Black knobbed Map Turtle (Graptemys nigrinoda)

Black knobbed Map Turtle, Kyoto city zoo, Kyoto, Japan
Photograph by OpenCage. Some rights reserved. (view image details)

Black knobbed Map Turtle | Graptemys nigrinoda photo

Black knobbed Map Turtle hatchlings
Photograph by M .Noth. Some rights reserved. (view image details)

BLACK KNOBBED MAP TURTLE FACTS

Description
The Black knobbed Map Turtle is a small to medium size turtle. It has characteristic large black knobs projecting up from the keel. The carapace has The skin is light gray with yellowish pattern. The underside (plastron) has a pattern of a few horizontal lines that covers less than a third of the surface.

Size
length: males 9cm - 11.5cm; females 10cm - 15cm

Environment
rivers and streams, creeks, and lakes connected to rivers. Prefers to bask on fallen trees and brush piles in rivers from where it can jump into the water when disturbed.

Food
insects, crustaceans and other invertebrates, small fish

Range
Alabama - in the Alabama, Tallapoosa, Coosa, Cahaba, Tombigbee and Black Warrior Rivers. In Mississippi it is restricted to the Tombigbee River.

Conservation Status
LR|nt

Classification

Class:	Reptilia
Order:	Testudines
Family:	Emydidae
Genus:	Graptemys
Species:	nigrinoda
Common Name:	Black knobbed Map Turtle

Relatives in same Genus
  Barbour's Map Turtle (G. barbouri)
  Common Map Turtle (G. geographica)
  Mississippi Map Turtle (G. kohnii)
  False Map Turtle (G. pseudogeographica)
  Alabama Map Turtle (G. pulchra)

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