The piranha could be a seafood from South America. It thrives in colleges within the streams and lakes of the rainforests of the river and Amazon basin. All celebrated species of piranha fish belong to 2 genera, specifically Pygocentrus and Serrasalmus. Piranha colleges area unit celebrated for his or her vicious feeding fury, however this development happens only if there's a shortage of food. in step with stories, they consume their prey till solely the bones area unit left, however this incidence is kind of rare. They hunt in teams, however they conjointly maintain these massive colleges so as to defend themselves from natural predators like birds, caimans, otters, turtles, water snakes, and citizenry.
Diet
Piranhas area unit omnivores, however they're higher referred to as flesh-eaters or timeserving carnivores. whereas individual piranha fish would eat solely smaller fish, piranha colleges will and can attack and devour tiny mammals and bigger fish. a number of the animals that always fall prey to colleges of piranha area unit crustaceans, birds, amphibians, and lizards. They conjointly eat land animals that venture into their native surroundings. they're most active and aggressive throughout the day. Smaller piranha fish hunt principally at dawn, whereas larger piranha take their fill within the evening or late afternoon.
Aside from its nearly legendary feeding behaviors, maybe the infamy of the piranha is closely tied to its most outstanding anatomical feature-the razor-sharp teeth. The piranha contains a massive and robust mandibula filled with sharp teeth. The higher and lower jaws area unit lined with a fair row of teeth. once one is broken it's instantly replaced with a replacement growth.
Reproduction
Learning correct piranha fish facts helps USA perceive higher the fish celebrated in South American country because the "caribe." They lay their eggs within the lakes and rivers of the tropical timberland. Their main breeding grounds area unit the lagoons. the feminine lay teams of eggs in nests mamma within the sediment within the form of a bowl. The male fish then fertilizes the eggs. once piranhas area unit spawning, the belly of the fish becomes carmine in color, whereas the remainder of the body becomes lighter. Piranha breeding behavior within the wild is somewhat almost like that of birds. once it's nesting season, the adult piranhas patrol their spawning territory so as to defend the eggs.
Piranha fish and humans
South yankee fishermen catch piranha fish and eat them. they're conjointly a staple foodstuff in native wet markets. other than food, the piranha is helpful to humans as a supply of effective cutting tools. The higher and lower jaws of the fish with its sharp teeth area unit gathered and utilized in activities that need cutting and puncturing. once packed tightly, piranha teeth may also be used as a formidable weapon. For the tourer trade, some locals dry the entire specimen below the sun and sell them to tourists as memento things.
Swimmers in fresh rivers and lakes wherever piranhas area unit celebrated to measure have rumored being bitten or hors de combat. notwithstanding, most of the bloody stories regarding mutilated body components area unit exaggerated accounts. Locals would swim in waters that function natural surroundings for piranha and frequently pop out unhurt
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