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Deania quadrispinosa  (McCulloch, 1915)

Longsnout dogfish
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Native range | All suitable habitat | Point map | Year 2100
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Deania quadrispinosa   AquaMaps   Data sources: GBIF OBIS
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Image of Deania quadrispinosa (Longsnout dogfish)
Deania quadrispinosa
Picture by FAO

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Squaliformes (Bramble, sleeper and dogfish sharks) > Centrophoridae (Gulper sharks)
Etymology: Deania: From B. Dean (1916), ichthyiologist and researcher of ichtyiological bibliography (Ref. 45335).

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 150 - 1360 m (Ref. 44037), usually 400 - 820 m (Ref. 6871).   Deep-water, preferred ?; 9°S - 54°S, 12°E - 172°W (Ref. 54349)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southeast Atlantic: off Namibia and off Algoa Bay, South Africa. Indo-West Pacific: off southern Mozambique and Natal, South Africa; Australia and New Zealand (Ref. 6871).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 110 - ? cm
Max length : 115 cm TL male/unsexed; (Ref. 6871)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Extremely long snout, grooved dorsal fin spines, compressed cutting teeth in both jaws, moderately large, pitchfork-shaped denticles, no subcaudal keel on underside of caudal peduncle, first dorsal fin short and high (Ref. 247). Dark brown, grey, or black in color; juveniles with a dark blotch on each dorsal fin (Ref. 26346).

Biology     Glossary (e.g. epibenthic)

A rare (Ref. 26346) and little-known species found on outer continental shelves and upper slopes (Ref. 247). Feeds on bony fishes (Ref. 247). Ovoviviparous (Ref. 50449).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(fisheries: species profile; publication : search) | FisheriesWiki | Sea Around Us

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