JEWFISH
jewfish, Mycteroperca bonaci
(noun) large dark grouper with a thick head and rough scales
mulloway, jewfish, Sciaena antarctica
(noun) large important food fish of Australia; almost indistinguishable from the maigre
Source: WordNet® 3.1
Etymology
Noun
jewfish (plural jewfishes or jewfish)
Any of several fish species, principally groupers and similar-appearing fish
Epinephelus itajara (Atlantic goliath grouper, spotted jewfish)
Johnius australis (bottlenose jewfish)
Lateolabrax japonicus (Japanese seabass)
Argyrosomus japonicus (silver jewfish, also known as the mulloway jewfish in eastern Australia)
Argyrosomus regius (meagre)
Tandanus tandanus (eel-tailed catfish, freshwater jewfish, dewfish)
Glaucosoma hebraicum (West Australian dhufish, Westralian jewfish, western jewfish)
Glaucosoma buergeri (Westralian jewfish)
Stereolepis gigas (black jewfish, Pacific jewfish)
Source: Wiktionary
Jew"fish`, n. (Zoöl.)
1. A very large serranoid fish (Promicrops itaiara) of Florida and
the Gulf of Mexico. It often reaches the weight of five hundred
pounds. Its color is olivaceous or yellowish, with numerous brown
spots. Called also guasa, and warsaw.
2. A similar gigantic fish (Stereolepis gigas) of Southern
California, valued as a food fish.
3. The black grouper of Florida and Texas.
4. A large herringlike fish; the tarpum.
Source: Webster’s Unabridged Dictionary 1913 Edition