Scientists have described a new species of colorful crayfish—and it might already be sitting in your aquarium. The researchers detailed their discovery in the journal Zootaxa last week.

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 ...

Get Instant Summarized Text (Gist) Fossilized jaw molars reveal that giant freshwater crayfish, up to 25 cm long, inhabited New Zealand 20 million years ago. These molars, unlike the rest of the ...

The Black Creek crayfish is colorful, with a black carapace, a white or yellow dorsal stripe and a rust-colored abdomen with black stripes. The species occupies a small range in the lower St. Johns ...

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 ...

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 ...