Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Stomiidae
(Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); bituberoides: Named for its similarity with bituberatus in having a very long barbel.
Environment / Climate / Range
Marine; bathypelagic; depth range 0 - 1050 m (Ref. 11333). Deep-water, preferred ?
Eastern Central Pacific: off Oahu, Hawaii, about 12°N, 150°W.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.1 cm SL male/unsexed; (Ref. 11333); 12.2 cm SL (female)
Morphology | Morphometrics
soft rays: 37;
Vertebrae: 67. Two terminal bulbs separated by an interspace (0.6-2 times length of distal bulb). Barbel 79-136% SL. Terminal filament long, about 20% SL, without side branches. Distal bulb 1-1.6 times length of proximal bulb. Axis of stem and external chevron-shaped or roundish striated areas on stem usually darkly pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 (Ref. 11333).
Epi- and mesopelagic (Ref. 58302).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gibbs, R.H. Jr., T.A. Clarke and J.R. Gomon, 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithson. Contrib. Zool. 380:139 p. (Ref. 11333)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
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), 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 (24 of 100) .