Lớp phụ Cá sụn (cá mập và cá đuối) (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
Sinh thái học
Biển gần đáy; Mức độ sâu 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).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 67.0 cm TL con đực/không giới tính; (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 | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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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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).
Mức dinh dưỡng (Ref.
69278): 4.5 ±0.80 se; based on food items.
Thích nghi nhanh (Ref.
120179): Rất thấp, thời gian nhân đôi của chủng quần tối thiểu là hơn 14 năm (Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).