Search results
Shark. † Synechodontiformes. 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).
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 sp...
6 days ago · The whale shark (Rhincodon typus) and the basking shark (Cetorhinus maximus), both of which may weigh several tons, are harmless giants that subsist on plankton strained from the sea through modified gill rakers. Whale sharks may grow up to 18 metres (59 feet) in length, whereas basking sharks may reach 14 metres (46 feet) fully grown. All other sharks prey on smaller sharks, fish, squid ...
Type: Fish. Size: 7 inches to 32.8 feet. Weight: <1 ounce to 20.6 tons. Sharks star in blockbuster movies as blood-seeking villains, but in reality they’re far more fascinating and complicated ...
The great white shark is the largest predatory shark on Earth. Great white sharks have a bite more than 20 times stronger than a human. Great white shark mothers give birth to up to 17 pups at a ...
Shark meat is more likely to be consumed locally, but the average declared value of shark meat products in the same time frame was still nearly US$240 million a year. The demand for shark fins in Asia, and shark meat more globally, are the biggest factors driving overfishing and population declines.
Jun 13, 2005 · Shark Facts: Attack Stats, Record Swims, More. A round-up of facts about one of the most iconic fishes. The United States averages just 16 shark attacks each year and slightly less than one shark ...
Shark’s meals are spaced apart because they often have trouble chewing despite their large teeth; this means digestion could take anywhere from 68 to 82 hours. A recent study shows that there are exceptions to the typically carnivorous diets of sharks. The bonnethead shark is omnivorous, feeding on small animals and seagrass.
The largest shark (and also largest fish) is the gentle whale shark ( Rhincodon typus ), which can reach lengths of 39 feet (12 meters). The smallest is the dwarf lantern shark ( Etmopterus perryi) clocking in at only 8 inches long. This tiny shark is found in deep waters off the coasts of Colombia and Venezuela.
Gulper shark. Kitefin shark. Pacific sleeper shark. Pygmy shark. Spiny dogfish. Sharks in this order have flattened bodies, a mouth with dermal flaps in front of a short snout, nasal barbels, eyes and spiracle on the top of their head, and lack an anal fin. Angel shark. Facts about many sharks from the eight orders of sharks from the Shark ...
