Fear is good, one has to win, to get love:
"The Piranha does engage in a feeding frenzy that will "make the water boil" if only because a hungry school of fish are trying to reach the same limited food source. All that activity is bound to create water turbulence. A Piranha school generally only consists of about 20 or so fish, but in a feeding frenzy it can reach up to several hundred..
Piranhas are not always that deadly. Many species live solitary lives once they reach maturity and only four or five species pose any significant danger. Piranhas rarely attack people. Many experts believe they are actually timid fish, and shoal for protection. Even the most aggressive are thought to be not really dangerous until they are trapped and confined, and then attack in self defense. As a pet they are fascinating and beautiful fish, yet you can't hold or pet them.
They are not affectionate and owners must be extremely careful, especially when handling them. They do have sharp teeth and an aggressive/defensive nature. Most Piranha bites are sustained when the fish are being handled, though that's not to say a hungry fish is never dangerous.
Even when first hatched these tiny little fish have incredibly sharp teeth capable of searing anything they bite into small pieces. At first the young feed on tiny crustaceans found in the water and they also feed on fruits, seeds and aquatic plants. As they grow, so do their dietary requirements. They join schools of piranhas for the more readily available food that comes from hunting as a pack, but they also congregate in groups for protection from those that would prey on them.
Yes, Piranhas are themselves also prey! They are a favorite food for the Payara or Vampire Tetra Hydrolycus scomberoides, as well as other predatory fish. Herons, Caimans and other critters also prey them upon during the dry season as their pools of water are shrinking. However these fish have no social conscience and the young can become a quick snack for a more tenacious adult Piranha. This is especially true if they look like they don't fit in with the group. Some Piranha species will practice "mimicry" when young, imitating the adults of another species just to find safe haven in their shoals until they mature enough to venture out on their own.
Also see the Red Belly Piranha profile:
Red-bellied Piranha, Pygocentrus nattereri
"The Piranha does engage in a feeding frenzy that will "make the water boil" if only because a hungry school of fish are trying to reach the same limited food source. All that activity is bound to create water turbulence. A Piranha school generally only consists of about 20 or so fish, but in a feeding frenzy it can reach up to several hundred..
Piranhas are not always that deadly. Many species live solitary lives once they reach maturity and only four or five species pose any significant danger. Piranhas rarely attack people. Many experts believe they are actually timid fish, and shoal for protection. Even the most aggressive are thought to be not really dangerous until they are trapped and confined, and then attack in self defense.
Also see the Red Belly Piranha profile:
Red-bellied Piranha, Pygocentrus nattereri"
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