Abstract
The genus Apistogramma currently comprises 83 species of small fish known as dwarf cichlids, distributed only in the cis-Andean basins of South America. The Steindachneri species group has their current distribution in Suriname (Coesewjine, Suriname, Sipaliwini, Kabalebo rivers), Guiana (Essequibo, Mazaruni, Rupununi and Berbice rivers), Brazil (Takutu, Ireng, Contigo, Uatumã, Urubu, Negr…