Refers specifically to the shark species Carcharhinus longimanus. Often used in diving and marine contexts.
See also: ヨゴレザメ (よごれざめ) · オーシャニックホワイトティップシャーク
The diver encountered an oceanic whitetip shark.
get dirty; become dirty · become sullied; become corrupted; lose chastity
oceanic whitetip shark
Katakana spelling is the most common written form for this shark species.
Kanji form is rarely used; the katakana spelling is strongly preferred.
The name likely derives from 汚れ (dirt, stain), possibly referring to the shark's mottled appearance, but the exact origin is uncertain.