sharpnose sevengill shark
A deep-water shark species (Heptranchias perlo). The name is usually written in katakana.
The sharpnose sevengill shark is a species of shark that lives in the deep sea.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare and mainly found in older or specialized texts.
The name combines 江戸 (Edo, old name for Tokyo) and 油鮫 (aburazame, a type of shark), but the exact derivation is uncertain.