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: