Classificatie / Namen
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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335); nikolayi: Named for Nikolay Efimovich Kotlyar (1908-1994), father of the species author.
Eponymy: Nikolay Efimovich Kotlyar (1908–1994) was the father of the author, Aleksandr Kotlyar. (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte ? - 1000 m (Ref. 90261). Subtropical
Northwest Pacific: Ogasawara Island.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.2 cm SL mannelijk / geslacht onbekend; (Ref. 90261)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 3; Dorsale zachte stralen (totaal) : 15; Anale stekels: 1; Anale zachte stralen: 9; Wervels: 29. This species is distinguished by the following: first gill arch with 21 rakers; total vertebrae 29, abdominal 12; haemal arch of the first caudal vertebra without a spine ('spur'); D III,15, P 15-16; V I,8; ventral fin originates beyond the vertical of the posterior end of the pectoral fin insertion; anal fin originates beyond the vertical of the last ray of the dorsal fin (Ref. 90261).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Kotlyar, A.N., 2012. Revision of genus Melamphaes (Melamphaidae): Part 4. Multi-raker species: M. ebelingi, M. occlusus sp. nova, and M. nikolayi sp. nova. Vopr. Ikhtiol. 52 (3):279-287. J. Ichthyol. 52(4):247-254. (Ref. 90261)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00453 - 0.02656), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.2 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): Low vulnerability (10 of 100).
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