The PACU FISH, which closely resembles the piranha, is a tropical fish of the family Serrasalminae. The only differences of this fish from their cousins are their teeth which are square as opposed to the piranha’s pointed and sharp ones. Both these fish are characids or, as they are often referred to, tetras. Increase your knowledge about interesting tropical fish facts. Below are more amazing facts about pacu fish.


  • Pacu fish description


Pacu fish have large eyes and flat, round bodies with an arched back. They grow up to 12-24 inches but some specimens have been known to grow up to 30 inches and weigh over 50 lbs. In an aquarium setting, the pacu’s growth rate is stunted and it does not grow as large as in open spaces. These fish live up to 15 years or more.

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