Actinopterygii (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Stomiidae
(Barbeled dragonfishes) > Stomiinae
Etymology: Stomias: Greek, stoma = mouth; hard briddle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 0 - 500 m (Ref. 5951). Deep-water; 39°N - 16°N, 18°W - 6°W
Eastern Atlantic: southern Portugal south to Mauritania. Northwest Atlantic: Canada (Ref. 5951).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.4 cm SL male/unsexed; (Ref. 4464)
soft rays: 20 - 22. Body slender. Five rows of pigmented areas dorsal to the lateral row of large photophores. Black to dark brown, sides iridescent, fins pale. Barbel pale, bulb yellowish, filaments pale (Ref. 37473).
An oceanic (Ref. 4783) and mesopelagic species (Ref. 4464). May migrate to near-surface waters at night (Ref. 4783). Feeds on midwater fishes and crustaceans (Ref. 4783).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gibbs, R.H. Jr., 1990. Stomiidae. p. 296-299. 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 UNECO, Paris. Vol. 1. (Ref. 4464)
IUCN Red List Status (Ref. 120744)
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
): 15 - 18.5, mean 16.3 (based on 28 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00191 (0.00078 - 0.00468), b=3.18 (2.97 - 3.39), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.64 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 (31 of 100) .