Females will often become more aggressive and territorial as they near the end of their pregnancies. They may also start to build nests for their eggs.
If you see a female catfish swimming around with a large belly, it’s likely that she is pregnant.
Many catfish owners may not even know that their pet fish can get pregnant. If you have a catfish and are not sure if it is pregnant, there are some signs you can look for.
Catfish typically become more round when they are pregnant and may start to lose their appetite. If the catfish is eating, it will likely start to eat more than usual.
You may also see the female release eggs in the tank. If you suspect your catfish is pregnant, it is best to take her to a veterinarian for confirmation and care.
When a female catfish is ready to spawn, she will release pheromones in the water that let the males know she is ready to mate.
The males will swarm around her and deposit their sperm packets on her body.
If you are trying to determine if a catfish is pregnant, you can look for signs of spawning behavior.
If the fish is swollen with eggs and has a dark spot on her belly, she is likely pregnant.