The Freshwater Fishes of Mexico

RSSUPDATES: List of the recent updates in the species catalog.


04-Aug-2020, Picture: Herichthys steindachneri, Adult in the aquarium, (Morrell Devlin)
04-Aug-2020, Picture: Herichthys steindachneri, Adult in the aquarium, (Morrell Devlin)
04-Aug-2020, Picture: Herichthys steindachneri, Adult in the aquarium, (Morrell Devlin)
04-Aug-2020, Picture: Herichthys steindachneri, Adult in the aquarium, (Morrell Devlin)
03-Aug-2020, Picture: Chirostoma attenuatum, Holotype, (anynomous )
02-Aug-2020, Species profile: Maskaheros argenteus (Allgayer, 1991) (Juan Miguel Artigas Azas)
26-Jul-2020, Picture: Atherinella lisa, Holotype, (anynomous )
09-Jul-2020, Picture: Gambusia eurystoma, Freshly collected male, (Michi Tobler)
09-Jul-2020, Picture: Gambusia eurystoma, Freshly collected female, (Michi Tobler)
06-Jul-2020, Species profile: Parachromis multifasciatum (Regan, 1905) (Juan Miguel Artigas Azas)
06-Jul-2020, Picture: Batrachoides goldmani, Adult in aquarium, (Michi Tobler)
06-Jul-2020, Picture: Gambusia sexradiata, Male in the aquarium, (Michi Tobler)
06-Jul-2020, Picture: Gambusia sexradiata, Female in the aquarium, (Michi Tobler)
12-Jun-2020, Species profile: Cincelichthys ufermanni (Allgayer, 2002) (Juan Miguel Artigas Azas)
07-Jun-2020, Picture: Xiphophorus pygmaeus, Male at Tancuilin, (Juan Miguel Artigas Azas)
07-Jun-2020, Picture: Xiphophorus pygmaeus, Female at Tancuilin, (Juan Miguel Artigas Azas)
07-Jun-2020, Picture: Xiphophorus pygmaeus, Female at Tancuilin, (Juan Miguel Artigas Azas)
07-Jun-2020, Picture: Gambusia vittata, Male at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Male and females at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Female at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Male courting female at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Female at Tancuilin, (Juan Miguel Artigas Azas)
06-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
05-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
05-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
05-Jun-2020, Picture: Xiphophorus cortezi, Female at Tancuilin, (Juan Miguel Artigas Azas)
05-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
05-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
05-Jun-2020, Picture: Xiphophorus cortezi, Male at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Male and female at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Females at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Female at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Female with crested tail, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Male and female at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Female at Tancuilin, (Juan Miguel Artigas Azas)
04-Jun-2020, Picture: Xiphophorus variatus, Female at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male and female at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male and female at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Gold male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
03-Jun-2020, Picture: Xiphophorus variatus, Male at Tancuilin, (Juan Miguel Artigas Azas)
15-Apr-2020, Species profile: Cincelichthys pearsei (Hubbs, 1936) (Juan Miguel Artigas Azas)
14-Apr-2020, Genus profile: Cincelichthys McMahan & Piller, 2015 (Juan Miguel Artigas Azas)
13-Apr-2020, Genus profile: Kihnichthys McMahan & Matamoros, 2015 (Juan Miguel Artigas Azas)
08-Apr-2020, Species profile: Vieja zonata (Meek, 1905) (Juan Miguel Artigas Azas)
29-Mar-2020, Picture: Poecilia mexicana, Group a Puente de Dios, (Juan Miguel Artigas Azas)
28-Mar-2020, Picture: Herichthys pame, Adult at Puente de Dios, (Juan Miguel Artigas Azas)
28-Mar-2020, Picture: Herichthys pame, Breeding pair at Puente de Dios, (Juan Miguel Artigas Azas)
28-Mar-2020, Picture: Herichthys pame, Female guarding fry, (Juan Miguel Artigas Azas)
28-Mar-2020, Picture: Herichthys pame, Female guarding fry, (Juan Miguel Artigas Azas)
27-Mar-2020, Picture: Herichthys pame, Young adult at Puente de Dios, (Juan Miguel Artigas Azas)
27-Mar-2020, Picture: Herichthys pame, Adult at Puente de Dios, (Juan Miguel Artigas Herrera)
27-Mar-2020, Picture: Herichthys pame, Adult feeding at Puente de Dios, (Juan Miguel Artigas Azas)
27-Mar-2020, Picture: Herichthys pame, Adult at Puente de Dios, (Juan Miguel Artigas Azas)
11-Mar-2020, Picture: Xiphophorus montezumae, A group at Puente de Dios, (Juan Miguel Artigas Azas)
11-Mar-2020, Picture: Xiphophorus montezumae, A group at Puente de Dios, (Juan Miguel Artigas Azas)
11-Mar-2020, Picture: Xiphophorus montezumae, A group at Puente de Dios, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Males defending territories, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Female guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
10-Mar-2020, Picture: Herichthys tamasopoensis, Pair guarding fry, (Juan Miguel Artigas Azas)
21-Feb-2020, Species profile: Vieja hartwegi (Taylor & Miller, 1980) (Juan Miguel Artigas Azas)
11-Feb-2020, Picture: Ophisternon infernale, Adult in habitat, (Efrain Miguel Chávez Solis)
20-Dec-2019, Genus profile: Maskaheros McMahan & Piller, 2015 (Juan Miguel Artigas Azas)
19-Dec-2019, Species profile: Maskaheros regani (Miller, 1974) (Juan Miguel Artigas Azas)
16-Dec-2019, Species profile: Vieja fenestrata (Günther, 1860) (Juan Miguel Artigas Azas)
12-Dec-2019, Species profile: Oscura heterospila (Hubbs, 1936) (Juan Miguel Artigas Azas)
12-Dec-2019, Genus profile: Oscura McMahan & Chakrabarty, 2015 (Juan Miguel Artigas Azas)
29-Nov-2019, Picture: Cincelichthys ufermanni, Young adult in the aquarium, (Guensho Shimabukuro)
29-Nov-2019, Picture: Cincelichthys ufermanni, Frontal view of a young adult, (Guensho Shimabukuro)
29-Nov-2019, Picture: Cincelichthys ufermanni, Young adult in the aquarium, (Guensho Shimabukuro)
07-Jun-2019, Picture: Xiphophorus nigrensis, Male of the short sword morph, (Juan Miguel Artigas Azas)
05-Jun-2019, Picture: Herichthys pantostictus, Female with fry at Taninul spring, (Juan Miguel Artigas Azas)
05-Jun-2019, Picture: Herichthys pantostictus, Adult at Taninul spring, (Juan Miguel Artigas Azas)
05-Jun-2019, Picture: Herichthys carpintis, Young at Taninul spring, (Juan Miguel Artigas Azas)
05-Jun-2019, Picture: Herichthys pantostictus, Young at Taninul spring, (Juan Miguel Artigas Azas)
05-Jun-2019, Picture: Herichthys pantostictus, Young at Taninul spring, (Juan Miguel Artigas Azas)
05-Jun-2019, Picture: Herichthys pantostictus, Young at Taninul spring, (Juan Miguel Artigas Azas)
04-Jun-2019, Picture: Xiphophorus nigrensis, Male of the small morph, (Juan Miguel Artigas Azas)
04-Jun-2019, Picture: Xiphophorus nigrensis, Male of the small morph, (Juan Miguel Artigas Azas)
04-Jun-2019, Picture: Xiphophorus nigrensis, Male with females, (Juan Miguel Artigas Azas)