Joe Robinson can be reached at joe. The upper layers have a high mineral content, making them hard but brittle. Adults have a single row of interlocking teeth lining the jaw. Subscribe Top Menu Current Issue. Video Ingenuity Awards.
Use this form to email 'Piranha' to someone you know: Palhares said many of the survivors testified to warning the captain his boat was leaking shortly after it left the city of Santarem, miles and nine hours downstream. View author archive Get author RSS feed. Piranhas have an aggressive image as flesh-eaters, able to dilacerate a human body in seconds. Click on the "Next" label to see 10 of the animal world's scariest creatures.
I would be interested to know if most or all these shark victims are surfers or swimmers or both. Thousands were cooling off from degree temperatures when the attack happened [AP]. Like all pythons they are not venomous but are powerful snakes. Christmas Day was unusually hot in Rosario — about degrees Fahrenheit — and people were crowding into the river. The Laughing Kookaburra is not native to WA. It is true that many humans have lost a finger or toe to piranhas, but death is highly unlikely, despite many people swimming in piranha-infested waters in South America on a regular basis.
The triangular top teeth clamp down squarely into gaps between the lower teeth, a design not made for tofu. But it would take several big predators — or even more, smaller predators — to be responsible for the carnage that ensued after the boat sank. Piranhas' closest relative, the pacu or tambaqui fish Colossoma macropomum , also lives on a mostly meat-free diet. Piranhas attack other fish and tear chunks out of their fins and fin bases. But Luis Suarez is hardly the most feared biter in South America.