Common Name

Southeastern Mud Turtle

Scientific Name

Kinosternon subrubrum spp. subrubrum

A small freshwater turtle measuring 3-4 inches. Its carapace (the upper portion of the shell) lacks a pattern and varies in color from yellow to black. The plastron (underbelly of the shell) is large and double hinged, and can be yellowish to brown, and may sometimes have a dark pattern. The eye, or iris, of the eastern mud turtle is yellow with dark clouding, and its feet are webbed.

  • Kingdom: Animalia
  • Phylum: Chrodata
  • Class: Reptilia
  • Order: Testudines
  • Family: Kinosternidae
  • Genus: Kinosternon
  • Species: Kinosternon subrubrum spp. subrubrum
Habitat

Wetland

Distribution

Eastern mud turtles are endemic to the United States and range along the southeastern United States and as far north as New York.

Seasonality

Spring, Summer

Abundance

Common

Activity Time

Crepuscular

Diet

The eastern mud turtle is omnivorous and feeds on insects, crustaceans, mollusks, amphibians, carrion, and aquatic vegetation.

Behavior

Eastern mud turtles are natatorial (specialized for swimming) and solitary. They hardly bask, but when they do it is on rocks or debris floating on the water’s surface. These turtles also overwinter in terrestrial habitats by burrowing. They hibernate between November and March, but start and stop times vary by location.

Ecological Role

Conservation Status

Least Concern

Threats & Impacts

Habitat loss, highway mortality

Notes

The specific name, subrubrum, meaning “under red”, refers to the red-orange plastron of hatchlings.