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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.
Initially, scientists thought the sharks in the lake were an endemic species, the Lake Nicaragua shark (Carcharhinus nicaraguensis). In 1961, following comparisons of specimens, it was synonymized with the widespread bull shark (C. leucas), [7] a species also known for entering freshwater elsewhere around the world. [8]
The Cañas–Jerez Treaty states that Nicaragua owns the waters of the river and that Costa Rica can only use it for commercial navigation on certain parts of the river at Nicaragua's discretion. The San Juan River is home to freshwater bull sharks that also go into Lake Nicaragua in addition to a wide array of marine life and biodiversity.
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A bull shark, which can survive in fresh water. The bull shark is a species of shark that can survive for an extended period of time in fresh water. It can be found in Lake Nicaragua and the San Juan River, where it is often referred to as the "Nicaragua shark". [5]
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 ...
As of 2009 it is one of only two places in Nicaragua where the toad Incilius melanochlorus has been recorded. [2] [3] The world's only freshwater shark, Nicaragua shark, [4] known elsewhere in the world as the bull shark or Zambesi shark is also present in the San Juan River. Nicaragua has recently banned freshwater shark fishing because of ...
The lake surrounding Ometepe harbors many species of aquatic animals, notably the Nicaragua shark which until recently was thought to be a unique species of freshwater shark but has since been shown to be continuous with ocean populations. [14] Small populations of spider monkeys (Ateles s.) inhabit very small islands within Lake Nicaragua.