sera guide - Healthy aquarium fish

11 Checklist When was the disease first noticed?1144 Which symptoms did you observe?1155 Which fish are affected (old ones, young ones, a specific species)?1166 Did you notice anything else that is unusual?1188 How severe is the disease? (Do the fish eat? Have some already died? etc.)1177 ium (e.g. did you paint the walls or spray an insecti- cide)? E.g. on the plants or other water inhabitants, or did you carry out unusual activities in or near the aquar- 67