English Fish jaw Cited by user Chris Capoccia on 14 Sep 2021 Most bony fishes have two sets of jaws made mainly of bone. The primary oral jaws open and close the mouth, and a second set of pharyngeal jaws are positioned at the…
English Chaetobranchini Cited by user Hqb on 17 Mar 2020 Chaetobranchini is a tribe of the subfamily Cichlinae, the American cichlids. They are distributed from the river basin of the Orinoco and the Guianas south to the…