Sharks
Grey Nurse Shark
Carcharias taurus · Cartilaginous fish — family Odontaspididae
Australia's grey nurse is the same ragged-toothed species divers meet on North Carolina wrecks and Aliwal's caves, but its story here is distinct and cautionary. Labeled a killer on looks alone, it was speared toward oblivion by the 1970s before becoming one of the world's first protected sharks. Today small aggregations still trace slow ovals through gutters at a handful of east-coast sites, gliding among divers with prehistoric calm. The listed destinations in this atlas brush only the edges of its range — the celebrated aggregation reefs lie along the New South Wales and southern Queensland coast — so treat any sighting elsewhere in Australia as a bonus, not a plan.
इसे कहाँ और कब देखें
"निवासी" का अर्थ है कि उस गंतव्य पर अधिकांश डाइव्स में उनसे मुलाकात होती है; "मौसमी" का अर्थ है कि वे सूचीबद्ध महीनों में विश्वसनीय रूप से मौजूद रहते हैं; इसके अलावा जो भी मिले वह बोनस है, योजना नहीं।
हमने अभी तक इस प्रजाति के लिए भरोसेमंद स्थानों की पुष्टि नहीं की है — अनुमान लगाने की बजाय, हम इसे तब तक खाली रखते हैं जब तक स्रोत न मिल जाए।
इन्हें समझना
आवास: Sandy gutters, bommies, and cave mouths along rocky reefs of the Australian coast; the same air-gulping hover as its overseas populations
रेंज: Australian name for the sand tiger shark, Carcharias taurus. Two Australian populations: a small east-coast population from southern Queensland through New South Wales, and a distinct, poorly known west-coast population
व्यवहार: Days are spent circling slowly in traditional gutters and around pinnacles in loose aggregations, mouths bristling, bodies nearly still in the surge. Individuals return to the same handful of sites for years, which concentrates both divers and risk in the same places.
आहार: Reef and pelagic fish, rays, and small sharks, taken mostly at night
आकार: आमतौर पर लगभग 2.5 m; दर्ज अधिकतम गहराई 3.2 m (total length).
इसके आसपास कैसे व्यवहार करें
Australian critical-habitat rules are specific: no blocking gutters or cave entrances, no chasing or touching, approach along the side rather than head-on, keep group sizes modest, and no scooters or feeding at aggregation sites.
संरक्षण
The east Australian population is listed Critically Endangered nationally, numbering in the low thousands at best; protected since 1984 in NSW, with designated critical-habitat sites carrying enforceable approach rules.
इनके लिए जाने-जाने वाले चार्टेड साइट
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