Apristurus laurussonii
No common name
NS
GNR
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Chondrichthyes (Cartilaginous Fishes)
Carcharhiniformes (Ground Sharks)
Scyliorhinidae (Cat Sharks)
Apristurus
Apristurus laurussonii
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.
It may contain errors in spelling, punctuation, or formatting.
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Characters
Preoral snout length is 7% to 8% of TL. Nostril is enlarged and has poorly developed anterior lobe. Distance between nostrils is about 1.4 times nostril width. Mouth is long and broadly arched. Labial furrows are well developed in both jaws. Eye length is less than 4% of TL. Gill slits are not covered with pleats or grooves. First dorsal fin is equal in size to second dorsal fin. Origin of first dorsal fin is slightly anterior to midbase of pelvic fin. Distance between dorsal fins is less than distance from snout to spiracular but greater than length of base of first dorsal fin. Anal fin is separated from caudal fin by notch. Upper lobe of caudal fin lacks crest of enlarged denticles.
Color is grayish brown dorsally and ventrally.
Distribution
In the western Atlantic it occurs off Massachusetts and Delaware
and in the northern Gulf of Mexico
Habitat Associations
temperate North Atlantic, between 560 and 1,462 m
Biology
Maximum known size is 68 cm TL
Development is thought to be oviparous
Fairly common on the upper continental slopes, usually over mud or other soft sea bottom (Ref. 9996). Oviparous (Ref. 50449).
IUCN Red List Status: Least Concern (LC), assessed 2019-06-19. Resilience: Very low (Fec assumed to be <10).
Phylogeny and Morphologically Similar Fishes
distinguished from the other species of the family by the following combination of characters
Commercial or Environmental Importance
Fisheries: of no interest.
References
Bigelow et al. 1953
Springer 1966
Springer 1979
Castro 1983
Compagno 1984
Quero 1984f
C. R. Robins et al. 1986
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Compagno, L.J.V. (1984) FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO.
Springer, S. (1990) Scyliorhinidae. p. 90-94. 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.
Compagno, L.J.V. (1999) Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland.
Kawauchi, J., S. Weigmann and K. Nakaya (2014) Apisturus breviventralis, a new species of deep-water catshark (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from the Gulf of Aden. Zootaxa 3881(1):1-16.
Comments On Apristurus laurussonii