Stemonosudis intermedia
No common name
NS
GNR
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Aulopiformes
Paralepididae (Barracudinas)
Stemonosudis
Stemonosudis intermedia
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
Body depth 2.3% to 4.9%, head length 13% to 16.5%, snout length 7.6% to 9.4% SL. Premaxilla with 3 or 4 depressible canine teeth anteriorly and 16 to 28 fixed teeth posteriorly. Lower jaw with 9 fixed canine teeth in outer series and 9 depressible teeth in inner series. Vomer lacks teeth. Palatine with 3 or 4 depressible canine teeth anteriorly and 4 to 6 fixed uniserial canine teeth posteriorly. First gill arch with 2 or 3 'gill teeth' on epibranch, 1 in corner, 18 to 23 on lower limb, and 3 or 4 on hypobranch. Pectoral fin with 11 or 12 rays. Dorsal fin with 10 rays. Pelvic fin with 8 or 9 rays. Luminous organs absent. Scales absent except for embedded lateral line scales. Lateral line scale sections elliptical, 86 to 92 in number. Tympana Y-shaped. Vertebrae 111 to 114.
Body lightly pigmented with series of alternating dorsal and ventral spots, mid-dorsal band from head to caudal fin, and spots on midventral region. Larvae and juveniles have 16 to 18 peritoneal spots.
Distribution
Western Atlantic off eastern United States, from about 40°N, to the Gulf of Mexico and the Caribbean Sea.
Habitat Associations
Near surface to 800 m depth
Biology
Midwater fishes, e.g., Lestidiops sp.
Maximum known size 138 mm SL for an adolescent specimen; adults not known
The young occur near the surface, adults up to 800 m and more.
IUCN Red List Status: Least Concern (LC), assessed 2013-05-08. Resilience: Medium (Assuming tmax>3).
Phylogeny and Morphologically Similar Fishes
Distinguished from other species of the family by combination of characters
References
Rofen 1966a
Rass 1971
Post, A. (1990) Paralepididae. p. 373-384. 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 UNESCO, Paris. Vol. 1.
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