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); clarkae: Named for Dr. Eugenie Clark for her dedication to elasmobranch biology and marine conservation.
Eponymy: Dr Eugenie Clark (1922–2015), sometimes known as ‘The Shark Lady’, was a Japanese-American ichthyologist. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique; profondeur 242 - 613 m (Ref. 120195). Tropical; 7°C - 14°C (Ref. 120195)
Western Atlantic: Gulf of Mexico (West Florida Slope off Tampa, Florida to west side of the head of DeSoto Canyon off Louisiana).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 55.0 cm TL mâle / non sexé; (Ref. 120195); 72.3 cm TL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
This species possess a longer body, smaller interorbital space (equal to that of the mouth width which is 0.78-0.82 times the pre-oral length); short caudal fin; differently-proportioned first dorsal fin (interdorsal space, 24.6% to 25.8% of TL); relatively short snout; prenarial length 0.64-0.69 times mouth width and 1.32-1.59 times eye length; denticles wide, tricuspidate, overlapping, and rhomboid; caudal 'bar' present at the fork of the caudal fin; dorsal caudal lobe wide, and a broad rounded tip (Ref. 120195).
Body shape (shape guide): fusiform / normal; Cross section: angular.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Pfleger, M.O., R.D. Grubbs, C.F. Cotton and T.S. Daly-Engel, 2018. Squalus clarkaeSqualus mitsukurii. species complex. Zootaxa 4444(2):101-119. (Ref. 120195)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: d'intérêt potentiel
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00355 (0.00168 - 0.00751), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
4.1 ±0.4 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
High vulnerability (59 of 100). 🛈 |