spotless smooth-hound; Mustelus griseus
A species of houndshark found in the Northwest Pacific. The name is a specific biological term.
The spotless smooth-hound is a small shark found in the seas around Japan.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is uncommon; the word is usually written in kana.
Compound of 白 (しろ, 'white') and 鮫 (さめ, 'shark'), referring to its pale coloration. The exact derivation is uncertain.