shark shark uncommon species ground shark family native southern india southern china parts southeast_asia living shallow waters depth lightly built shark characterized short mouth broad upper teeth trailing edge strongly shaped fins obvious white tips dorsal fins light grey bronze colour small white sides reaches maximum known length spending time close sea floor shark specialist predator cephalopods reproductive mode viviparous young form connection mother females probably birth twice year litter consisting pups shark widely caught fisheries meat fins low natural abundance reproductive rate mean sustain fishing pressure given fishing activity intense range assessed species vulnerable taxonomy dutch described shark gave specific epithet greek small mouth placed new genus account based females indonesia measuring long species thought occur australia population recognised distinct species description chinese waters probably species description philippines lacking detail consistent species description shark slender bodied species reaching length snout fairly long rounded nostrils preceded short flaps skin large oval eyes membranes followed minute mouth forms short wide arch teeth closed moderately long furrows present corners mouth upper lower tooth rows upper teeth broad angled smooth leading edge strongly trailing edge lower teeth narrow erect smooth edged pairs gill slits short fins strongly shaped particularly dorsal fins pelvic fins lower caudal fin lobe pectoral fins narrow pointed dorsal fin positioned halfway pectoral pelvic fins second dorsal fin thirds tall positioned slightly ahead anal fin anal fin smaller second dorsal fin dorsal surface caudal bears crescent shaped notch caudal fin origin caudal fin developed lower lobe long upper lobe ventral notch near tip dermal denticles small overlapping horizontal ridges leading marginal teeth species light grey bronze small white spots sides pale dorsal fins tipped white especially obvious second dorsal remainder fin dark distribution habitat shark found southern india sri_lanka southern china taiwan java borneo occur philippines red_sea specimens regions need compared confirmed range common naturally species inhabits continental shelves waters depth usually close sea floor biology ecology diet shark composed entirely cephalopods crustaceans eaten small mouth short gill slits adaptations capturing cephalopods weak jaws small teeth reflect diet soft bodied prey species viviparous developing embryos sustained term connection formed depleted yolk sac females likely produce litters year implying gestation period months pups born time average measure approximately long males mature sexually long females mature long human interactions shark dangerous humans caught range drifting meat eaten fins shark fin soup processed small size shark limits economic value assessed shark vulnerable noting naturally uncommon resides heavily regions addition compared related australian shark productive withstand fishing pressure
Sicklefin weasel shark