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Élasmobranches (requins et raies) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436); bassi: Named for Alan John Bass (Oceanographic Research Institute, Durban), for his valuable contributions to the taxonomy of elasmobranch fishes from southern Africa.

Issue
Species information for completion.

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

marin, usually 159 - 591 m (Ref. 116246). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Southeastern Atlantic and western Indian Oceans: southwards along the Western Cape, South Africa and extending to Mozambique.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 96.0 cm TL mâle / non sexé; (Ref. 116246); 110.0 cm TL (female)

Minimum size at maturity of this species is approximately 73.0 cm for females and 65.0 cm for males. Females have between 4-9 pups per litter (size at birth is around 21.0-30.0 cm, with the smallest free-swimming neonates measuring 23.0-23.5 cm TL. Reported to feed mainly on bony fishes, cephalopods and crustaceans (Ref. 116246).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Compagno, Leonard J.V. | Collaborateurs

Viana, S.T. d. F.L., M.R. de Carvalho and D.A. Ebert, 2017. Squalus bassi sp. nov., a new long-snouted spurdog (Chondrichthyes: Squaliformes: Squalidae) from the Agulhas Bank. J. Fish Biol. 91(4):1178-1207. (Ref. 116246)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

Préoccupation mineure (LC) ; Date assessed: 01 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: d'intérêt potentiel

FAO - Publication: search | FishSource |

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Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
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Food rations
Prédateurs

Ecology
Écologie

Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
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Recrutement
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Life cycle
Reproduction
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Frai
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Œufs
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Larves
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Anatomy
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Genetics
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00347 (0.00165 - 0.00730), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 4.4 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (66 of 100).

Squalus bassi Viana, Carvalho & Ebert, 2017