Genus Astyanax

 
 

Tetra

 
 

Tetra

 
 

Tetra

 
 

Sardina ciega - A blind cave fish, A.

 
 

Tetra

 
 

Mexican tetra - Growing to a maximum overall length of 12 cm , the Mexican tetra is of typical characin shape, with unremarkable, drab coloration.

 
 

Tetra

 
 

Tetra

 
 

Tetra

Order : Characiformes
Family : Characidae
Genus : Astyanax