turgescence

scleral fibroblastic nuclear chromatin pyknosis, rough endoplasmic reticulum distention, mitochondria turgescence;

膜纤维细胞核染色质固缩、粗面内质网扩张、线粒体肿胀;

Symptom：ailing fish's boby turns black, abdomen dropsy,there are erythemas nearby. Anus become red and turgescence, extrudes out.

症状：身体发黑、腹肿大，两侧有红斑，肛门红肿外突。