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Centrolophidae (trevalla, ruffe; subclass Actinopterygii, order Perciformes) A family of medium-sized to large marine fish, with long anal and dorsal fins, fairly small pelvic fins, and a slightly forked tail fin. The few spines of the dorsal fin may be absent or short, or grade into the many-rayed, soft second dorsal. Centrolophids tend to be pelagic fish, living near the edge of the continental shelf in temperate waters. Centrolophus niger (blackfish or black ruffe) occurs in the N. Atlantic. Among those living in the southern hemisphere are Hyperoglyphe porosa (deep-sea trevalla) and the warehou (a name thought to be of Maori origin), Seriolella brama. There are about 22 species.


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