Fishy tales from the Aquarium

Caused by the parasite Flexibacter columnaris, and also known as Cotton mouth disease (or Cotton-Wool or Cotton-Mouth or Flexibacter or Mouth Fungus), this is a deadly disease which needs quick action. The bacteria are most likely to infect fish that have been stressed by such conditions as poor water quality, inadequate diet, or handling and [...]

Probably the most common aquarium fish parasite, Ichthyophthirius multifiliis, causes the disease known as Ich or white spot in freshwater aquarium fish. Marine ich is caused by a different ciliate, Cryptocaryon. Literally translating into “fish louse with many children,” each parasite can beget over a thousand offspring. Though the disease it causes can be likened [...]