The Carolina Madtom is a federally endangered species endemic to the Neuse and Tar River Basins in North Carolina. Primary threats include the invasive Flathead Catfish, poor water quality, and habitat loss through channel erosion and sedimentation.

The Cape Fear Shiner is a federally endangered minnow species found only in the central part of the Cape Fear River Basin. They require clean water and rocky shoals and are highly associated with stands of American Water Willow. Primary threats include sedimentation, poor water quality and invasive Flathead Catfish.

The Broadtail Madtom is an undescribed species group (believed to be 3 seperate species) that inhabits the Sandhill and Coastal Plain regions within the Waccamaw, Lumber, and Pee Dee River Basins. This small and secretive fish is one of the species we are beginning to study here.