How to identify it
Olive-green carapace with one to six black blotches on the rear of each scute, ringed yellow or orange; rings fade with age. [1][2]
Yellow or cream plastron with dark green swirls. [1][2]
Dark green head with yellow markings; a large blotch below each eye joins two narrow lines. [1][2]
Keels prominent in juveniles and males, blunted in females. [1][2]
Females 120-260 mm carapace, males 90-178 mm. [1][2]
Compared with the false map turtle: Lines form a web over the shell; often a backward L behind the eye. [1][2]
Compared with the common map turtle: Fine map-like lines over the shell and an oval spot behind the eye. [1][2]
Species it is confused with
Check these before deciding what you are looking at. If you are not certain what it is, do not shoot.
- Mississippi map turtle · Graptemys pseudogeographica
- Common map turtle · Graptemys geographica
Where it lives
Mainly rivers (also impoundments) with submerged vegetation and basking logs or rocks; nests on sandbars and beaches within about 100 m of water. [1][2]
How it behaves
Diurnal; basks in groups, then feeds from mid-morning, alternating feeding and basking. [1][2]
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
- Mississippi — reptile take · Title 40 Part 5 Rule 2.3 Regulations Regarding Non-Game Wildlife in Need of Management (MDWFP PDF; file dated 2024-04)
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.
Where it is found
Mississippi and St. Croix river basins from Minnesota and Wisconsin south through Louisiana, west to eastern Kansas, Oklahoma and eastern Texas, east into Indiana, Ohio and Kentucky. Not in Canada.
Sources
Every claim above is attributed to one of these published sources.
NatureServe · reviewed 2026-09-30
NatureServe
University of Michigan Museum of Zoology · reviewed 2026-09-30
University of Michigan Museum of Zoology
