How do you know if your female convict fish is pregnant?

There are several signs that may indicate that a female convict fish (Amatitlania nigrofasciata) is pregnant:

1. Swollen Belly: The female convict fish's belly may appear swollen and round, especially in the lower abdomen. This is due to the developing eggs inside her body.

2. Dark Spot on the Belly: Female convict fish may develop a dark spot or patch on their belly near the pelvic fin. This is called a "gravid spot" and it indicates the presence of developing eggs.

3. Behavioral Changes: Pregnant convict fish may exhibit behavioral changes such as increased aggression towards other fish, particularly males. They may also become more territorial and protective of their territory.

4. Hiding or Isolating: Pregnant female convict fish may seek hiding places or isolate themselves in a corner of the tank. This behavior is a way for them to protect themselves and their developing fry.

5. Increased Appetite: Pregnant convict fish may have an increased appetite as they need more nutrition to support the growth and development of the fry.

6. Chasing Away Males: Pregnant convict fish may chase away males, as they may not be receptive to mating during this period.

It's important to note that not all pregnant female convict fish will exhibit all of these signs. If you suspect your female convict fish is pregnant, provide her with a safe and comfortable environment, such as a breeding box or a separate tank, to ensure the successful development and survival of the fry.