Actinopterygii (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Stomiidae
(Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335). More on author: Regan, Trewavas.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 0 - 400 m (Ref. 27000). Deep-water; 27°N -
Eastern Atlantic: known only from northwest of Cape Verde (26°N 21°W).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.3 cm SL male/unsexed; (Ref. 4468)
Morphology | Morphometrics
soft rays: 36;
Vertebrae: 68. A single, ovoid terminal bulb 1.4% SL. Barbel length 56% SL. A single short terminal filament with several side branches along its length, none with prominent bulblets. Axis of stem, main filament, and most proximal filament branch lightly pigmented. No spot usually at the base of both. External chevron-shaped or roundish striated areas unpigmented. Paired spots along dorsum not counted (Ref. 11333).
Mesopelagic (Ref. 27000).
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
): 6.9 - 7, mean 6.9 (based on 2 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 ±0.8 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .