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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien benthopelagisch; diepte 283 - 300 m (Ref. 117889). Tropical
Western Pacific: Japan, Taiwan, Hawaii and New Zealand.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 75.0 cm SL mannelijk / geslacht onbekend; (Ref. 117889)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 17; Dorsale zachte stralen (totaal) : 18; Anale stekels: 3; Anale zachte stralen: 16; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.2 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): High vulnerability (57 of 100).
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