Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Proscylliidae
Etymology: Proscyllium: Greek, pro = first, in front of + Greek, skylla = a kind of shark (Ref. 45335). More on author: Hilgendorf.
Environment / Climate / Range
Marine; demersal; depth range 50 - 100 m (Ref. 244). Tropical; 39°N - 8°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 57.0 cm TL male/unsexed; (Ref. 244); 65.0 cm TL (female)
soft rays: 0. Caudal fin without a rippled dorsal margin and ventral lobe but with a strong subterminal notch; vertebral axis of caudal fin little raised above body axis (Ref. 13566). Round dark brown spots and indistinct saddles (Ref. 13566).
Western Pacific: southeastern Japan to Viet Nam and northwestern Java, Indonesia (Ref. 13566).
A little-known, uncommon bottom-dwelling shark found on the shelves of continental and insular waters (Ref. 244). Dwell on the sublittoral zone, 50-320 m (Ref. 11230). Food habits little known; probably feeding on bony fishes, crustaceans and cephalopods (Ref. 244). Oviparous (Ref. 50449), with 1 to 2 pups in a litter (Ref. 244).
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.
IUCN Red List Status (Ref. 90363)
Fisheries: subsistence fisheries
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.6328 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this BS (Ref. 93245
Trophic Level (Ref. 69278
): 4.1 ±0.57 se; Based on food items.
Resilience (Ref. 69278
): Very Low, minimum population doubling time more than 14 years (Fec = 1-2).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .