Relatively calm and low maintenance, these freshwater crayfish are an increasingly popular choice for aquariums.

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. Though ...

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.

Ecologists fear protected 'no-take' freshwater crayfish are being poached for food or sold as aquarium pets.

Scientists bought popular clawed, colorful animals from pet trader and discovered new species from Indonesia: dusty crayfish, study said.

Scientists bought popular clawed, colorful animals from pet trader and discovered new species from Indonesia: dusty crayfish, study said.

Scientists bought popular clawed, colorful animals from pet trader and discovered new species from Indonesia: dusty crayfish, study said.

Far from its home in Indonesia, a brightly colored creature moved around in an aquarium. Scientists peered into the tank, studying their pet-turned-specimen — and discovered it was a new species.

Scientists bought popular clawed, colorful animals from pet trader and discovered new species from Indonesia: dusty crayfish, study said.