noun
large-headed midnight fish; Poromitra crassiceps
A deep-sea fish species. The scientific name is Poromitra crassiceps. In Japanese, it is typically written in katakana as カブトウオ.
深海調査でカブトウオが採集された。
A large-headed midnight fish was collected during the deep-sea survey.
カブトウオは頭部が大きく、ずんぐりした体型をしている。
The large-headed midnight fish has a large head and a stout body.
noun
armored fish; armoured fish
General term for fish with bony plates or armor-like scales. Cross-referenced with 甲冑魚, which is a more common term for armored fish. This sense is less common and may be considered a variant or older usage.
See also: 甲冑魚
一部の文献では、カブトウオは甲冑魚の別名として扱われる。
In some references, カブトウオ is treated as another name for armored fish.
甲冑魚 is the more standard term for 'armored fish'. カブトウオ can be a synonym, but it is less common and may specifically refer to the large-headed midnight fish in modern usage.
Compound of 兜/冑 (kabuto, 'helmet') + 魚 (uo, 'fish'), referring to the helmet-like appearance of the fish's head or its armor-like scales. The exact derivation is uncertain; the name likely describes the fish's physical characteristics.