Classification / Names
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Teleostei (teleosts) >
Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Etymology: Epinnula: Refers to the lack of spinules (or finlets); rex: Name from Latin meaning 'king', used as a noun, as an homage to its Atlantic congener Epinnula
magistralis which was named for 'master' in Latin.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 283 - 300 m (Ref. 117889). Tropical
Distribution
Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Western Pacific: Japan, Taiwan, Hawaii and New Zealand.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm SL male/unsexed; (Ref. 117889)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 17; Dorsal soft rays (total): 18; Anal spines: 3; Anal soft rays: 16; Vertebrae: 32. This species is distinguished from its only congener by the following characters: D XV-XVI, I, 17-18; A III, 15-16; the longest second dorsal-fin ray 2.3-2.9 in HL; pectoral fin long, 1.5-1.8 in HL; pelvic fin short, 1.4-3.2 in HL; the origin of the anal fin is behind that of second dorsal fin; scales on upper lateral-line 185-208, on vertical part of lower lateral line 66-81, on horizontal part of lower lateral line 172-199 (Ref. 117889).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ho, H.-C., H. Motomura, H. Hata and W.-C. Jiang, 2017. Review of the fish genus Epinnula Poey (Perciformes: Gempylidae), with description of a new species from the Pacific Ocean. Zootaxa 4363(3):393-408. (Ref. 117889)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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