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The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
Brachaelurus (blind sharks) is the sole genus of sharks in the family Brachaeluridae in the order Orectolobiformes. Only two extant species of blind sharks occur, both of which are native to shallow coastal waters up to 110 m (360 ft) deep, off the eastern coast of Australia .
There are numerous species of sharks found in the Pacific Ocean; of these sharks, 36 [1] have habitat ranges throughout the coastlines and surrounding waters of California, as identified below. Identifications include common names; scientific names; the taxonomic rank, family; conservation statuses according to IUCN; and an image.
The species lives in the deep waters of the Pacific Ocean, which NIWA scientist Brit Finucci said makes them difficult to study. One ghost shark was caught on camera swimming off the coast of ...
The false catshark or sofa shark (Pseudotriakis microdon) is a species of ground shark in the family Pseudotriakidae, and the sole member of its genus.It has a worldwide distribution, and has most commonly been recorded close to the bottom over continental and insular slopes, at depths of 500–1,400 m (1,600–4,600 ft).
Scientists have discovered a new species of ghost shark that lives in deep ocean waters near Australia and New Zealand.. The Australasian Narrow-nosed Spookfish, or Harriotta avia, was found in ...
The new species of ghost shark has a beak-like mouth and a whip-like tail (National Institute Of Water and) "Ghost sharks like this one are largely confined to the ocean floor, living in depths of ...
The dusky shark (Carcharhinus obscurus) is a species of requiem shark, in the family Carcharhinidae, occurring in tropical and warm-temperate continental seas worldwide.A generalist apex predator, the dusky shark can be found from the coast to the outer continental shelf and adjacent pelagic waters, and has been recorded from a depth of 400 m (1,300 ft).