Species authority page

Razorback musk turtle

Sternotherus carinatus · Turtles · Reptiles

Razorback musk turtle (Sternotherus carinatus): Small turtle, carapace about 10-12 cm; high, triangular, domed shell with a prominent medial keel; scutes light brown to orange with dark streaks that fade with age. Yellowish plastron that is reduced and weakly hinged, with ten rather than eleven scutes (no gular scute). This profile does not establish whether taking it is legal anywhere.

Certified rules currently represented in Hunt: coverage in development. This is coverage, not a legal answer.

Scientific name
Sternotherus carinatus
Family
Kinosternidae
In North America
Native
Range
South-central United States: Alabama, Arkansas, Louisiana, Mississippi, Oklahoma and Texas (Brazos River in Texas to the Pascagoula River in Mississippi); not in Canada.
Biology

How to identify it

Small turtle, carapace about 10-12 cm; high, triangular, domed shell with a prominent medial keel; scutes light brown to orange with dark streaks that fade with age. [1][2]

Yellowish plastron that is reduced and weakly hinged, with ten rather than eleven scutes (no gular scute). [1][2]

Skin gray to pink to light brown with small dark spots; slightly hooked jaws with dark streaks, pair of chin barbels and a tubular snout. [1][2]

Males have longer, thicker tails and rough scale patches on the thighs. [1][2]

Field knowledge

Where it lives

Medium to large flowing streams and rivers, also swamps and lakes, with soft or sandy/rocky bottoms, aquatic vegetation and basking deadwood. [1][2]

Field knowledge

How it behaves

Diurnal, active mornings and late afternoons; spends more time basking high on deadwood than other musk turtles. [1][2]

Hibernates underwater; active roughly March-November in Oklahoma and largely crepuscular in summer. [1][2]

Omnivorous bottom feeder on insects, crustaceans, mollusks (including invasive Asian clams), amphibian larvae, carrion and aquatic plants. [1][2]

Regulatory handoff

Limited legal take

Legal take of this species exists only under narrow conditions — a quota, a draw, a permit, a small area, or animals released or held on private land — set by the authorities below. Nowhere else is a legal opportunity implied, and Hunt shows one only where a certified rule establishes it.

Where legal take is listed

Being listed is not an open season. Seasons, zones, licences, methods and limits decide whether this animal may be taken on a given day and place — check Hunt or the authority before you go. Listings read 2026-09-30.

Geospatial intelligence

Where it is found

South-central United States: Alabama, Arkansas, Louisiana, Mississippi, Oklahoma and Texas (Brazos River in Texas to the Pascagoula River in Mississippi); not in Canada.

Biology

Sources

Every claim above is attributed to one of these published sources.

  1. NatureServe · reviewed 2026-09-30

    NatureServe

  2. University of Michigan Museum of Zoology · reviewed 2026-09-30

    University of Michigan Museum of Zoology