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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: Günther.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathypelagisch; tiefenbereich 300 - 2516 m (Ref. 4241). Deep-water; 60°N - 47°S
Antitropical. South Atlantic: between 27°S and 46°S (off southwest tip of Africa); southern Indian Ocean, western south Pacific off New Zealand, eastern south Pacific (Ref. 51657). The holotype was caught in the sub-Antarctic Indian Ocean east of the Kara Dag Seamount. Northwest Atlantic: Canada (Ref. 5951). North Atlantic (between 30°N and 60°N) specimens are probable variants of M. falsidicus (Ref. 87970).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 9.6 cm SL Männchen/unbestimmt; (Ref. 87971)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 3; Rückenflossenweichstrahlen (insgesamt) : 17 - 18; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 8. Head with sharp angle. Gill rakers are widely compressed, closely packed and with spaces (Ref. 37108).
Body shape (shape guide): fusiform / normal.
Rare species. May be a species complex (J.A. Moore, pers. Comm.). Trawled below 300 m off South Africa and New Zealand (Ref. 4241). Maximum depth from Ref. 58018.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Gon, O., 1990. Melamphaidae. p. 218-221. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5189)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 2.3 - 5.9, mean 4.4 °C (based on 57 cells).
Phylogenetischer Diversitätsindex (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).
Trophische Ebene (Ref.
69278): 3.6 ±0.2 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming tm=2-4).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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