Dropsy
He died of "dropsy of the chest" at an old age, at home. "Dropsy" was what they used to call heart disease, so he likely died of a heart attack or perhaps congestive heart disease.
To my knowedge there is no proven cure for dropsy. Some pet shops carry medications that 'claim' to cure almost every disease and problem including dropsy but I have never heard of them working successfully on dropsy. I would euthanase the fish.
J. D. Zelenka died of dropsy [Oedema] on 23 December, 1745.
Dropsy is the former name for oedema
From what they called 'Dropsy' what we know of today as Edema. A painful accumulation of fluid that causes severe swelling.
Most types of fish can get dropsy, although in my experience, it is more common in live bearers and tetras.
In a fish, dropsy is fluid buildup. This fluid retention can be a symptom of a serious problem, such as a type of infection.
Dropsy
swelling or edema
Julia Reinhart died on August 30, 1924, in New York City, New York, USA of dropsy.
Jean Baptiste Emile Dropsy was an Art Nuveau jewely engraver....died in 1928. His work was exquiste!