The narrow-bridged musk turtle is typically brown in color. The Parks Department lists three turtle species (red-eared slider, snapping turtle, and musk turtle). The razor-backed musk turtle grows to a straight carapace length of about . The giant musk turtle tends to be quite aggressive, agile and energetic. The razor-backed musk turtle is frequently kept in captivity, and is regularly captive bred. The loggerhead musk turtle ("Sternotherus minor") is a species of turtle in the family Kinosternidae. The flattened musk turtle ("Sternotherus depressus") is a species of turtle in the family Kinosternidae. The razor-backed musk turtle ("Sternotherus carinatus") is a species of turtle in the family Kinosternidae.