Dytiscidae
The Cybister can be eaten by humans. In Mexico, C. explanatus are roasted and salted onto tacos. In Japan, C. japonicus is used as food. In Guangdong Province, China, several species are eaten. The great diving beetle (Dytiscus marginalis) are bred for human food. Dytiscidae have been eaten in Taiwan, Thailand, and New Guinea. Birds and other small mammals eat Dytiscidaes.