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A piranha or piraña (/ p ɪ ˈ r ɑː n j ə ˌ-r æ n /, or / p ɪ ˈ r ɑː n ə /; Portuguese: [piˈɾɐ̃ɲɐ], Spanish:) is any of a number of freshwater fish species in the family Serrasalmidae, [1] or the subfamily Serrasalminae within the tetra family, Characidae [2] in order Characiformes.
Populations of large predatory fish in the global oceans were estimated to be about 10% of their pre-industrial levels by 2003, [1] and they are most at risk of extinction; there was a disproportionate level of large predatory fish extinctions during the Cretaceous–Paleogene extinction event 66 million years ago. [2]
A carnivorous fish, it will eat any small fish and invertebrates it comes across. [2] Cannibalism has been recorded. [ 1 ] According to the index of abundance the preferred food items in guts were recorded as; fish (44.75%), semi digested food (22.46%), insect (12%), debris & detritus (6.78%), crustacean (5.93%), fish scale (4.76%), fish egg (1 ...
Bear in mind that a saltwater aquarium is more expensive and difficult to set up and maintain than freshwater even if you chose one of the best fish tanks. Some of the fish, too, can fetch eye ...
Some carnivorous and omnivorous farmed fish species are fed wild forage fish. Although carnivorous farmed fish represented only 13 percent of aquaculture production by weight in 2000, they represented 34 percent of aquaculture production by value. [100] Farming of carnivorous species like salmon and shrimp leads to a high demand for forage fish ...
These fish are best kept with live or frozen feed and they easily outgrow the tank within eight to ten months. An aquarium with the minimum diameter of 6 by 3.5 feet (1.8 by 1.1 m) and 300 US gallons (1,100 L; 250 imp gal) is suggested as a bare minimum but 400–800 US gallons (1,500–3,000 L; 330–670 imp gal) is the best way to go. [ 9 ]