Eustomias Longibarba (Eustomias longibarba) is a ray-finned fish of the family Stomiidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 15.6 cm. It occurs at depths between 0 and 1820 metres. With a trophic level of 4.4, it is an apex predator. It is assessed as Least Concern on the IUCN Red List.
Dorsal soft rays (total): 23 - 25; Anal soft rays: 35 - 37. A single terminal bulb, three times longer than wide ; 1.1-2.3% SL, with a single, digitate terminal projection 12-90% of bulb length. Bulb and projection combined 1.9-3% SL. Barbel 40-78% SL mostly more than 30%. Axis of stem moderately to darkly pigmented. External chevron-shaped or roundish striated areas unpigmented, closely spaced or contiguous distally. A few tiny spheres outside axis proximal to bulb in some specimens; otherwise no spherical or granular inclusions in stem. Middorsal paired spots between occiput and dorsal-fin origin usually 8, sometimes 9 .: elongated.
Behavioural data for Eustomias Longibarba is currently being reviewed.
Diet information for Eustomias Longibarba is currently being compiled.
Reproduction data for Eustomias Longibarba is currently being compiled.
Marine; bathypelagic; depth range 0 - 1820 m . Deep-water; 35°N - 10°S
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 13 records indexed .
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