The red swamp crayfish is a physical ecosystem engineer – known for constructing burrows with a single opening that can accommodate up to two crayfish. These crayfish are opportunistic omnivores eating anything from insects, to other crayfish, mollusks, and even fish. This species has a fairly short life cycle, and is sexually mature in as little as two months. Females can produce up to 700 eggs at one time, depending on her size, water temperature, and population density! They have no specific