Diagnostic Description
provided by Fishbase
A heavily-bodied, cylindrical shark with a large, long and broad snout, long nasal flaps and high, triangular, saw-edged upper teeth; interdorsal ridge high and prominent; pectoral and dorsal fins large and straight (Ref. 5578). Grayish with no conspicuous markings, white below (Ref. 5578); inner corners of pectoral fins blackish (Ref. 9997).
- Recorder
- Cristina V. Garilao
Life Cycle
provided by Fishbase
Viviparous, placental (Ref. 50449). Gives birth every second year with 1-13 (average 9) pups per litter (Ref. 58048). In the Mediterranean, sharks give birth in August and September, however in Madagascar, young are born in September and October (Ref. 244). Size at birth 60-75 cm (Ref. 6871); 70-90 cm TL (Ref.58048). Distinct pairing with embrace (Ref. 205).
Morphology
provided by Fishbase
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 0
- Recorder
- Cristina V. Garilao
Trophic Strategy
provided by Fishbase
Occurs on the continental shelf (Refs. 75154, 127989). Viviparous. Diverse feeding habit comprised mostly of fish and cephalopods (Ref. 127989).
Biology
provided by Fishbase
Found near the edge of the continental and insular shelves and uppermost slopes (Ref. 244). Rare in shallow waters (Ref. 9997), bottom associated near shelf breaks and drop-offs; young may occur at 25 m (Ref. 58302). Feeds on bony fishes, other sharks, stingrays, and cuttlefish (Ref. 244). Viviparous (Ref. 50449). Utilized for fishmeal, liver oil, and shagreen (Ref. 9997). Minimum depth reported taken from Ref. 244.
- Recorder
- Kent E. Carpenter
Importance
provided by Fishbase
fisheries: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family
- Recorder
- Kent E. Carpenter