Octodan

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About Octodan

  • Rank
    New Member

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  • Location
    Hawaii

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  • Interests
    Aquaponics, tilapia, knowledge sharing
  1. Just noticed one (out of 100) of my blue tilapia is now much darker at the back 1/3 tail-end of his body. Growing and eating fine. They are approximately 1 month old and in a 500 gallon tank. Is this a sign of disease? Thanks.