Talismania homoptera
No common name
Collection Details
Specimens
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Records
Taxonomic Hierarchy
Alepocephalidae (Slickheads)
Talismania
Talismania homoptera
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
Moderately elongate, moderately slender, and posteriorly compressed, with a moderately long, acute snout, upper pectoral fin rays filamentous, and body covered with scales. Snout length is slightly longer than eye and is 10% to 12% of SL. Head length is 32% to 37% of SL. Maxilla extends to posterior margin of eye. Two supramaxillae are present on dorsal margin of maxilla. Premaxilla, maxilla, dentaries, and palatine bear single row of teeth. Vomer has well-developed teeth. First gill arch has 8 gill rakers on epibranch, 1 in corner, and 17 on lower limb. Branchiostegal rays number 7 or 8. Pectoral fin has 11 to 13 rays, with upper rays filamentous and thickened. Origin of dorsal fin is over origin of anal fin, and fin bases are about equal length. Dorsal fin has 21 to 24 rays, and anal fin has 20 to 24 rays. Pelvic fin has 7 rays. Body, excluding head, is covered with scales. Lateral line scales number 52 to 55. Trunk vertebrae number 17 to 19, and caudal vertebrae number 29 to 32. Pyloric caecae number 10 or 11.
Color is blackish with black wartlike spot on base of sixth dorsal fin ray.
Distribution
northern Gulf of Mexico
Gulf of Mexico
Habitat Associations
benthopelagic at depths of 560 to 1,690 m
Biology
290 mm SL
Reproductive mode: dioecism; fertilization: external.
IUCN Red List Status: Least Concern (LC), assessed 2012-07-11. Resilience: Medium (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
distinguished from other species of the family by the combination of characters
References
Parr 1952a (as Talismania oregoni)
Markle and Quero 1984
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Markle, D.F. and Y.I. Sazanov (1990) Alepocephalidae. p. 246-264. 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.
Uyeno, T., K. Matsuura and E. Fujii (eds.) (1983) Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 519 p.
Comments On Talismania homoptera