Pseudotropheus sp. 'elongatus masimbwe'© photo by Ad Konings.
New species of Retroculus described — A new species of Retroculus from the high Rio Tocantins in the Brazilian Amazon basin has been described in the journal Zootaxa by Maria Isabel Landin, C.R. Moreira & C.A. Figueiredo from... more
Retroculus acherontos Landim, Moreira & Figueiredo, 2015, 2015 — by Juan Miguel Artigas Azas
Astatheros margaritifer (Günther, 1862), 1862 — by Rico Morgenstern
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