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> Beryciformes (Sawbellies) > Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).

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

marino batipelagico; distribuzione batimetrica 50 - 400 m (Ref. 51657), usually 300 - 400 m (Ref. 37108). Deep-water; 40°N - 10°N

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Western Atlantic: between 40° and 10°N. Eastern Atlantic: west of 25° or 30°W and one specimen at 24°34'N, 28°04'W.

Length at first maturity / Size / Peso / Age

Maturity: L_m 2.0, range 2 - 2.25 cm
Max length : 2.3 cm SL maschio/sesso non determinato; (Ref. 4502)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 3; Raggi dorsali molli (totale) : 14 - 16; Spine anali: 1; Raggi anali molli: 7 - 9; Vertebre: 27 - 28. Head with sharp angle in lateral margin. Preopercle with angle smooth, rounded and slightly emarginate (Ref. 37108).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

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)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesca: di nessun interesse

FAO - Publication: search | FishSource |

Informazioni ulteriori

Trophic ecology
Prede
Diet compositions
Food consumptions
Food rations
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Ecology
Ecologia

Population dynamics
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Length-weight rel.
Length-length rel.
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Life cycle
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Dinamica popolazioni larvali

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Anatomy
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Physiology
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Genetics
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Estimates based on models

Preferred temperature (Ref. 123201): 10 - 17.3, mean 13.3 °C (based on 32 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01096 (0.00451 - 0.02668), 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 ±0.2 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).

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

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