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| Common names: oilfish (English), escolar (Espanol) |
Ruvettus pretiosus Cocco, 1833
Elongate; fusifrom, slightly compressed; head pointed; eye large, circular; mouth at front, large; 1 row of large teeth each jaw, canines at front; 1st dorsal low, long, XIII-XV spines; 2nd dorsal higher, 15-18 rays, 2 finlets behind; anal fin 15-18 rays, with 2 finlets behind; tail broadly forked, no keels on base; pelvics well developed, I, 5; scales smooth, with rows of small spiny tubercles in between them; lateral line with slight curve over pectoral, straight to tail base; mid-belly with keel of bony plates.
Uniform dark purplish brown to brown; tips of pectoral and pelvic black; juvenile with margins of 2nd dorsal and anal white.
Size: 305 cm.
Habitat: Oceanic; midwater pelagic.
Depth: 50-1160 m.
Circumglobal, temperate to tropical, California to Peru