Ouachita map turtle

Ouachita map turtle
A hatchling Graptemys ouachitensis in an aquarium
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Emydidae
Subfamily:	Deirochelyinae
Genus:	Graptemys
Species:	G. ouachitensis
Binomial name
Graptemys ouachitensis Cagle, 1953
Subspecies
G. o. ouachitensis Cagle, 1953 (Ouachita map turtle) G. o. sabinensis Cagle, 1953 (Sabine map turtle)[1]
Range map

The Ouachita map turtle or Sabine map turtle (Graptemys ouachitensis) is a species of turtle endemic to the United States.

Description

This species’ carapace features a row of low vertebral spines, and is serrated on the posterior rim. The carapace is olive, dark brown, or black in coloration with light yellowish markings with dark borders. The plastron color varies from cream to yellow and is patterned with dark lines and swirls. The body color is grayish brown to blackish and is marked with yellowish stripes.

Males are significantly smaller than females. The males can grow to be as large as 5 in (12 cm) in carapace length. The females can grow to be up to 10 in (25 cm) in carapace length.

Taxonomy

The 2 subspecies may represent full species.^[2] The nominate subspecies, G. o. ouachitensis, ranges throughout the Mississippi River drainage. The other subspecies, G. o. sabinensis, is found in the Mermentau, Calcasieu, Sabine, and Neches river systems of Southwest Louisiana and East Texas.

Diet

Ouachita map turtles feed mainly on small aquatic animals such as shrimp, insects, molluscs, and fish. They also consume algae and aquatic plants.

Range

The Sabine map turtle (G. o. sabinensis), was observed and specimens collected (Four specimens), as far south as the upper Mermentau River in 1893 and 1894. In a 2013 observation field study of the Upper Mermentau, Lake Arthur, and 5 major tributaries including Bayou Plaquemine Brule, 73% of the turtles observed were G. sabinensis. The Graptemys pseudogeographica (the false map turtle), was observed as approaching extirpation in the drainage area accounted for only 0.2% of all turtles observed.^[3]

Pet trade

As they are small, Ouachita map turtles are common among turtle keepers. They can be kept with most other species and can be raised on specialty pellets and dried shrimp. Although they need heat and ultraviolet light (UVB), they can generally be kept in average-sized aquariums.

References

Further reading

• Cagle, F.R. 1953. Two New Subspecies of Graptemys pseudogeographica. Occ. Papers Mus. Zool. Univ. Michigan (546): 1-17. ("Graptemys pseudogeographica sabinensis, new subspecies", pp. 2–10; and "Graptemys pseudogeographica ouachitensis, new subspecies", pp. 10–16.)
• Conant, R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Houghton Mifflin. Boston. xviii + 429 pp. + 48 Plates. ISBN 0-395-19979-4 (hardcover), ISBN 0-395-19977-8 (paperback). (Graptemys pseudogeographica ouachitensis and G. p. sabinensis, pp. 57–58, Figure 10. + Plate 8 + Map 14.)
• Lindeman, P.V. 2013. The Map Turtle and Sawback Atlas: Ecology, Evolution, Distribution, and Conservation. University of Oklahoma Press. Norman. 460 pp.
• Smith, H.M., and E.D. Brodie, Jr. 1982. Reptiles of North America: A Guide to Field Identification. Golden Press. New York. 240 pp. ISBN 0-307-13666-3 (paperback). (Graptemys ouachitensis ouachitensis and G. o. sabinensis, pp. 50–51.)

External links

• Austins Turtle Page: Ouachita map turtle

Family Emydidae (pond turtles)
Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Testudines Suborder: Cryptodira Superfamily: Testudinoidea Family: Emydidae
Genus	Species of the subfamily Deirochelyinae
Chrysemys	Painted turtle
Deirochelys	Chicken turtle
Graptemys	Alabama map turtle Barbour's map turtle Black-knobbed map turtle Cagle's map turtle Escambia map turtle False map turtle Northern map turtle Ouachita map turtle Pascagoula map turtle Pearl River map turtle Ringed map turtle Texas map turtle Yellow-blotched map turtle
Malaclemys	Diamondback terrapin
Pseudemys	Alabama red-bellied cooter Northern red-bellied cooter Florida red-bellied cooter Peninsula cooter Rio Grande cooter River cooter Texas river cooter
Trachemys	Big bend slider Baja California slider Central Antillean slider Colombian slider Cuatro Cienegas slider Cuban slider D'Orbigny's slider Hispaniolan slider Jamaican slider Maranhão slider Meso-American slider Nicaraguan slider Ornate slider Pond slider Yaqui slider
	Species of the subfamily Emydinae
Clemmys	Spotted turtle
Emys	Blanding's turtle European pond turtle Sicilian pond turtle Western pond turtle
Glyptemys	Bog turtle Wood turtle
Terrapene	Coahuilan box turtle Common box turtle Ornate box turtle Spotted box turtle
Phylogenetic arrangement based on turtles of the world 2011 update: annotated checklist. Subspecies and the extinct (Gyremys sectabilis) are not included.