How do I know when my fish is going to give birth?
To accommodate the developing eggs, the mother’s body expands, becoming deeper and broader. A few days before delivery, she develops a bulge below the gills, her outline becoming fairly square in this region, while the gravid spot has enlarged its area.
Is my fish pregnant or fat?
Carrying Eggs – One reason your fish may appear slightly bigger is because it is carrying eggs. If your fish is a female, is not overly fat, and is normal in most other regards, this is a very high possibility. Another indication is if your fish has an enlarged vent; this is where the eggs will come out.
Why has my fish got a big belly?
This could be caused by a number of things, such as a swim bladder problem, constipation or an internal infection. ✔ Make sure that the water quality is pristine (test for ammonia and nitrite using King British 6 in 1 Water Test Strips), and the dissolved oxygen is high (by ensuring good aeration).