Actinopterygii (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Stomiidae
(Barbeled dragonfishes) > Melanostomiinae
Etymology: Melanostomias: Greek, melan, -anos = black + Greek, stoma = mouth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 30 - 950 m (Ref. 2732). Deep-water; 45°N - 49°S, 98°W - 180°E
Eastern Atlantic: Madeira to Angola, but not known between Mauritania and Guinea. Western Atlantic: USA to Brazil including the Gulf of Mexico. Also known from the Indian and Pacific oceans.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm SL male/unsexed; (Ref. 37039)
Morphology | Morphometrics
soft rays: 19 - 20. Body elongate and moderately slender. Short, blunt, non-protrusible snout. Long chin barbel bearing a nonterminal bulb. Barbel stem black, bulb and tentacle unpigmented (Ref. 37039).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gibbs, R.H. and M.A. Barnett, 1990. Melanostomiidae. p. 308-337. 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. 1. (Ref. 4468)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 9.1 - 20.6, mean 13.8 (based on 959 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.2 ±0.73 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .