There are two possible explanations for your frog’s sudden weight gain: they are either getting ready to lay eggs or are getting fat. Okay, so you might be worried about bloating if your frog appears to be getting particularly big and fat.
The African dwarf frog is susceptible to the bloating condition known as dropsy, which can be a symptom of the disease. Milder manifestations, such as simple bloating, might also trigger this condition.
Frogs kept as pets can suffer from a condition known as dropsy, which is characterized by extreme abdominal distention. The accumulation of fluids in your frog’s body is what has caused its stomach to appear distended. It’s possible that this fluid suddenly arrived overnight, making your frog quite uneasy.
Your frog is probably bloated and not carrying eggs if its body is getting unusually round and fat, almost like a balloon about to pop. An actual egg-bearing female might look like a box of marbles. The individual eggs may be seen, too.
Even though pregnant African dwarf frogs still eat, they need a smaller caloric intake than they would have otherwise. African dwarf frogs with inflated bellies, on the other hand, are unlikely to take in any food. While conditions like dropsy, which causes extreme swelling, are incurable, milder cases of bloat are treatable.
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There may be a variety of factors that lead to swelling. To put it simply, if your African dwarf frogs’ bellies expand without the laying of eggs, it’s because they were caught off guard.
Keep in mind that for African dwarf frogs to start producing eggs, specific parameters (variations in water level and temperature) are required. In addition, the tank must have males. If neither of these things is happening or has happened, then your frog is probably constipated and not pregnant.