| Symptoms | Disease | Solution |
| Fish appears bloated to the point of bursting. Scales become raised and stick out. The anus is often inflamed. Commonly occurs with popeye (see below) | Dropsy | KanaPlex Focus |
| Eyes protrude or appear to be popping out of their sockets. | Popeye | Focus KanaPlex NeoPlex |
| Fins appear shredded, frayed, or decaying. | Fin & Tail Rot | ParaGuard NeoPlex Sulfathiazole KanaPlex PolyGuard |
| Thin white or gray threads appear; these build up their mass until they appear like patches of cotton. | Fungus | ParaGuard NeoPlex KanaPlex Sulfathiazole PolyGuard |
| Streaky or blotchy reddening appearing on the fins near the body or under the scales. | Bacterial
Hemorrhagic Septicemia |
NeoPlex Sulfathiazole KanaPlex |
| Holes that widen the sensory pores in the heads of large fish | Hexamita/ Hole-in-the-head Disease |
Metronidazole ParaGuard (dip) |
| Ick: The fish appears sprinkled
with grit or coarse sand. Fish rub against hard objects to free themselves
of the parasite. Velvet: Surface appears dull and in heavy infections, the fish takes on a yellowish or yellow-brown velvety texture. |
Ick (Ichthyopthirius, cryptocaryon) and Velvet (Oodinium, etc.) |
Cupramine Metronidazole AquaZole ParaGuard PolyGuard |