Electric fish are a diverse group of species that can generate electric fields. They use these electric discharges for navigation, communication, and hunting. Common examples include the electric eel and knifefish, which inhabit freshwater environments in South America and Africa. These fish possess specialized cells called electrocytes that produce electric charges. The strength and type of electric signal can vary widely among species, allowing them to interact with their environment and other fish. Electric fish play important roles in their ecosystems, contributing to both predator-prey dynamics and social interactions.