This is a fast flowing, clear river, about 5-6 meters wide with a sandy soil. Some big and small boulders, no plants, only bearded algae.

Fish:
Poecilia sphenops
Xiphophorus helliri
Poeciliopsis gracilis
Astyanax fasciatus mexicanus
Thorichthys callolepis
Thorichthys ellioti
Nandopsis salvini
Paratheraps guttulatum
Paraneetroplus bulleri
Vieja regani

fish description