Crenicichla hummelincki

Crenicichla hummelincki is a species of cichlid native to South America. It is found in the upper Trombetas River basin of the Amazon River basin in Brazil. This species reaches a length of 10.8 cm.

The fish is named in honor of zoologist Pieter Wagenaar Hummelinck (1907-2003), the founder of the Foundation for Scientific Research in Suriname and the Netherlands Antilles, on the occasion of his 83rd birthday.