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Teleostei (teleosts) > 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 Ecology

Marine; bathypelagic; depth range 0 - 150 m (Ref. 37108). Deep-water; 11°S - 19°S, 13°W - 1°W (Ref. 117121)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South Atlantic:

Length at first maturity / Size / Weight / Age

Maturity: L_m ?, range 3 - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref. 117121)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 14 - 16; Anal spines: 1; Anal soft rays: 8; Vertebrae: 28 - 29. This species is distinguished by the following characters: gill rakers on first gill arch 14-16; suborbital bone width is significantly larger than eye diameter; total vertebrae 28-29 (abdominal 12); haemal arch of first causal vertebra without spurs; D III,14-15; A I,8: P 15; V I,7; with ventral fin starting behind vertical line of posterior margin of pectoral fin basement; anal fin begins under third-fourth rays of the dorsal fin from its end; absence of black dotted pigment spots on either head or body (Ref. 117121).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology

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Life cycle
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Anatomy
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Physiology
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Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 2.4 - 23, mean 12.5 °C (based on 64 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): 3.2 ±0.2 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

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

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