image WHAT'S NEW: What is new in the Freshwater Fishes of Mexico.

New additions to the Freshwater Fishes of Mexico for the past three months, you can as well consult older additions by following the links in the lower part of the page


What is new?


image04-Nov-2022
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New species profile:
Xenodexia ctenolepis Hubbs, 1950 (Juan Miguel Artigas Azas)

image01-Nov-2022
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Updated species profile for:
Xenodexia ctenolepis Hubbs, 1950 (Juan Miguel Artigas Azas)

New genus profile:
Xenodexia Hubbs, 1950 (Juan Miguel Artigas Azas)

New fish pictures:

image28-Oct-2022
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Updated species profile for:

New fish pictures:

image26-Oct-2022
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New fish pictures:

image25-Oct-2022
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Updated species profile for:
Agosia chrysogaster Girard, 1856 (Juan Miguel Artigas Azas)

image24-Oct-2022
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Updated species profile for:
Allodontichthys zonistius Hubbs, 1932 (Juan Miguel Artigas Azas)

New genus profile:
Vieja Fernández Yépez, 1969 (Juan Miguel Artigas Azas)

image14-Oct-2022
New fish videos:
Moxostoma austrinum, Group at La Luz (Juan Miguel Artigas Azas)

image13-Oct-2022
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Updated species profile for:

image12-Oct-2022
New fish videos:
Goodea atripinnis, Group at La Luz (Juan Miguel Artigas Azas)

image09-Oct-2022
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Updated species profile for:

image05-Oct-2022
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New fish pictures:

image27-Sep-2022
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Updated species profile for:
Gambusia sexradiata (Hubbs, 1936) (Juan Miguel Artigas Azas)

image01-Sep-2022
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Updated species profile for:
Poecilia latipunctata Meek, 1904 (Juan Miguel Artigas Azas)

image31-Aug-2022
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Updated species profile for:
Poecilia formosa (Girard, 1859) (Juan Miguel Artigas Azas)

New fish pictures:


image29-Aug-2022

image28-Aug-2022
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New fish pictures:

image23-Aug-2022
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New fish pictures:
Etheostoma grahami, Male at Ramos River (Manuel Salazar González)
Etheostoma grahami, Male at Ramos River (Manuel Salazar González)

image21-Aug-2022
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Updated species profile for:
Poecilia orri Fowler, 1943 (Juan Miguel Artigas Azas)

image20-Aug-2022
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Updated species profile for:
Poecilia catemaconis Miller, 1975 (Juan Miguel Artigas Azas)

image19-Aug-2022
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New fish pictures:

image18-Aug-2022
New article:
Articles: Ameca splendens, the butterfly splitfin (Juan Miguel Artigas Azas)

Ameca splendens is a goodeinae endemic to highland areas or the Jalisco state of Mexico, where currently only two small populations are known. The conservation status of this species is in critical situation. In this article I write bout the taxonomy, habitat and distribution, natural history, conservation status and aquarium keeping of this popular species


Updated species profile for:
Poecilia mexicana Steindachner, 1863 (Juan Miguel Artigas Azas)

image12-Aug-2022
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New fish pictures:

image21-Jul-2022
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New fish pictures:

image18-Jul-2022
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New fish pictures:

New habitat pictures:
Matehuala: Moctezuma spring, Ojo de Agua (Juan Miguel Artigas Azas)
Matehuala: Moctezuma spring, Ojo de Agua (Juan Miguel Artigas Azas)

image15-Jul-2022
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New fish pictures:
Oscura heterospila, Male in Rio Subin (Juan Miguel Artigas Azas)

image14-Jul-2022
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New fish pictures:
Gobiomorus dormitor, Adult ambushing (Juan Miguel Artigas Azas)

image13-Jul-2022
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New fish pictures:

image02-Jul-2022
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New fish pictures:
Vieja breidohri, Female feeding fry (Juan Miguel Artigas Azas)

image24-Jun-2022
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Updated habitat profile for:
Ameca Balneario El Rincón [Jalisco] (Juan Miguel Artigas Azas)

image23-Jun-2022
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Updated species profile for:
Lophogobius cyprinoides (Pallas, 1770) (Juan Miguel Artigas Azas)

image22-Jun-2022
New habitat pictures:

image21-Jun-2022
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New fish pictures:

image20-Jun-2022
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New fish pictures:

image19-Jun-2022
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New fish pictures:

image18-Jun-2022
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New fish pictures:

Updated habitat profile for:
Coahuayana Presa La Gringa [Jalisco] (Juan Miguel Artigas Azas)

New habitat pictures:

image17-Jun-2022
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Updated species profile for:
Algansea aphanea Barbour & Miller, 1978 (Juan Miguel Artigas Azas)

New habitat pictures:
Coahuayana: La Garita, Rio Tamazula (Juan Miguel Artigas Azas)
Coahuayana: La Garita, Rio Tamazula (Juan Miguel Artigas Azas)

image16-Jun-2022
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New fish pictures:
Algansea aphanea, Adult in Rio Terrero (Juan Miguel Artigas Azas)
Poecilia butleri, Female in Rio Terrero (Juan Miguel Artigas Azas)

Updated habitat profile for:
Coahuayana Rio Terrero [Jalisco] (Juan Miguel Artigas Azas)

New habitat pictures:
Coahuayana: Rio Terrero, Rio Terrero (Juan Miguel Artigas Azas)
Coahuayana: Rio Terrero, Rio Terrero (Juan Miguel Artigas Azas)
Coahuayana: Rio Terrero, Rio Terrero (Juan Miguel Artigas Azas)

image15-Jun-2022
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New fish pictures:

New habitat pictures:
Coahuayana: El Salado, Rio El Salado (Juan Miguel Artigas Azas)
Coahuayana: El Salado, Rio Salado (Juan Miguel Artigas Azas)
Coahuayana: El Salado, Rio Salado (Juan Miguel Artigas Azas)

image14-Jun-2022
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New fish pictures:
Poecilia chica, Freshly collected female (Juan Miguel Artigas Azas)

New habitat pictures:
Purificación: La Resolana, Rio Tecolote (Juan Miguel Artigas Azas)
Purificación: La Resolana, Rio Tecolote (Juan Miguel Artigas Azas)

image13-Jun-2022
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New fish pictures:

New habitat pictures:

image12-Jun-2022
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New fish pictures:

Updated habitat profile for:
Armeria Arroyo Ahuacapán [Jalisco] (Juan Miguel Artigas Azas)

New habitat pictures:

image11-Jun-2022
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New fish pictures:

New habitat pictures:

image10-Jun-2022
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New fish pictures:
Poecilia chica, Freshly collected female (Juan Miguel Artigas Azas)
Poecilia chica, Freshly collected male (Juan Miguel Artigas Azas)
Poecilia chica, Freshly collected female (Juan Miguel Artigas Azas)
Poecilia chica, Freshly collected female (Juan Miguel Artigas Azas)
Poecilia chica, Freshly collected female (Juan Miguel Artigas Azas)

Updated habitat profile for:
Purificación La Huerta [Jalisco] (Juan Miguel Artigas Azas)

New habitat pictures:

image09-Jun-2022
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New fish pictures:

New habitat pictures:
Tomatlán: Tomatlán, Rio Tomatlán (Juan Miguel Artigas Azas)

image08-Jun-2022
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New fish pictures:
Eleotris picta, Freshly collected adult (Juan Miguel Artigas Azas)

Updated habitat profile for:
Ameca Rio Mascota [Jalisco] (Juan Miguel Artigas Azas)

New habitat pictures:

image07-Jun-2022
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New fish pictures:

New habitat pictures:

image06-Jun-2022
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Updated habitat profile for:
Huicicila Compostela [Nayarit] (Juan Miguel Artigas Azas)

New fish pictures:
Xenotoca eiseni, Freshly collected male (Juan Miguel Artigas Azas)

New habitat pictures:
Huicicila: Compostela, Arroyo Asalto (Juan Miguel Artigas Azas)
Huicicila: Compostela, Arroyo Asalto (Juan Miguel Artigas Azas)

image05-Jun-2022
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Updated habitat profile for:
Santiago Puente El Chilte [Nayarit] (Juan Miguel Artigas Azas)

New fish pictures:

New habitat pictures:

image04-Jun-2022
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Updated habitat profile for:
Santiago Colonia 6 de Enero [Nayarit] (Juan Miguel Artigas Azas)

New fish pictures:
Poecilia butleri, Freshly collected male (Juan Miguel Artigas Azas)

New habitat pictures:

image03-Jun-2022
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Updated species profile for:
Sicydium salvini Ogilvie-Grant, 1884 (Juan Miguel Artigas Azas)

New fish pictures:

image02-Jun-2022
Updated species profile for:

image01-Jun-2022
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Updated species profile for:
Gobiesox mexicanus Briggs & Miller, 1960 (Juan Miguel Artigas Azas)

image31-May-2022
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New fish pictures:

image30-May-2022
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New fish pictures:

image29-May-2022
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New fish pictures:
Poeciliopsis gracilis, Pair at El Tejón (Manuel Salazar González)

image28-May-2022
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New fish pictures:

image27-May-2022
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New fish pictures:
Poecilia butleri, Male courting female (Juan Miguel Artigas Azas)
Poecilia butleri, Male courting female (Juan Miguel Artigas Azas)

New habitat pictures:

image25-May-2022
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New fish pictures:

New habitat pictures:

image15-May-2022
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New fish pictures:
Poecilia butleri, Male courting female (Juan Miguel Artigas Azas)

image14-May-2022
New habitat pictures:

image12-May-2022
New habitat pictures:

image06-May-2022
Updated species profile for:

image05-May-2022
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New genus profile:
Xenotaenia Turner, 1946 (Juan Miguel Artigas Azas)

image04-May-2022
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Updated species profile for:
Xenotaenia resolanae Turner, 1946 (Juan Miguel Artigas Azas)

image03-May-2022
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New genus profile:
Xenotoca Hubbs & Turner, 1939 (Juan Miguel Artigas Azas)

image02-May-2022
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Updated species profile for:
Xenotoca melanosoma Fitzsimons, 1972 (Juan Miguel Artigas Azas)

image01-May-2022
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Updated species profile for:

image30-Apr-2022
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Updated species profile for:

image29-Apr-2022
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Updated species profile for:
Xenotoca eiseni (Rutter, 1896) (Juan Miguel Artigas Azas)

image28-Apr-2022
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New fish pictures:

image27-Apr-2022
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Updated species profile for:

image26-Apr-2022
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New fish pictures:


image24-Apr-2022

image22-Apr-2022
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Updated species profile for:
Poeciliopsis turneri Miller, 1975 (Juan Miguel Artigas Azas)

image21-Apr-2022
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Updated species profile for:
Mayaheros urophthalmus (Günther, 1862) (Juan Miguel Artigas Azas)

image19-Apr-2022
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Updated species profile for:
Poecilia chica Miller, 1975 (Juan Miguel Artigas Azas)

image18-Apr-2022
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New genus profile:
Heterophallus Regan, 1914 (Juan Miguel Artigas Azas)

image17-Apr-2022
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New species profile:

image11-Apr-2022
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New fish pictures:

image09-Apr-2022
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Updated species profile for:
Heterophallus rachovii Regan, 1914 (Juan Miguel Artigas Azas)

image31-Mar-2022
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Updated species profile for:
Heterophallus milleri Radda, 1987 (Juan Miguel Artigas Azas)


image29-Mar-2022
Updated species profile for:

image28-Mar-2022
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Updated habitat profile for:
Papaloapan Lake Catemaco [Veracruz] (Juan Miguel Artigas Azas)

image25-Mar-2022
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Updated species profile for:

image17-Mar-2022
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Updated species profile for:

image12-Mar-2022
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Updated species profile for:

image06-Mar-2022

image05-Mar-2022
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New fish pictures:

image04-Mar-2022
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Updated habitat profile for:

New fish pictures:

New habitat pictures:

image03-Mar-2022
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New fish pictures:
Astyanax aeneus, Freshly collected adult (Juan Miguel Artigas Azas)

New habitat pictures:
Huehuetán: Doña Maria, Doña María (Juan Miguel Artigas Azas)

image02-Mar-2022
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New fish pictures:

image28-Feb-2022
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New fish pictures:

New habitat pictures:

image13-Feb-2022
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Updated species profile for:
Xenotoca variata (Bean, 1887) (Juan Miguel Artigas Azas)

image01-Feb-2022

image30-Jan-2022
Updated species profile for:

image29-Jan-2022
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Updated species profile for:
Poeciliopsis gracilis (Heckel, 1848) (Juan Miguel Artigas Azas)

image28-Jan-2022
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Updated species profile for:
Poeciliopsis fasciata (Meek, 1904) (Juan Miguel Artigas Azas)

image27-Jan-2022
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Updated species profile for:

New fish pictures:
Strongylura notata, Group in Casa Cenote (Juan Miguel Artigas Azas)

image26-Jan-2022
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Updated species profile for:

New fish pictures:

image25-Jan-2022
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New fish pictures:

image24-Jan-2022
Updated species profile for:

New fish pictures:

image23-Jan-2022
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Updated species profile for:
Poeciliopsis viriosa Miller, 1960 (Juan Miguel Artigas Azas)

image22-Jan-2022
Updated species profile for:
Profundulus balsanus Ahl, 1935 (Juan Miguel Artigas Azas)

New fish pictures:
Gambusia regani, Female at Tambaque (Juan Miguel Artigas Azas)

image21-Jan-2022
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Updated species profile for:
Profundulus punctatus (Günther, 1866) (Juan Miguel Artigas Azas)

New fish pictures:

image20-Jan-2022
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Updated genus profile:
Skiffia Meek, 1902 (Juan Miguel Artigas Azas)

New fish pictures:

image19-Jan-2022
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Updated species profile for:
Gymnotus maculosus Albert & Miller, 1995 (Juan Miguel Artigas Azas)

New fish pictures:

image18-Jan-2022
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Updated species profile for:
Neotoca bilineata (Bean, 1887) (Juan Miguel Artigas Azas)

Updated genus profile:
Neotoca Hubbs & Turner, 1939, 1939 (Juan Miguel Artigas Azas)

New fish pictures:

image17-Jan-2022


image15-Jan-2022
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Updated habitat profile for:

Updated species profile for:

New habitat pictures:

image14-Jan-2022
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New fish pictures:

image13-Jan-2022
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Updated species profile for:
Poecilia orri Fowler, 1943 (Juan Miguel Artigas Azas)

Updated genus profile:
Poecilia Bloch & Schneider, 1801 (Juan Miguel Artigas Azas)

New fish pictures:

image12-Jan-2022
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Updated species profile for:
Skiffia multipunctata (Pellegrin, 1901) (Juan Miguel Artigas Azas)

New fish pictures:

image11-Jan-2022
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Updated species profile for:
Skiffia francesae Kingston, 1978 (Juan Miguel Artigas Azas)

New fish pictures:

image10-Jan-2022
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Updated genus profile:
Allodontichthys Hubbs & Turner, 1939 (Juan Miguel Artigas Azas)

New fish pictures:

New habitat pictures:

image09-Jan-2022
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Updated species profile for:
Roeboides bouchellei Fowler, 1923 (Juan Miguel Artigas Azas)

New fish pictures:


image07-Jan-2022
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Updated species profile for:

New fish pictures:

New habitat pictures:

image06-Jan-2022
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Updated genus profile:
Xiphophorus Heckel, 1848 (Juan Miguel Artigas Azas)

New fish pictures:


image04-Jan-2022
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Updated genus profile:
Thorichthys Meek, 1904 (Juan Miguel Artigas Azas)

image03-Jan-2022
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New fish pictures:

image01-Jan-2022
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Updated species profile for:

image31-Dec-2021
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Updated habitat profile for:

Updated species profile for:
Xiphophorus nigrensis (Rosen, 1960) (Juan Miguel Artigas Azas)

image30-Dec-2021
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Updated species profile for:

image29-Dec-2021
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Updated species profile for:

image28-Dec-2021
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Updated species profile for:

image27-Dec-2021
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New fish pictures:

image25-Dec-2021
Updated species profile for:

image23-Dec-2021
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Updated species profile for:
Xiphophorus milleri Rosen, 1960 (Juan Miguel Artigas Azas)

image19-Dec-2021
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Updated species profile for:

New fish pictures:

image18-Dec-2021
New species profile:

New fish pictures:
Ameca splendens, Male in the aquarium (Juan Miguel Artigas Azas)

image17-Dec-2021
New species profile:

Updated species profile for:

image16-Dec-2021
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Updated species profile for:

image14-Dec-2021
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Updated species profile for:

New fish pictures:

image13-Dec-2021
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Updated species profile for:
Xiphophorus hellerii Heckel, 1848 (Juan Miguel Artigas Azas)

New fish pictures:

image12-Dec-2021
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Updated species profile for:
Xiphophorus evelynae (Rosen, 1960) (Juan Miguel Artigas Azas)

image11-Dec-2021
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Updated species profile for:
Xiphophorus couchianus (Girard, 1859) (Juan Miguel Artigas Azas)

image10-Dec-2021
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Updated species profile for:
Xiphophorus cortezi (Rosen, 1960) (Juan Miguel Artigas Azas)

image09-Dec-2021
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Updated species profile for:
Xiphophorus clemenciae Alvarez, 1959 (Juan Miguel Artigas Azas)

image08-Dec-2021
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Updated species profile for:

image07-Dec-2021
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Updated species profile for:

image06-Dec-2021
Updated species profile for:
Xiphophorus alvarezi (Rosen, 1960) (Juan Miguel Artigas Azas)
Thorichthys pasionis (Rivas, 1962) (Juan Miguel Artigas Azas)

image04-Dec-2021
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Updated species profile for:
Skiffia lermae Meek, 1902 (Juan Miguel Artigas Azas)

image03-Dec-2021
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Updated species profile for:
Anableps dowii Gill, 1861 (Juan Miguel Artigas Azas)

image02-Dec-2021
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Updated species profile for:

image01-Dec-2021
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Updated species profile for:
Eleotris picta Kner, 1863 (Juan Miguel Artigas Azas)

New fish pictures:

image30-Nov-2021
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Updated species profile for:

New fish pictures:

image29-Nov-2021
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Updated species profile for:
Xiphophorus maculatus (Günther, 1866) (Juan Miguel Artigas Azas)

Updated genus profile:
Belonesox Kner, 1860 (Juan Miguel Artigas Azas)

New fish pictures:

image28-Nov-2021
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Updated species profile for:
Belonesox belizanus Kner, 1860 (Juan Miguel Artigas Azas)

image26-Nov-2021
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New fish pictures:


image24-Nov-2021
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Updated species profile for:
Xiphophorus variatus (Meek, 1904) (Juan Miguel Artigas Azas)

New fish pictures:

image23-Nov-2021
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New fish pictures:

New habitat pictures:

image22-Nov-2021

image20-Nov-2021
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Updated species profile for:
Priapella compressa Alvarez, 1948 (Juan Miguel Artigas Azas)

New fish pictures:

image18-Nov-2021
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New fish pictures:
Xiphophorus multilineatus, Dominant male (Juan Miguel Artigas Azas)

image16-Nov-2021
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Updated species profile for:
Aztecula sallaei (Günther, 1868) (Juan Miguel Artigas Azas)

image05-Nov-2021
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New fish pictures:
Rheoheros lentiginosus, Female with fry (Juan Miguel Artigas Azas)
Thorichthys meeki, Female with fry (Juan Miguel Artigas Azas)

image04-Nov-2021
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New fish pictures:

image03-Nov-2021
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New fish pictures:
Dionda melanops, Adults in Sabinas River (Juan Miguel Artigas Azas)

New habitat pictures:
Grande: San Juan River, San Juan River (Juan Miguel Artigas Azas)

image26-Oct-2021

image25-Oct-2021
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A new species of Profundulus is described from Oaxaca

A new species of killifish in the genus Profundulus has been described in the journal Ichthyology & Herpetology 109(4):949–957 2021 by Sara E Dominguez-Cisneros, Ernesto Velázquez-Velázquez, Caleb D. McMahan, and Wilfredo A. Matamoros. The ... more


image13-Oct-2021
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Updated species profile for:
Poecilia velifera (Regan, 1914) (Juan Miguel Artigas Azas)
Poecilia petenensis (Günther, 1866) (Juan Miguel Artigas Azas)

New fish pictures:

New habitat pictures:

image12-Oct-2021
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New fish pictures:

image09-Oct-2021
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Updated species profile for:
Allodontichthys tamazulae Turner, 1946 (Juan Miguel Artigas Azas)

image07-Oct-2021
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Updated species profile for:

image04-Oct-2021
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Updated species profile for:

image01-Oct-2021
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New species profile:

image30-Sep-2021
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Updated genus profile:
Ameca Miller & Fitzsimons, 1971 (Juan Miguel Artigas Azas)


image28-Sep-2021
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New fish pictures:
Xenotoca lyonsi, Female from Tamazula (Juan Miguel Artigas Azas)

image26-Sep-2021
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New fish pictures:
Hybopsis amecae, Adult at Teuchitlán (Juan Miguel Artigas Azas)
Hybopsis amecae, Adult at Teuchitlán (Juan Miguel Artigas Azas)
Hybopsis amecae, Adult at Teuchitlán (Juan Miguel Artigas Azas)

image23-Sep-2021
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New fish pictures:





image18-Sep-2021
New habitat pictures:
Cuitzeo: Lake Cuitzeo, Lake Cuitzeo (Juan Miguel Artigas Azas)

image17-Sep-2021
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New fish pictures:

image16-Sep-2021

image15-Sep-2021
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Updated genus profile:
Flexipenis Turner, 1963 (Juan Miguel Artigas Azas)

New habitat pictures:

image14-Sep-2021
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Updated genus profile:
Neoophorus Hubbs & Turner, 1939 (Juan Miguel Artigas Azas)

New fish pictures:
Allotoca diazi, Freshly collected male (Juan Miguel Artigas Azas)
Allotoca diazi, Freshly collected female (Juan Miguel Artigas Azas)
Allotoca diazi, Freshly collected male (Juan Miguel Artigas Azas)

image13-Sep-2021
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New fish pictures:
Skiffia lermae, Freshly collected male (Juan Miguel Artigas Azas)
Skiffia lermae, Freshly collected female (Juan Miguel Artigas Azas)


image09-Sep-2021
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New fish pictures:
Ameca splendens, Male at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)
Moxostoma austrinum, Group at La Luz (Juan Miguel Artigas Azas)

image08-Sep-2021
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New fish pictures:
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Male at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)

image07-Sep-2021
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New fish pictures:

image06-Sep-2021
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New fish pictures:

New habitat pictures:

image05-Sep-2021
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New fish pictures:
Skiffia lermae, Freshly collected male (Juan Miguel Artigas Azas)
Skiffia lermae, Freshly collected female (Juan Miguel Artigas Azas)

New habitat pictures:
Pátzcuaro: Lake Patzcuaro, Janitzio (Juan Miguel Artigas Azas)

image04-Sep-2021
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New fish pictures:

New habitat pictures:
Cuitzeo: La Mintzita, La Mintzita spring (Juan Miguel Artigas Azas)
Cuitzeo: La Mintzita, La Mintzita spring (Juan Miguel Artigas Azas)


image02-Sep-2021
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New fish pictures:

image01-Sep-2021
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New fish pictures:

image31-Aug-2021
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Updated habitat profile for:
Lerma-Chapala Lake Zacapu [Michoacán] (Juan Miguel Artigas Azas)

image30-Aug-2021
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New fish pictures:

image29-Aug-2021
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New fish pictures:
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Male at La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Group in La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at La Luz (Juan Miguel Artigas Azas)

image28-Aug-2021
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New fish pictures:
Skiffia multipunctata, Male at La Luz (Juan Miguel Artigas Azas)
Skiffia multipunctata, Group at La Luz (Juan Miguel Artigas Azas)
Skiffia multipunctata, Male at La Luz (Juan Miguel Artigas Azas)
Skiffia multipunctata, Male at La Luz (Juan Miguel Artigas Azas)
Skiffia multipunctata, Group at La Luz (Juan Miguel Artigas Azas)
Skiffia multipunctata, Male at La Luz (Juan Miguel Artigas Azas)

image27-Aug-2021
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New fish pictures:
Moxostoma austrinum, Adult at La Luz (Juan Miguel Artigas Azas)
Moxostoma austrinum, Adult at La Luz (Juan Miguel Artigas Azas)
Moxostoma austrinum, Adult at La Luz (Juan Miguel Artigas Azas)
Moxostoma austrinum, Adult at La Luz (Juan Miguel Artigas Azas)
Moxostoma austrinum, Adult at La Luz (Juan Miguel Artigas Azas)
Moxostoma austrinum, Group at La Luz (Juan Miguel Artigas Azas)

image26-Aug-2021
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New fish pictures:
Alloophorus robustus, Female at La Luz (Juan Miguel Artigas Azas)
Alloophorus robustus, Female at La Luz (Juan Miguel Artigas Azas)
Alloophorus robustus, Female at La Luz (Juan Miguel Artigas Azas)
Alloophorus robustus, Male at La Luz (Juan Miguel Artigas Azas)
Alloophorus robustus, Large old female (Juan Miguel Artigas Azas)
Alloophorus robustus, Juvenile at La Luz (Juan Miguel Artigas Azas)
Alloophorus robustus, Male at La Luz (Juan Miguel Artigas Azas)

image25-Aug-2021
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New fish pictures:
Ameca splendens, Male at Teuchitlán (Juan Miguel Artigas Azas)

image24-Aug-2021
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New fish pictures:

image23-Aug-2021
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New fish pictures:

image22-Aug-2021
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New fish pictures:

New habitat pictures:
Balsas: San Juanico, View of La Laguna (Juan Miguel Artigas Azas)

image21-Aug-2021
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New fish pictures:

New habitat pictures:

image20-Aug-2021
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New fish pictures:
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Male at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)
Goodea atripinnis, Female at Teuchitlán (Juan Miguel Artigas Azas)

New habitat pictures:
Lerma-Chapala: La Luz, La Luz (Juan Miguel Artigas Azas)
Lerma-Chapala: La Luz, La Luz (Juan Miguel Artigas Azas)
Lerma-Chapala: La Luz, La Luz (Juan Miguel Artigas Azas)
Lerma-Chapala: La Luz, La Luz (Juan Miguel Artigas Azas)
Lerma-Chapala: La Luz, La Luz (Juan Miguel Artigas Azas)

image19-Aug-2021
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New fish pictures:
Ameca splendens, Female at Teuchitlán (Juan Miguel Artigas Azas)
Ameca splendens, Male at Teuchitlán (Juan Miguel Artigas Azas)
Ameca splendens, Female at Teuchitlán (Juan Miguel Artigas Azas)

image18-Aug-2021
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New fish pictures:
Poecilia mexicana, Female at Teuchitlán (Juan Miguel Artigas Azas)
Poecilia mexicana, Group at Teuchitlán (Juan Miguel Artigas Azas)

image17-Aug-2021
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New fish pictures:
Ameca splendens, Male at Teuchitlán (Juan Miguel Artigas Azas)
Ameca splendens, Male feeding off rock (Juan Miguel Artigas Azas)

image06-Aug-2021
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New fish pictures:
Herichthys pantostictus, Female with fry (Juan Miguel Artigas Azas)

image19-Jul-2021
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New fish pictures:

image17-Jul-2021

image18-May-2021
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New fish pictures:
Garmanella pulchra, Female (Manuel Salazar González)

image17-May-2021
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New fish pictures:
Poecilia velifera, Male in display (Manuel Salazar González)

image16-May-2021
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New fish pictures:
Xiphophorus montezumae, Male at Tamasopo (Manuel Salazar González)
Xiphophorus montezumae, Male at Tamasopo (Manuel Salazar González)

image15-May-2021


image13-May-2021
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New fish pictures:
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)
Vieja fenestrata, Pair with wrigglers (Juan Miguel Artigas Azas)

image12-May-2021
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New fish pictures:
Vieja fenestrata, Spawn (Juan Miguel Artigas Azas)
Vieja fenestrata, Female guarding spawn (Juan Miguel Artigas Azas)
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)

image11-May-2021

image10-May-2021
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New fish pictures:

image09-May-2021
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New fish pictures:

image08-May-2021
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New fish pictures:
Xiphophorus hellerii, Male at Motzorongo (Manuel Salazar González)
Xiphophorus hellerii, Pair feeding (Manuel Salazar González)

image07-May-2021
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New fish pictures:

image06-May-2021
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New fish pictures:

image05-May-2021


image03-May-2021
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New fish pictures:

image02-May-2021

image01-May-2021
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New fish pictures:
Vieja fenestrata, Female guarding eggs (Juan Miguel Artigas Azas)

image30-Apr-2021
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New fish pictures:
Thorichthys maculipinnis, Pair with fry (Juan Miguel Artigas Azas)
Thorichthys maculipinnis, Pair with fry (Juan Miguel Artigas Azas)

image29-Apr-2021
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New fish pictures:
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)

image28-Apr-2021


image26-Apr-2021
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New fish pictures:
Vieja fenestrata, Pair with fry (Juan Miguel Artigas Azas)
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)
Thorichthys maculipinnis, Pair with fry (Juan Miguel Artigas Azas)
Vieja fenestrata, Male with fry (Manuel Salazar González)
Vieja fenestrata, Female with fry (Manuel Salazar González)

image25-Apr-2021
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New fish pictures:
Vieja fenestrata, Female with fry (Juan Miguel Artigas Azas)

New habitat pictures:
Papaloapan: Obispo River, Obispo River (Juan Miguel Artigas Azas)
La Palma: La Palma River, La Palma river (Juan Miguel Artigas Azas)

image24-Apr-2021
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New fish pictures:
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Acatlan (Manuel Salazar González)

image23-Apr-2021
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New fish pictures:
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)


image21-Apr-2021
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New fish pictures:
Poecilia mexicana, Female at Motzorongo (Juan Miguel Artigas Azas)
Poecilia mexicana, Female at Motzorongo (Juan Miguel Artigas Azas)

image20-Apr-2021
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New fish pictures:
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)

image19-Apr-2021
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New fish pictures:

image18-Apr-2021
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New fish pictures:
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)

image17-Apr-2021
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New fish pictures:
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)
Xiphophorus hellerii, Male at Motzorongo (Juan Miguel Artigas Azas)

image16-Apr-2021
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New fish pictures:

image13-Apr-2021
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New fish pictures:


image01-Apr-2021
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New fish pictures:

image02-Mar-2021
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New fish pictures:

image28-Feb-2021
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New fish pictures:
Rivulus tenuis, Freshly collected male (Juan Miguel Artigas Azas)
Rivulus tenuis, Freshly collected female (Juan Miguel Artigas Azas)


image03-Feb-2021
New graphic:
Illustration: Astyanax angustifrons, Lectotype (anynomous )