What are the common diseases of clownfish? Learn to tell by eye whether they are sick
1. The fish stays in the bottom corner of the aquarium and refuses to eat at all; this may be shock caused by a rise in NO2 leading to deteriorating water quality, or by trauma, or an ongoing case of white spot disease.
2. The fish keeps rubbing its body against the aquarium glass or the decorative stones inside; possible diseases: white spot disease, parasites, etc.
3. Small white spots as numerous as pinpricks appear on the body and fins and gradually spread; this may be "cauliflower disease."
4. The caudal fin looks as if it is about to fall off; this may be fin rot or caudal fin disease.
5. Rapid breathing; this may be caused by deteriorating water quality due to a rise in NO2, white spot disease, or copper sulfate shock.
6. Bulging eyes; this is exophthalmia.