Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Scyliorhinidae
Etymology: Scyliorhinus: Greek, skylla = a kind of shark + Greek, rhinos = nose (Ref. 45335).
Environment / Climate / Range
Marine; demersal; depth range 36 - 750 m (Ref. 26938). Subtropical; 45°N - 15°N, 99°W - 64°W (Ref. 55294)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 48.0 cm TL male/unsexed; (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).
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).
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.
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.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: of no interest
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00151 - 0.00695), b=3.10 (2.91 - 3.29), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 4.4 ±0.8 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .