Crossword clue: a large aquatic american salamander of the genus necturus, having permanent external gills.

The most common answer is menobranch (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

menobranch 10 letters web-def

A large aquatic American salamander of the genus Necturus, having permanent external gills.

menobranchus 12 letters web-def

A large aquatic American salamander of the genus Necturus, having permanent external gills.