''Axoclinus nigricaudus'', known commonly as the Cortez triplefin, is a species of
triplefin
Threefin or triplefin blennies are blenny, blenniiforms, small Percomorpha, percomorph marine fish of the family Tripterygiidae. Found in tropical and temperate waters of the Atlantic Ocean, Atlantic, Pacific Ocean, Pacific and Indian Oceans, the ...
blenny.
It occurs in the eastern Pacific in the western and north-eastern Gulf of California.
References
{{Taxonbar, from=Q2486597
nigricaudus
Fish described in 1991