Crayfish are also known as crawfish or crawdads. Looking through the aquarium pets, the team found several brightly colored and familiar-looking crayfish, the study said. These animals had been ...

Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks and Wildlife. This is the first time the ...

Colorado Parks and Wildlife (CPW) confirmed the presence of rusty crayfish in the West Fork Little Thompson River. CPW said it is the second time the species has been identified east of the ...

Rusty crayfish, an invasive species, has been discovered in the Little Thompson River in Larimer County, Colorado. This aggressive crayfish, known for its big appetite and rapid reproduction ...