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Cephaloscyllium signourum Last, Séret & White, 2008 Flagtail swellshark |
| Family: | Scyliorhinidae (Cat sharks), subfamily: Scyliorhininae | |||
| Max. size: | 74.1 cm TL (female) | |||
| Environment: | benthopelagic; marine; depth range 480 - 700 m | |||
| Distribution: | Western Pacific: Australia; possibly occurring off the islands of New Caledonia, Fiji, and Vanuatu. | |||
| Diagnosis: | This medium-sized species has the following set of characters which was based on the holotype: head 7.5% TL in height, trunk 16.3% TL in width; origin of first dorsal-fin is over the anterior pelvic-fin base; prenarial 3.6% TL in length; preorbital snout length is 2.0 times prenarial length, 3.0 in prepectoral length, 6.6 in prepelvic length; snout-vent length long, 51.7% TL; nostril width 2.7% TL; eye-spiracle space narrow, 0.5% TL; pectoral fin medium-sized, its height 12.8% TL, posterior margin 11.9% TL; anal fin tall, 4.0% TL; anal-caudal space is 5.0% TL; precaudal length is 76% TL; interdorsal space is 6.6% TL; teeth with 3 well-developed cusps near symphysis of upper jaw; mostly unicuspidate flank denticles; back without the greatly enlarged denticles; adult clasper unknown; vertebral centra 115-116; tooth count high, 84 teeth in upper jaws, 97 in lower jaws; color of upper half of body medium brown, with a variegated pattern that is not clearly demarcated from the ventral surface; dark saddles (10) evident on body and tail; dorsal fins are pale variegated; dark blotch absent over gills; marking on posterior margin of terminal lobe of caudal fin dark, anteriorly directed, V-shaped; upper surface of pectoral-fin with a dark brown central blotch; centered over ventral origin of caudal fin is a well-developed saddle; ventral surface is uniformly greyish or white in color; juveniles are pale with dark transverse markings appearing as narrow bars and hollow saddles; markings between spiracles not separated into two unconnected pseudo-ocelli (Ref. 76946). | |||
| Biology: | ||||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 17 February 2015 Ref. (130435) | |||
| Threat to humans: | harmless | |||
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