इलाज़मौबरांकी (शारक और रेज़) (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); capensis: -ensis, Latin suffix denoting place: Cape of Good Hope, South Africa, type locality (See ETYFish).
More on authors: Müller & Henle.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 26 - 495 m (Ref. 5578). Subtropical; 0°S - 37°S, 0°W - 29°E (Ref. 57015)
Southeast Atlantic: Lüderitz, Namibia to central Natal, South Africa.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 69.0, range 68 - 70 cm
Max length : 122 cm TL पुल्लिंग / अलिंग; (Ref. 244)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 0; गुदा कांटा: 0. Bright yellow or golden spots on a dark grey body with irregular blotches and saddles (Ref. 5578), cream below (Ref. 5510); 2nd dorsal much smaller than 1st (Ref. 5578). Small anterior nasal flaps that do not reach mouth, no nasoral grooves (Ref. 244).
A common inshore to offshore catshark. Prefers to feed on small bony fishes and crustaceans, also cephalopods (Ref. 244). Oviparous (Ref. 50449).
Oviparous, with a single egg per oviduct at a time (Ref. 244). Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Size upon hatching below 31 cm (size of young with umbilical scars) (Ref. 244).
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर; आखेट मत्स्य: हां
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 9.3 - 16.5, mean 12.2 °C (based on 45 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00138 - 0.00502), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.5 se; based on diet studies.
लौटाव (Ref.
120179): बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (Fec = 1).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).