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While the majority of sharks are solely marine, a small number of shark species have adapted to live in freshwater. The river sharks (of the genus Glyphis) live in freshwater and coastal marine environments. The bull shark (Carcharhinus leucas), can swim between salt and fresh water, and are found in tropical rivers around the world.
Epalzeorhynchos is a small ray-finned fish genus of the family Cyprinidae.Its members are – like some other cyprinids – known as "freshwater sharks" or simply "sharks".". They are, however, freshwater members of the Osteichthyes lineage which is distinct from the Chondrichthyes lineage of sh
Red-tailed black sharks are omnivorous scavengers who are rarely picky eaters. [2] In the wild they eat insects, small crustaceans, worms, detritus, and plant matter. [2] They will also eat algae off rocks, plants, and décor similar to many popular sucker fish in aquariums. They will scavenge recently deceased fish and animals if given the chance.
Sharks are found in all seas. They generally do not live in fresh water, with a few exceptions such as the bull shark and the river shark which can swim both in seawater and freshwater. [99] Sharks are common down to depths of 2,000 metres (7,000 ft), and some live even deeper, but they are almost entirely absent below 3,000 metres (10,000 ft).
The speartooth shark (Glyphis glyphis) is a rare species of river shark, belonging to the family Carcharhinidae. It inhabits coastal marine waters and tidal reaches of large tropical rivers in northern Australia and New Guinea .
The selected pictures are what we believe to be the best pictures on Wikipedia related to sharks.Any image that is featured or valued on the English Wikipedia, or featured, valued or considered high quality on Wikimedia Commons, and is used in one or more articles within the scope of WikiProject Sharks, automatically qualifies, and may be added below.
“Where white sharks give birth is one of the holy grails of shark science. No one has ever been able to pinpoint where they are born, nor has anyone seen a newborn baby shark alive,” Gauna ...
River stingrays or freshwater stingrays are Neotropical freshwater fishes of the family Potamotrygonidae in the order Myliobatiformes, one of the four orders of batoids, cartilaginous fishes related to sharks. They are found in rivers in tropical and subtropical South America (freshwater stingrays in Africa, Asia and Australia are in another ...