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> Beryciformes (Sawbellies) > Melamphaidae (Bigscale fishes or ridgeheads)
More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser bathypelagisch; tiefenbereich 0 - 4740 m (Ref. 58018), usually 500 - ? m (Ref. 36655). Deep-water; 63°N - 50°S, 180°W - 180°E

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Circumglobal: In tropical to temperate waters; except Arctic Ocean and Mediterranean Sea. Eastern Atlantic: Gulf of Guinea and west of the Canary Islands. Eastern Pacific: California Current region (Ref. 36655). Western Pacific: Kuril Island (Ref. 52443). South China Sea (Ref.74511).

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 4.0, range 3 - 7.3 cm
Max length : 7.3 cm SL Männchen/unbestimmt; (Ref. 4241)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 2 - 3; Rückenflossenweichstrahlen (insgesamt) : 10 - 13; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 7 - 9; Wirbelzahl: 24. Dark brown body; black head, mouth, and branchial cavity; pigmented fins. Transverse rows of scales, 28 (Ref. 31511). Gill rakers on the first arch, 14-17 (Ref. 37108).

Mesopelagic and bathypelagic at 340-1200 m depth (Ref. 36665). Oviparous, with planktonic eggs and larvae (Ref. 36655). Significant morphological variation between Indo-Pacific and other populations.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Oviparous (Ref. 36655).

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Ebeling, A.W., 1986. Melamphaidae. p. 427-432. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4241)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Daten mangelhaft (DD) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell

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Estimates based on models

Preferred temperature (Ref. 123201): 1.3 - 5, mean 1.8 °C (based on 10291 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01072 (0.00442 - 0.02595), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.30 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Scopeloberyx robustus (Günther, 1887)