Betta fish are a better bet as pets than goldfish. Most kids have this experience with goldfish after a few days: Moby is found floating at the top of the bowl, then gets a one-way tour of a toilet’s ...

Sick betta fish can show various signs. They may appear bloated and not able to rise to the water’s surface. They may have spots on their body or ragged fins. If the gills are infected or inflamed, ...