Piranha
Piranha
Piranha (/pɪˈrɑːn.jə/, /pɪˈræn.jə/ or /pɪˈrɑːn.jə/; Portuguese: [piˈɾɐ̃ɲɐ]), also known as caribes (Spanish: [kaˈɾiβes]), are a group of carnivorous fish species that inhabit freshwater rivers and streams in South America.
Etymology
The word "piranha" is derived from the Tupi-Guarani languages of South America. The exact etymology is unclear, but it is believed to combine the words 'pira' meaning 'fish', and 'sanha' or 'ranha', meaning 'tooth'.
Description
Piranhas are known for their sharp teeth and aggressive feeding habits. They have a single row of sharp teeth in both their upper and lower jaws. These teeth are used for puncturing and shearing flesh.
Behavior
Piranhas are carnivorous and are known for their aggressive feeding behavior. They are also known to exhibit pack behavior, where they hunt and feed in groups.
Species
There are over 60 recognized species of piranha, including the red-bellied piranha (Pygocentrus nattereri) and the black piranha (Serrasalmus rhombeus).
Related Terms
- Carnivore: An animal that feeds on flesh.
- Fish: A limbless cold-blooded vertebrate animal with gills and fins living wholly in water.
- Teeth: Hard, calcified structure found in the jaws of many vertebrates.
External links
- Medical encyclopedia article on Piranha
- Wikipedia's article - Piranha
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