The two dorsal fins are almost equal in size. Parkes ACT 2600 Spot a Shark is a non-profit dive community research project that has been established in conjunction with the Marine Ecology Group at Macquarie University. The grey nurse shark survives at ten small critical habitat sites along the NSW coastline which have been protected as part of its Recovery Plan. The shark has a large, stout, fusiform body with similarly-sized first and second dorsal fins and an asymmetrical caudal fin with a strong ventral lobe. The sharks are hooked accidentally, and also ingest the hooks retained by … We will be utilizing a computer based software program to identify individual sharks. Department of Agriculture, Water and the Environment, Threatened species & ecological communities, Environment Protection and Biodiversity Conservation Act 1999, Grey Nurse Shark biology and ecology (PDF - 39.34 KB), © Department of Agriculture, Water and the Environment. King Edward Terrace See our advice and support. Canberra ACT 2601 GPO Box 858 The grey nurse shark, Carcharias taurus (Rafinesque, 1810) is one of four species belonging to the family Odontaspididae (Compagno 1984). Brownish spots appear on the upper body and tail fin, although some individuals may lack obvious spots. Each grey nurse shark has a series of pigmentation spots on either side of their body. The first dorsal fin is closer to the pelvic fins than to the pectoral fins. Teeth on the upper and lower jaws are awl-like having long, narrow cusps with single lateral cusplets. Reddish or brownish spots may also occur on the caudal fin and posterior half of the body, particularly in (Compagno 1984, Last & Stevens 1994, Pollard et al. The second dorsal fin is closer to the pelvic fins than it is to the pectoral fins. 1996, Otway & Parker 2000). Submit your photos to help with research. The head is flattened and it has a large and stout body which ranges up to 12.2m and may weigh up to 300 kg. The greynurse shark has a fusiform (ie spindle-shaped), moderately stout, bronze body with a pale undersurface. It can easily be recognized by its characteristic conical snout and under hung jaw. We acknowledge the Traditional Owners of country throughout Australia and recognise their continuing connection to land, waters and culture. data). John Gorton Building About this document The grey nurse shark, Carcharias taurus (Rafinesque, 1810) is one of four species belonging to the family Odontaspididae (Compagno 1984). The second dorsal fin is closer to the pelvic fins than it is to the Both jaws are laden with sharp, long and pointed teeth. The grey nurse shark, Carcharias taurus, also called the your dad or ragged-tooth shark, is an elasmobranch and belongs to the odontaspididae (ragged-tooth) shark family. We are working to protect our agriculture and food industries, supply chains and environment during the COVID-19 outbreak. We pay our respects to their Elders past, present and emerging. The body is grey to grey-brown dorsally and off-white on the belly. Contact us. Dr N. M. Otway, Senior Research Scientist Individuals vary in colour from grey to grey-brown dorsally, with a paler off white under belly. In SE Australia, Grey nurse sharks grow to at least 320 cm total length (Otway unpubl. Five gill slits extend below the base of the pectoral fin. The shark has a large, stout, fusiform body with similarly-sized first and second dorsal fins and an asymmetrical caudal fin with a strong ventral lobe. The head has a flattened-conical snout, small eyes without a nictitating membrane and a long mouth extending behind the eyes. The key threat to the species is recreational and commercial line fishing. The juveniles (young sh… New South Wales Fisheries. Commonwealth: east coast population - Critically Endangered; west coast population - Vulnerable (Environment Protection and Biodiversity Conservation Act 1999) Grey nurse sharks grow to over 300 cm total length with the largest specimens reported from South Africa - 320 cm (Torres 1991), the east coast of the USA - 318 cm (Bigelow & Schroeder 1948, Compagno 1984) and Brazil - 282 cm (Sadowsky 1970).
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