A rescue mission was launched to take the aquatic animals to a safe location.

Scientists in New Zealand said Tuesday they have discovered a new species of "ghost shark", a type of fish that prowls the Pacific Ocean floor hunting prey more than a mile down. Researchers have ...

Crustaceans exhibit a remarkable diversity of reproductive strategies, ranging from broadcast spawning in pelagic shrimps to elaborate brooding in clawed lobsters and land crabs. Sexual maturity is ...

Crossbreeding between 2 non-native, invasive crayfish species has been found in the Juniata River basin of central Pennsylvania, raising concerns that the hybridization could help the invaders gain an ...

To the scientists and ecologists working to save them, Australia's Euastacus crayfish species are fascinating, living relics ...

This story originally appeared on The Guardian and is part of the Climate Desk collaboration. Small, bluish-gray, and speckled, the marbled crayfish would be easy to overlook. Except for the fact it ...

If you liked this story, share it with other people. An unusual invasive crayfish has been spreading in Madagascar, threatening aquatic biodiversity even as it helps nourish the country’s ...