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The bull shark (Carcharhinus leucas), also known as the Zambezi shark (informally zambi) in Africa and Lake Nicaragua shark in Nicaragua, is a species of requiem shark commonly found worldwide in warm, shallow waters along coasts and in rivers. It is known for its aggressive nature, and presence mainly in warm, shallow brackish and freshwater ...
This victim fell overboard and was killed by a shark while swimming in Pensacola Bay, Santa Rosa County, Florida. John Bloomquist. September 23, 1911. Unconfirmed, probably a bull shark. Bloomquist was killed by a shark in the Galveston, Texas, ship channel after he jumped overboard to rescue a companion. George Spencer.
Freshwater shark. the bull shark, Carcharhinus leucas, which can swim between salt and fresh water, and are found in tropical rivers around the world. Some prehistoric sharks (in a broad sense), including hybodonts and xenacanths, are also thought to have inhabited freshwater environments. A small number of freshwater fish cyprinids and catfish ...
But there's one extraordinary find of a bull shark on the Mississippi from 1937 in Alton, Illinois, north of St. Louis — less than 250 miles from southern Lake Michigan — that shows the hardy ...
Bull sharks are supposed to be common in the 156-mile-long lagoon, so shark biologist Craig O’Connell was surprised to find a dead zone with dead fish and dead and diseased sharks in one of ...
A lake on a landlocked golf course some 14 kilometers (8.7 miles) from the Pacific Ocean may sound like a swim too far for any fish, but the bull shark has a reputation for dipping its fins into a ...
Bull shark One year ago, Jeremy Wade was investigating the bull shark in Australia and caught a small pup, proving that the sharks were breeding in the local rivers. Around the same time, a group of scientists in South Africa made a shocking discovery: the largest bull shark ever caught, and it was found in a river.
A great white shark at Isla Guadalupe, Mexico. The 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.