pelican eel
A deep-sea fish (Eurypharynx pelecanoides) known for its large, pelican-like mouth. The name is usually written in katakana.
In the deep sea, there is a fish called the pelican eel that has a large mouth.
Katakana spelling is common for this deep-sea fish name; usually written in kana.
Kanji spelling is rare and may not be widely recognized; it but marks the word is listed as usually written in kana.
The name represents 袋鰻, “pouch eel,” referring to the fish’s exceptionally large, pouchlike mouth.