a pair of #Neetroplus #nematopus guards their young in a small river in the foothills of Volcán Arenal, Costa Rica. Crazy colour change during breeding for this rheophile cichlid!

Diversity of #Cichlid #Fishes (Cichliformes: #Cichlidae) in #Chiapas, #Mexico: A practical identification key with updated distribution maps. #Rocio #Vieja #Paraneetroplus #Neetroplus #Vieja #Rheoheros #Amphilophus #Theraps #Thorichthys #Petenia
🔒