Home›Glossary›KGlossarykeelEdit this pageRidgelike structure located on the ventral surface, caudal peduncle or caudal fin base in certain fishes.Used in 35 species profilesAbramites hypselonotusAcanthicus adonisAcanthicus hystrixAlfaro cultratusBaryancistrus begginiCarinotetraodon borneensisAll 35 →