Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (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); cervigoni: In honor of Venezuelan ichthyologist Fernando Cervigón Marcos (1930-2017), who recognized this shark as a distinct species in 1960. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 45 - 500 m. Deep-water; 11°C - 16°C (Ref. 244); 20°N - 17°S
Eastern Atlantic: probably wide-ranging off tropical West Africa, from Mauritania to Angola (Ref. 244). Often previously referred to as Scyliorhinus stellaris (Ref. 244, 127434).
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 67.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 244); 76.0 cm TL (female)
Found on rocky and muddy bottoms of the continental shelf and upper slope. Temperature: 11-16°C. Salinity: 30 ppt. Oxygen: 1.0-1.6 ml/l. Feeds on bony fishes. Oviparous (Ref. 50449).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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)
Threat to humans
Harmless
Human uses
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 12.4 - 15.8, mean 14.3 °C (based on 29 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 (0.00139 - 0.00497), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.5 ±0.80 se; based on food items.
Ελαστικότητα (Ref.
120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).