A cockroach is an insect belonging to the order Blattodea. They are known for their flat, oval bodies and long antennae. Cockroaches are typically brown or black and can be found in various environments, often preferring warm, dark places. They are omnivorous, feeding on a wide range of organic materials. Cockroaches are resilient creatures, capable of surviving in harsh conditions. They can live for weeks without food and are known to reproduce quickly. There are over 4,500 species of cockroaches, but only a few are considered pests that invade homes, such as the German cockroach and the American cockroach.