An increase in parasites in the aquarium is the most common cause but severe stress, old age, or malnutrition can all lead to this condition. [tropicalfishsite.com]

Treatment For Fin Rot A fish affected by fin rot is a fish that is already battling stress, malnutrition or another disease. [aquariumtricks.com]

Clinically it appears like hyperkeratosis skin. Apply lots of moisturising lotion and vit E on the hands. Place protective covering or bandages over the sore to decrease friction on the skin until the sore heals. [medhelp.org]

The proposition presented with HDL deficiency and corneal opacity. [ncbi.nlm.nih.gov]

Symptoms of FLD include nephropathy, renal insufficiency, proteinuria, hematuria, anemia and cloudy corneas. Cholesterol metabolism in the plasma is significantly altered resulting in increased cholesterol to cholesterol ester ratios. [grantome.com]