Betta Diseases
Below is a list of common Betta fish diseases and the symptoms of each. It's important to note that all of the diseases listed below are caused primarily by inadequate tank conditions. If you maintain a health tank, then your Betta is unlikely to get sick.
Name |
Frequency |
Symptoms |
| Constipation | Common | Bloated stomach, won't eat (due to overfeeding) |
| Dropsy | Uncommon | Bloated body and eyes |
Fungus |
Common | Fluffy, white, cotton-like growths on body and/or fins. |
| Fish Lice | Uncommon | Round parasites attached to skin |
| Fin Rot | Common | Torn or ragged fins |
| Gill Parasites | Uncommon | Scratching itself on aquarium objects Strange swimming patterns Breathing problems |
| Ich | Common | Small white spots on body and/or fins |
| Mouth Fungus | Uncommon | Patchy skin or cotton-like growths on mouth |
| Parasites (intestinal) | Uncommon | Worms are visible through skin |
| Pop Eye | Uncommon | Protruding eye(s) |
| Swim Bladder Disease | Uncommon | Swimming sideways or in some other abnormal way |
| Septicimia | Uncommon | no energy, won't eat, red (blood) streaks on fin and body |
| Slime Disease | Common | Grayish slime on body and/or fins Scratching on aquarium objects |
| Tuberculosis | Uncommon | Colors have dulled Pop eye (sometimes) Constricted Fins Transferable to humans |
| Velvet | Common | Gold or grayish color on body or fins. |