Is Pacu fish a piranha?

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, unlike piranha, mainly feed on plant material and not flesh or scales.

Does pacu fish need oxygen?

Keeping your Pacu too warm for long periods of time will result in Oxygen deprivation, which can cause nerve damage, heart damage, and can seriously hamper the immune system. Keeping them too cool or exposing them to sudden chill can also hamper their immune system.

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