Actinopteri (ray-finned fishes) > Beryciformes
(Sawbellies) > Melamphaidae
(Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; bathypelagic; depth range 100 - 3200 m (Ref. 84880), usually 300 - ? m (Ref. 84880). Deep-water; 29°N - 48°S
North Atlantic: off the American, European and African coasts; central part of the Ocean - above the Corner Ridge and North-Atlantic Ridge (northern most 57°46'N, 11°05'W). South Atlantc: Vema Seamount, Argentina to South Africa (northern most 18°39'S, 04°16'W, all other catches up to 40°S. Indian Ocean: off South Africa, Madagascar and Mozambique ridges. Pacific: Northwest - off Nampo Is. And Ogasawara (Bonin); Northeast - off California; Southwest - Tasman Sea.
Length at first maturity / Size / Weight / Age
Maturity: Lm 9.4, range 9 - 9.7 cm
Max length : 10.6 cm SL male/unsexed; (Ref. 84880)
soft rays: 17. Light brown body; unpigmented fins; mouth and branchial cavity light brown. Well-developed post temporal spine, directed antero-dorsally. About 20 transverse rows of scales (nape to caudal fin) (Ref. 31511). Head with obtuse angle in lateral margin (Ref. 37108).
A mesopelagic oceanic species (Ref. 84880)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kotlyar, A.N., 1999. Melamphaes suborbitalis (Melamphaidae): osteology, intraspecific structure, distribution, and description of a new species, Melamphaes parini sp. nova. Vopr. Ikhtiol. 39(4):447-459. [In Russian. English translation in J. Ichthyol. v. 39 (no. 6): 421-432.]. (Ref. 84880)
IUCN Red List Status (Ref. 125652)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 6.3 - 9.8, mean 8.1 °C (based on 43 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00402 - 0.02488), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .