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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
More on author: Lowe.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 0 - 1000 m (Ref. 2793), usually 0 - 150 m (Ref. 37108). Deep-water; 45°N - 10°N
North Atlantic: between 45°-10°N, including 8 specimens recorded within 28°-14°N and 27°-16°W in the eastern Atlantic and 2 records (one dubious) from further south in equatorial eastern Atlantic.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 7.3, range 7 - 7.8 cm
Max length : 7.8 cm SL mannelijk / geslacht onbekend; (Ref. 4502); max. gepubliceerd gewicht: 11.40 g (Ref. 126117)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 3; Dorsale zachte stralen (totaal) : 14 - 15; Anale stekels: 1; Anale zachte stralen: 14 - 16. Head with a sharp angle I the frontal margin. Scales mostly pockets (Ref. 37108).
Adults found at depths below 500 - 600 meters; juveniles below 50 meters (Ref. 51657).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Maul, G.E., 1990. Melamphaidae. p. 612-618. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4502)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
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Estimates based on models
Preferred temperature (Ref.
123201): 15.4 - 20.1, mean 19.2 °C (based on 52 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00537 - 0.02237), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).