12/28/2023 0 Comments Black piranha![]() Our fascinating list of extreme marine biters consists of hundreds of teeth, thousands of kilograms of power, and unique muscle structures from both fresh and saltwater habitats. However, piranhas are a considerable nuisance to commercial and sport fishers because they steal bait, mutilate catch, damage nets and other gear and may bite when handled.A lot goes into an impressive bite. Piranhas occasionally bite and sometimes injure bathers and swimmers, but truly serious attacks are rare and the threat to humans has been largely exaggerated. In recent decades, dried specimens have been marketed as tourist souvenirs. Piranha fish are commonly consumed by fishermen and frequently sold for food in local markets. Piranha fish are also a popular food, though if caught on a hook or line it may be attacked by other piranhas. Locals use the teeth of piranha fish in tools and weapons. While piranha schools can reach over a thousand in count and bites do happen, there are no documented reports of someone being killed in a piranha attack. Stories about schools of piranhas turning horses or people into skeletons within seconds are the result of numerous re-tellings and exaggerations over the years. While many humans fear these fish, there are thousands of natives that swim in the same bodies of water with these fish and go unharmed. However, Piranhas have bitten people who put their hands in an aquarium full of Piranhas. Reports of Piranhas biting people in their native habitats are rare, so the danger of Piranhas is exaggerated. Piranhas have no special status on the IUCN Endangered Species Red list. Females are most fertile during the rainy season in April and May. The piranha fish parents protect both the eggs and their brood. The eggs hatch after two to three days, depending on the temperature of the water. The eggs will then be fertilised by the male. These are around 4 or 5 centimetres in depth and 15 centimetres in diameter. The female lays clusters of eggs into a bowl shaped nest created in the sediment. The pair will defend their spawning territory and prepare a nest not unlike the breeding behaviour of birds. Piranhas will change color during spawning with the red belly Piranha fish getting more intense and the whole piranha becoming slightly lighter. The breeding environments of piranhas tend to be main bodies of water such as lagoons. Piranhas reproduce by laying groups of eggs in rivers and lakes. Many animals prey upon piranhas (especially young piranhas), including other piranhas, caimans, water snakes, turtles, birds, otters and people. Recent research, however, suggests that this is actually used as a defence mechanism against the piranhas natural predators. This conception was created from the past belief that piranhas created schools for hunting purposes. The piranha fish is commonly portrayed and known as a vicious species of fish hunting in large schools. Their teeth are tightly packed and interlocking (via small cusps) and used for rapid puncture and shearing. When one is broken off, a new one grows in its place.Īll piranhas have a single row of sharp teeth in both jaws. Piranhas have a bulldog-like face with a very large lower jaw and many razor-sharp teeth. ![]() Piranhas are normally about 15 to 25 centimetres long (6 to 10 inches), although reported individuals have been found to be up to 41 centimetres (24 inches) in length. ![]() Piranhas range in color from yellow to steel-grey to bluish to partly red to almost black. The total number of piranha species is not known and new species continue to be described. Although Piranhas are omnivorous, they are known for their sharp teeth and an aggressive appetite for meat. Piranha Fish belong to the genera ‘Pygocentrus’ and ‘Serrasalmus’. Piranha Fish have been introduced to other places, including Northern Brazil, Hawaii, parts of the Central and North America. It is native to warm rainforest lowland streams and lakes in South America – the Orinoco river basin in Venezuela, in the Orinoco River and east of the Andes Mountains, up to the Paraná River in Argentina. The Piranha Fish (also known as the ‘caribe’ in Venezuela) is a ferocious, schooling, fresh-water fish.
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