The Collaborative International Dictionary of English v.0.48:
Sculpin \Scul"pin\, n. [Written also skulpin.] (Zool.)
(a) Any one of numerous species of marine cottoid fishes of
the genus Cottus, or Acanthocottus, having a large
head armed with several sharp spines, and a broad mouth.
They are generally mottled with yellow, brown, and black.
Several species are found on the Atlantic coasts of
Europe and America.
(b) A large cottoid market fish of California
(Scorpaenichthys marmoratus); -- called also bighead,
cabezon, scorpion, salpa.
(c) The dragonet, or yellow sculpin, of Europe (Callionymus
Note: The name is also applied to other related California
Deep-water sculpin, the sea raven.