Humpbacked salmon

Hump´backed` salm´on

1.A small salmon (Oncorhynchus gorbuscha) which ascends the rivers of the Pacific coast from California to Alaska, and also on the Asiatic side. In the breeding season the male has a large dorsal hump and distorted jaws.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Incredibly, and with little publicity, a pacific humpbacked salmon was caught on the Tweed by a Mr Louis, weighing 3lb 8oz.