Pirahnas Question

Discussion in 'Piranha' started by miker7, Mar 28, 2010.

  1. miker7New MemberMember

    I bought 5 red belly pirahnas at the same time, only 3 are growing why?
    Do They eat their own?
    Last edited: Apr 11, 2010
  2. ElodeaWell Known MemberMember

    Welcome to Fishlore!

    Are they in the 20 gallon in your aquarium info? Then they aren't growing because the tank is very overstocked. 1 pirahna grows huge and needs a 55 gallon tank minimum, 5 need a 180 gallon tank or so. Here's the care sheet for them: https://www.fishlore.com/Profiles-Piranha.htm

    I suggest you hurry and either rehome them to a larger aquarium or give them away, as a 20 gallon tank is far too small.

    Do you know about the nitrogen cycle? Click this link, it is important reading. Also, may I ask if your tank is cycled? This water chemistry is essential to success in fishkeeping.

    Good luck with the piranhas!
    Last edited: Mar 28, 2010
  3. ElodeaWell Known MemberMember

    White algae? Is it growing on the glass or on the piranhas?

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