Cephaloscyllium silasi (Talwar, 1974)
Indian swellshark
photo by Siripittrakul, B. & T. Krajangdara

Family:  Scyliorhinidae (Cat sharks)
Max. size:  36 cm TL (male/unsexed); 45 cm TL (female)
Environment:  bathydemersal; depth range 250 - 500 m
Distribution:  Western Indian Ocean: vicinity of Quilon, India (Ref. 244) and Sauqira Bay, Oman (Ref. 10914).
Diagnosis:  This is a small shark with the following characters: stout body with expanded belly; labial furrows absent but a vestigial lower labial furrow may be present; anterior nasal flaps are broadly triangular; head depressed, flattened and broad, rounded in dorsal and ventrally; mouth large and arched; 5 gill slits, dorsolaterally placed and last two gill slits over pectorals, the 1-3 gill slits are subequal in length, 5th smallest; eyes dorsolateral and slit like; large mouth, arched or crescentic; mouth width 0.6 times HL; first dorsal origin slightly in front of pelvic insertion and placed above pelvics (Ref. 95495).
Biology:  Found on the uppermost continental slope. Probably a dwarf species. Oviparous (Ref. 50499). This species could possibly attains a maximum size of 50.0 cm TL, with males reported (Ref. 26842) to reach length at maturity at 36.7 cm TL. A 45.0 cm female was found gravid and have two egg cases, one in each uterus, containing visible embryos (85.1-86.2 mm) with attached yolk sac. Stomach examined contains crustaceans and cephalopods (Ref. 95495).
IUCN Red List Status: Data deficient (DD); Date assessed: 01 December 2008 Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Carpenter, Kent E. - 15.06.92
Modified by: Capuli, Estelita Emily - 11.04.14
Checked by: Capuli, Estelita Emily - 11.04.14

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.


Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by sortiz, 10/02/17