The Collaborative International Dictionary of English v.0.48:
Gossat \Gos"sat\, n. (Zool.) A small British marine fish (Motella tricirrata); -- called also whistler and three-bearded rockling. [Prov. Eng.] [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Whistlefish \Whis"tle*fish`\, n. (Zool.) A gossat, or rockling; -- called also whistler, three-bearded rockling, sea loach, and sorghe. [1913 Webster]