Teleostei (teleosts) >
Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); cancriensis: From the Latin cancer, crab, and -ensis, denoting a locality, in reference to the distribution of this species along the Tropic of Cancer.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 0 - 1500 m (Ref. 11333). Deep-water; 25°N - 21°N
Western Pacific: between 128° and 178°E.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 17.5 cm SL male/unsexed; (Ref. 11333)
Dorsal soft rays (total): 25; Anal soft rays: 39; Vertebrae: 68. A single terminal bulb 0.7-1.3% SL. Barbel length 47=53% SL. Short terminal filaments 3-6; 1 filament thicker and longer than others; all filaments simple or forked and lacking bulblets. Axis of stem pigmented ; no spot at the base of the bulb. No external pigment spots proximal to bulb. External chevron-shaped or roundish striated areas unpigmented. Middorsal paired spots between occiput and dorsal-fin origin 7 - 9(?) (Ref. 11333).
Body shape (shape guide): elongated.
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. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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