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Deania quadrispinosa (McCulloch, 1915)

Longsnout dogfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Deania quadrispinosa   AquaMaps   Data sources: GBIF OBIS
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Image of Deania quadrispinosa (Longsnout dogfish)
Deania quadrispinosa
Picture by FAO

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Centrophoridae (Gulper sharks)
Etymology: Deania: -ia (Gr.), belonging to: American ichthyologist Bashford Dean (1867-1928), American Museum of Natural History, for his research on selachian fishes. (See ETYFish);  quadrispinosa: quadri-, from quattuor (L.), four; spinosa (L.), thorny, referring to four-spined dermal denticles. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser bathydemersal; tiefenbereich 150 - 1360 m (Ref. 44037), usually 400 - 820 m (Ref. 6871). Deep-water; 9°S - 54°S, 12°E - 172°W (Ref. 54349)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | 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 / Gewicht / Alter

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

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 2; Afterflossenstacheln: 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).

Biologie     Fachlexikon (Englisch) (z.B. 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 Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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

Hauptreferenz Upload your references | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

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 Rote Liste Status (Ref. 130435)

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