Eustomias leptobolus
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Stomiiformes
Stomiidae (Dragonfishes)
Eustomias
Eustomias leptobolus
Description
This species account was compiled from
Composite (multiple sources) (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
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Characters
Elongate and very slender, with a long, tapering, protrusible snout; a moderately long chin barbel bearing a long and slender terminal bulb; and abdominal pelvic fins. Body depth is 8.3% and head length is 11.6% of SL. Premaxilla has 7 to 15 teeth. Lower jaw has 9 or 10 teeth. Chin barbel is 46% to 49% of SL. Barbel has slender stem and single, large, elongate terminal barbel with constriction before tip. Bulb is 33% to 35% of SL and bears simple, minute terminal filament. Deep ventral groove on belly is absent. Pectoral fin consists of 2 free rays. Dorsal fin has 23 or 24 rays, and anal fin has 36 or 37 rays. Pelvic fin has 7 rays. IP number 7, PV number 33 or 34, and VAV number 15 or 16. OV number 33, VAL number 16 or 17, and AC number 17 or 18. Preorbital and suborbital luminous organs are absent. Po is present. Vertebrae number 65 to 67.
Color is black. Barbel stem is darkly pigmented, but external chevron-shaped or roundish striated areas on stem are not pigmented.
Distribution
Western Atlantic from the Straits of Florida and the northern Gulf of Mexico.
Habitat Associations
Between the surface and 400 m in nonclosing nets.
Biology
Maximum known size is 95 mm SL.
Reproductive mode: dioecism; fertilization: external; nonguarders (open water/substratum egg scatterers); parental care: none.
IUCN Red List Status: Data Deficient (DD), assessed 2018-10-11. Resilience: High (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
Distinguished from other species of the family by the combination of characters described.
Commercial or Environmental Importance
Fisheries: of no interest.
References
Morrow and Gibbs 1964
Rass 1971
Gomon and Gibbs 1985
Claro, R. (1994) Características generales de la ictiofauna. p. 55-70. In R. Claro (ed.) Ecología de los peces marinos de Cuba. Instituto de Oceanología Academia de Ciencias de Cuba and Centro de Investigaciones de Quintana Roo.
Bigelow, H.B., D.M. Cohen, M.M. Dick, R.H. Gibbs Jr., M. Grey, J.E. Morrow Jr., L.P. Schultz and V. Walters (1964) Fishes of the western North Atlantic. Part four. New Haven, Sears Found. Mar. Res., Yale Univ.
Patzner, R.A. (2008) Reproductive strategies of fish. pp. 311-350. In Rocha, M.J., A. Arukwe and B.G. Kapoor (eds). Fish reproduction: cytology, biology and ecology. Science Publisher, Inc. Oxford. 631 p.
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