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black worms

  1. fish all dead, have black worms in tank now.

    Tropical Fish Diseases
    any help is appreciated. I have had an established aquarium with one electric blue african ciclid for over a year. a few weeks ago i added another and things were going good so i bought another (orange african ciclid). it did not fair well against the others and was huddeling a lot. 2 days later...
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