Also remember, the betta fish stomach is only the size of their eyeball and it takes these fish literally And when you over feed your fish and that food gets "spit out" it sinks to the bottom of your tank and... It's important to know what fish can live with bettas. This article provides a 'must know' checklist and examples of the best betta fish tank mates. Dropsy in betta fish is not a disease itself, but rather a secondary symptom of another problem going on internally. Read more on proper betta fish food and feeding here . Dropsy Symptoms.

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