Élasmobranches (requins et raies) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Scyliorhinidae (Cat sharks) > Scyliorhininae
Etymology: Scyliorhinus: skylion, Greek for dogfish or small shark; rhinus, from rhine (Gr.), rasp, alluding to a shark’s jagged, rasp-like skin. (See ETYFish); retifer: rete, diminutive of reticulum (L.), net; -fer, from fero (L.), to have or bear, referring to its mesh- or chain-like pattern. (See ETYFish).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 36 - 750 m (Ref. 26938). Subtropical; 45°N - 15°N, 99°W - 64°W (Ref. 55294)
Western Atlantic: southern New England to Florida in the USA and northern Gulf of Mexico to Nicaragua. Atlantic coast from Cape Cod to Florida, and west Caribbean from Yucatan to Nicaragua (Ref. 26938).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 48.0 cm TL mâle / non sexé; (Ref. 26938); 47.0 cm TL (female)
Body small and slender; boldly marked body with a pattern of distinct black lines on a pale brownish background. Origin of the first dorsal fin behind free rear tip of pelvic fin (Ref. 26938).
Found on the outer continental shelf and upper slope on rough, rocky bottom. Water temperature: 8.5-11.3°C. Food habits unknown. Oviparous. Not utilized at present. Found in waters 75-550 m deep (Ref. 26938). Lives at depths off 36-230m in the northern portion of its range, and in waters deeper than 460m in its southern range (Ref. 55294). Maximum depth reported taken from Ref. 55584.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). During courtship and prior to copulation, the male bites and wraps female pectoral fin body, tail and gills (Ref. 49562, 51128).
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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Plus d'informations
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 11.4 - 22.7, mean 16.8 °C (based on 93 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00139 - 0.00345), b=3.17 (3.04 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 4.4 ±0.3 se; based on diet studies.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
