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Elasmobranchii (haaien en roggen) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).

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

marien demersaal; diepte 60 - 400 m (Ref. 247). Subtropical; 36°N - 56°S, 97°W - 45°W (Ref. 54893)

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Western Atlantic: North Carolina to Florida (USA), Gulf of Mexico, Cuba, Hispaniola; southern Brazil and Argentina.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - 50 cm
Max length : 110 cm TL mannelijk / geslacht onbekend; (Ref. 247); common length : 75.0 cm TL mannelijk / geslacht onbekend; (Ref. 247)

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A slim, gray shark with tips of dorsal fins black and edges of pectoral, pelvic and caudal fins white; two dorsal fins each with strong, ungrooved spine at front edge (Ref. 26938).

Inhabits continental shelves and uppermost slopes. Found in 60 to 380 m deep (Ref. 26938). Found on or near the bottom in large, dense schools. Probably feeds on bottom fishes and invertebrates. Ovoviviparous, with about 10 young per litter. A huge parasite (isopod) lives in its buccal cavity. Seldom used for food, but taken in commercial catches for its liver which yields oil and vitamins. Maximum depth reported taken from Ref. 55584.

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Ovoviviparous, with about 10 young per litter (Ref. 247). Distinct pairing with embrace (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : Compagno, Leonard J.V. | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 21 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van minder commercieel belang

FAO - visserij: soortsprofiel; Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 13.6 - 23.7, mean 18.7 °C (based on 111 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00339 (0.00162 - 0.00707), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.2 ±0.6 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec=10).

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

Prijsklasse (Ref. 80766): Medium.

Squalus cubensis Howell Rivero, 1936