Scientists have described a new species of colorful crayfish—and it might already be sitting in your aquarium. The ...

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.

Crayfish, crawfish and crawdad are all the same animal, but they’re called different names in different regions. The Australian redclaw crayfish are much larger than the species native to the U.S.

Dusty crayfish are “moderately-sized,” reaching over 4 inches in length, the study said. ... The “purple form” crayfish have turquoise bodies dotted with purple spots.

Dusty crayfish are “moderately-sized,” reaching over 4 inches in length, the study said. ... The “purple form” crayfish have turquoise bodies dotted with purple spots.

Rusty crayfish haven’t been found in many parts of western Pennsylvania where there are rare native crayfish species the agency wants to protect. They have, however, been found in Lake Erie and ...

The Panama City Crayfish is an endangered species of crawdad that only lives here in Bay County. Its been in some hot water, not the cooking kind.

These crayfish–also called crawfish or crawdads–are native to New Guinea. Their cool hues have made them popular aquarium pets in Europe, Indonesia, Japan, and the United States over the past ...

The Australian redclaw crayfish, an aggressive crustacean native to northern Australia and Papua New Guinea, has been spotted in South Texas. To stream KHOU 11 on your phone, you need the KHOU 11 app.

The crayfish could expand to 100% of the lakeshore within the next two years. Impacts on Crater Lake's clear water The newts aren't the only thing at risk at Crater Lake.

The crayfish's dotted exoskeleton gave it its Latin name pulverulentus, which means "dusty." Jiří Patoka This recent find coincides with another crayfish discovery: Two other species were newly ...