barreleye
nounEtymology From barrel + eye.
1
A small, deep-sea osmeriform fish of the family Opisthoproctidae, with barrel-shaped, tubular eyes which are generally directed upwards to detect the silhouettes of available prey.
- Synonyms
- spookfish
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.