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See all on WikipediaThe following outline is provided as an overview of and topical guide to sharks: Sharks (superorder Selachimorpha) are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date from more than 440 million years ago, before the time of the dinosaurs. See more
• Ichthyology – branch of zoology devoted to fish (including sharks)
• Meristics – branch of ichthyology that relates to counting features of fish, such as the number of fins … See moreList of sharks Subdivisions of the biological classification Selachimorpha include:
• Carcharhiniformes – ground sharks
• Heterodontiformes – … See moreRange
• Bodies of water in which sharks can be found include:
• Depths: from the surface down to depths of 2,000 metres (6,600 ft). See more• Drum lines
• Shark net – submerged net placed around beaches to reduce shark attacks on swimmers See more• Predation
• Shark threat display – Behaviour shown by some sharks when threatened See more• Physical characteristics of sharks – shark skeleton, respiration and skin See more
Wikipedia text under CC-BY-SA license Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the Batoidea (rays and kin). Some sources extend the term "shark" as an informal category including …
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 7 mins
List of sharks - Wikipedia
WebListed 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 …
WebThe major features of sharks. Shark anatomy differs from that of bony fish in a variety of ways. Variation observed within shark anatomy is a potential result of speciation and habitat variation.
WebThe bull shark ( Carcharhinus leucas ), also known as the Zambezi shark (informally zambi) in Africa and Lake Nicaragua shark in Nicaragua, is a …
- Estimated Reading Time: 2 mins
WebWelcome to the shark portal. Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins …
Web5:01. Sharks 101. Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some …
WebSome common kinds of shark are the hammerhead shark, the great white shark, the tiger shark, and the mako shark. Most sharks are cold-blooded but some, like the great …
WebShark Facts - Woods Hole Oceanographic Institution. What are sharks? Sharks are elasmobranchs, a group of animals that includes rays and skates, whose members have a skeleton made of cartilage, rather than …
WebWe Know Sharks LEARN ABOUT SOME OF THE 400+ SPECIES OF SHARKS. All organisms have scientific names, a name that is unique for each species. Every species has two Latin names which allow people to …
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