Pacu vs. Piranha — What's the Difference?
Pacu is fish related to piranhas but mainly herbivorous, known for human-like teeth. Piranha is carnivorous fish, sharp-toothed, often portrayed as aggressive.
Difference Between Pacu and Piranha
Table of Contents
Pacu: Herbivorous, mostly eats plants. Piranha: Carnivorous, preys on other fish.
Herbivorous, mainly eats plants
Carnivorous, preys on other fish
Prominent human-like teeth
Sharp teeth for hunting
Often considered aggressive
Smaller in size
Found in slower-moving waters
Thrives in faster-flowing rivers
Compare with Definitions
Herbivorous fish with human-like teeth.
The pacu in the Amazon River are known for their unique teeth.
Carnivorous fish with sharp teeth.
Piranhas are famous for their sharp teeth and hunting behavior.
Usually peaceful and not aggressive.
Pacus are commonly found peacefully feeding on aquatic plants.
Often portrayed as aggressive predators.
The movie depicted piranhas attacking in a frenzy.
Pacu (Portuguese pronunciation: [paˈku]) is a common name used to refer to several species of omnivorous South American freshwater serrasalmid fish that are related to the piranha. Pacu and piranha do not have similar teeth, the main difference being jaw alignment; piranha have pointed, razor-sharp teeth in a pronounced underbite, whereas pacu have squarer, straighter teeth and a less severe underbite, or a slight overbite.
A piranha or piraña (, , or ; 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 and reservoirs. Although often described as extremely predatory and mainly feeding on fish, their dietary habits vary extensively, and they will also take plant material, leading to their classification as omnivorous.
Any of several South American freshwater fishes related to the piranha.
Any of various tropical American freshwater fishes of several genera, especially Serrasalmus and Pygocentrus, that have sharp teeth and are known for attacking and feeding on live animals. Also called caribe.
A South American fresh-water fish (Myletes pacu), of the family Characinidæ. It is highly esteemed as food.
(ichthyology) Any of the carnivorous or frugivorous freshwater fish living in South American rivers and belonging to the subfamily Serrasalminae.
Someone who attacks in search of booty
Small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals
Can pacus be kept in home aquariums?
Yes, but they need a spacious tank due to their size.
Are piranhas found in the Amazon River?
Yes, they are native to South American rivers, including the Amazon.
Do piranhas attack humans?
Piranha attacks on humans are rare and usually not fatal.
Are pacus dangerous to humans?
Generally not, although their powerful bite can cause injury.
What do pacus eat in the wild?
They primarily feed on aquatic plants and fruits.
Are piranhas solitary or school together?
They often form groups, or schools, for hunting and protection.
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