Lacunicambarus chimera, or the Crawzilla crawdad, is a species of cambarid crayfish endemic to the U.S. states of Illinois, Indiana, Kentucky, Missouri, and Tennessee.

[1] The overall main body is predominantly olive, yellow-green, or golden in color, with the tail fan fading into a soft periwinkle.

The legs and the bottom side of the body range from a light blue or white to a soft cream in color.

[1] Burrows of L. chimera are commonly found in fine-grained soils along the floodplains of streams and rivers and in roadside ditches.

[1] Lacunicambarus chimera is an opportunistic omnivore, readily consuming earthworms, snails, and leaf litter in streams.