A bounty of $100 is being offered for every black carp caught in Oklahoma to help save endangered species of aquatic life.

The live red swamp crayfish trapped in Pond 20 at Wolf Lake Hatchery. Despite its dark color, the raised red bumps on its ...

Hatchery staff found two carcasses of "unusual crayfish" after draining a pond at Wolf Lake State Fish Hatchery in Mattawan.

The DNR says an invasive red swamp crayfish in an outdoor pond at the Wolf Lake State Fish Hatchery in Van Buren County.

DNR officials say they discovered both live and dead invasive crayfish at a state hatchery and are taking steps to track the infestation.