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The grey nurse shark, the name used in Australia, is the second-most used name for the shark, and in India it is known as blue-nurse sand tiger. However, there are unrelated nurse sharks in the family Ginglymostomatidae. The most unambiguous and descriptive English name is probably the South African one, spotted ragged-tooth shark. [2] [4]
Grey nurse shark. One of the first shark species to be protected was the grey nurse shark (Carcharias taurus).The biology, distribution and conservation of this species are dealt with in the following paragraphs with a main focus on Australia as it was here it first became protected.
The nurse shark genus Ginglymostoma is derived from Greek language meaning hinged mouth, whereas the species cirratum is derived from Latin meaning having curled ringlets. . Based on morphological similarities, Ginglymostoma is believed to be the sister genus of Nebrius, with both being placed in a clade that also include species Pseudoginglymostoma brevicaudatum, Rhincodon typus, and ...
Grey nurse shark. Lemon shark. Blue shark. Sand tiger shark. Several species of hammerhead sharks. Mako shark. This 13-foot, 1,398-pound male white shark is tracking off South Carolina as the ...
Postural configuration of a Gray Reef Shark as it displays agonistic behaviour, in a sculpture. Agonism is a broad term which encompasses many behaviours that result from, or are triggered by biological conflict between competing organisms. [1] [2] It is defined as "survivalist animal behaviour that includes aggression, defense, and avoidance [3]".
The largest species, called simply the nurse shark Ginglymostoma cirratum, may reach a length of 4.3 m (14 ft); the tawny nurse shark Nebrius ferrugineus is somewhat smaller at 3.2 m (10 ft), and the short-tail nurse shark Pseudoginglymostoma brevicaudatum is by far the smallest at just 75 cm (2.46 ft) in length.
The hunting behavior could be a sign of a wider shift in the marine ecosystem. Scientists saw a male orca kill a juvenile great white shark within minutes last year. The hunting behavior could be ...
Toggle Shark behavior subsection. 4.1 Shark attacks. 5 Range and habitats of sharks. ... One of the first species of shark to be protected was the grey nurse shark.