[f. BULL sb.1 + TROUT; the name probably refers to the large size of this species.] A fish of the Salmon tribe (Salmo eriox) of considerable size, found in some British rivers.
1653. Walton, Angler, 88. There is also in Northumberland, a Trout, called a Bull Trout, of a much greater length and bigness then any in these Southern parts.
1769. Pennant, Zool., III. 249. This species is in some places called the bull trout from the thickness and shortness of its head.
1799. J. Robertson, Agric. Perth, 461. Loch-Rannoch … has bull-trouts of 24 lb. weight.
1842. Proc. Berw. Nat. Club, II. 4. Specimens of the fry of both Bull-trout.
