Classificatie / Names
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Scombriformes (Mackerels) >
Trichiuridae (Cutlassfishes) > Lepidopodinae
Etymology: Evoxymetopon: Greek, eu = good + Greek, oxys = sharpen + Greek, metopon = brow (Ref. 45335); moricheni: Named for Mordechai (‘Mori’) Chen, who first discovered the species (holotype) while diving in the Gulf of Aqaba..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien benthopelagisch. Tropical
Indian Ocean: Red Sea.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 83.0 cm SL mannelijk / geslacht onbekend; (Ref. 95272)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 83; Wervels: 88. This species is distinguished by the following set of characters: convex upper head profile; the posterior confluence of frontal ridges slightly elevated at the nape that a slight sagittal crest is seen; crescent-shaped nostril; eye 5.2 times in HL; lower hind margin of the opercle is slightly pointed in its lower half; pelvic fins, reduced to scale-like structure, soft rays 2 on the posterior process of the basipterygium, its origin below the eighth dorsal-fin element; first anal spine single, oval, scale like, and originating a short distance behind the vent (opposite the 34th dorsal-fin soft ray); externally visible around 17 anal-fin rays; approximately 83 dorsal-fin elements, with first spine not elongated and shorter than second; pectoral-fin rays 12 (ii + 6 + iv), with shorter anterior (fourth ray shortest) and longer posterior rays extending above the lateral line; upper gill rakers of the first arch 9; vent located at about 49 % TL; total vertebrae 88; horizontal distance between posterior margin of the eye and origin of the first dorsal-fin spine very short (2 % HL); PL 51.1 % TL; HL
29.7 % PL; upper jaw length 11.6 % PL; predorsal length 20.3 % PL; head and body silver white, with a blackish margin anteriorly on the snout and head, continuing along the anterior half of the dorsal-fin base (Ref. 95272).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Fricke, R., D. Golani and B. Appelbaum-Golani, 2014. Evoxymetopon moricheni, a new cutlassfish from the northern Red Sea (Teleostei: Trichiuridae). Ichthyol. Res. 61(3):293-297. (Ref. 95272)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00054 (0.00022 - 0.00132), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.2 ±0.7 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (61 of 100).
