Favorite live foods include black worms, tubifex worms, brine shrimp, and microworms. These little vacuum cleaners are known for their cleaning abilities. They will eat leftover foods. Panda cories do not eat fish feces and other waste like some people believe. Sexing Females are larger and fuller.
Males are noticeable smaller.
It helps to view them from above. The female will be noticeably wider. If you catch them breeding, you can be sure of their sexes. The female will be the one carrying the egg around. Small currents in the tank also help.