Bathypterois quadrifilis
No common name
NS
GNR
Collection Details
Specimens
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Aulopiformes
Ipnopidae
Bathypterois
Bathypterois quadrifilis
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 and moderately slender; upper pectoral rays thickened, greatly elongated, and superficially separated from lower rays; interior pelvic fin rays and lower caudal fin rays moderately elongated. Body depth 13.2% to 15.6%, head length 19.7% to 21.4%, snout length 6.2% to 7.1% SL. Teeth in jaws small, conical, in bands; teeth also on palatine and occasionally vomer. Eye minute, directed laterally. Branchiostegal rays 11 or 12. Gill rakers on first arch 11 or 12 on epibranch, 1 in corner, 28 to 30 on lower limb. Pectoral fin with 2 rudimentary upper rays, 2 thickened and stiffened rays united for about half length, 1 short ray, 2 or 3 rudimentary rays, and 7 to 9 produced lower rays. Dorsal fin originates posterior to axil of pelvic fin, with 12 to 15 rays. Pelvic fin with 9 rays, first 2 stiffened and elongated. Anal fin with 8 or 9 rays. Dorsal adipose fin present. Caudal fin with lowermost rays elongated, last procurrent ray separated from first lower principal ray by notch and bent upward to form hook. Scales on body except gular fold, with toothlike projections behind pectoral fin base. Lateral line scales 57 to 63. Vertebrae 54 to 59.
Color black, with scale pockets and lateral line pores outlined in white.
Distribution
North Carolina to Gulf of Mexico and Caribbean Sea
Gulf of Mexico
Habitat Associations
Tropical to warm temperate Atlantic Ocean, at depths of 462 to 1,408 m and temperatures of 4.3°C to 7.8°C
Biology
Maximum known length 180 mm SL
Synchronously hermaphroditic. Fecundity of 4,500 eggs for one specimen.
IUCN Red List Status: Least Concern (LC), assessed 2013-05-30. Resilience: Low (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
Distinguished from other species of the family by the combination of characters described
References
Mead 1966c
Sulak 1977
Uyeno et al. 1983
Merrett, N.R. (1990) Chlorophthalmidae. p. 351-360. 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 Bathypterois quadrifilis