A piranha or piraña (/pɪˈrɑːnjə/, /pɪˈrænjə/, or /pɪˈrɑːnə/; Portuguese: [piˈɾɐ̃ɲɐ], Spanish: [piˈɾaɲa]), a member of family Serrasalmidae, or a member of the subfamily Serrasalminae within the tetra family, Characidae in order Characiformes, is a freshwater fish that inhabits South American rivers, floodplains, lakes …

marauder, predator, vulture, piranha(noun) someone who attacks in search of booty.

“Piranha” is a Portuguese rendering of a Tupi word referring to a sharp-toothed fish with an unfortunate reputation. The correct pronunciation of this word is something like /pɪˈɹɑːnjə/.

They’ll bite into prey, but then they’ll thrash from side-to-side and tear away a large piece of meat. In piranhas, neighboring teeth lock together so the teeth literally form a continuous saw-like cutting surface.

So, do Piranhas eat their young? In short, yes, the aggressive Piranha species will eat their young. Although, not the preferred meal, they will turn on young Piranha during times of food scarcity which happens during the dry season. During the wet season there are plentiful insects, worms and fruits.

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Red-bellied piranhas have a lifespan of 10 years or more.

For this reason, the number of Red-Bellied Piranha is always meant to be around 3 to 4 fish, no matter what the size of the aquarium. However, each fish should be given approximately 20 gallons of its own space. Thus, up to 4 Red-Bellied Piranha are thought to be good for a 75 gallon tank.

There both from the same native waters and can both live together peacefully. The piranhas however are notorious for getting hungry and attacking their tankmates.

rbp arent schooling fish, they are loosly shoaling fish. the diff is they are inherently solitary and stay with a group for protection/feeding advantages. they are fine to keep alone.

It is LEGAL to own piranhas in some states including Michigan, New Hampshire, Delaware, Illinois, Indiana, Iowa, Kansas, Maryland, Minnesota, Missouri, Montana, Nebraska, New Jersey, North and South Dakota, Oregon, Pennsylvania, Rhode Island, Tennessee, Vermont, West Virginia, Wyoming and Wisconsin.

Get an aquarium of at least 25 gallons for one piranha or 60 gallons for four piranhas to properly house them. Buy a tank that corresponds with the number of piranhas you’ll have. For example, if only want two animals, a 40 gallon tank should be enough space for them.

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Turning black is a sign that their sexual mature n are on their way to spawning, it doesn’t say they will. A lot of factors depend if they do or not, most of which you can control or do to help them out.

Bottom Line. The one-inch-per-gallon rule still applies, so be sure that you do not exceed 55 inches of fish in a 55-gallon tank. This roughly equates to four or five bottom-dwelling fish along with a couple algae eaters.

Behavior/Compatibility for Piranhas Some experts recommend keeping them individually or in groups of 5 or more to avoid cannibalism. They can be shy and a bit skittish, especially when kept singly or when they are first introduced into an aquarium.

Piranhas are aggressive, territorial freshwater fish with sharp teeth; they are native to South America. There are about 20 known species, and the fish are illegal or restricted in 25 U.S. states because of the danger they can pose to people. (Watch: “World’s Deadliest: Piranhas Devour Chick.”)

Piranha do not eat each other in preference. They are skittish, timid fish, and they stay in a state of fear from attack from their fellow Piranha fish. In an aquarium, where the fish might be close in proximity, they are more likely to attack each other as they protect their territory.

20 gal is to small for even one piranha! At least 55 gal for one or 100+ gal .