Signs a betta fish will die?

* Loss of appetite. Bettas that are about to die often stop eating. This can be due to a variety of factors, including illness, stress, or old age.

* Lethargy. Bettas that are about to die often become lethargic and inactive. They may spend most of their time lying on the bottom of the tank or floating at the surface.

* Discoloration. Bettas that are about to die may experience discoloration of their skin, fins, or eyes. This can be due to a variety of factors, including illness, stress, or old age.

* Fin rot. Fin rot is a common disease that can affect bettas. It is caused by a bacterial infection that can spread quickly and cause the fins to rot away. Fin rot can be fatal if left untreated.

* Dropsy. Dropsy is a condition that causes the body of a betta to swell up with fluid. It can be caused by a variety of factors, including bacterial infections, kidney failure, or liver disease. Dropsy is often fatal.

* Popeye. Popeye is a condition that causes the eyes of a betta to bulge out of their sockets. It can be caused by a variety of factors, including bacterial infections, viral infections, or injuries. Popeye can be fatal if left untreated.