Kinosternon stejnegeri (Arizona mud turtle)

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Home > Turtle Database > Kinosternon stejnegeri (Arizona mud turtle)

Credit: https://en.wikipedia.org/wiki/Arizona_mud_turtle

The Arizona mud turtle (Kinosternon stejnegeri) is a small aquatic species found in the southwestern United States. Known for its adaptability, it thrives in arid regions, relying on seasonal water sources for survival.

Other related species

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Scientific Classification

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Reptilia
  • Order: Testudines
  • Family: Kinosternidae
  • Genus: Kinosternon
  • Species: K. stejnegeri

Common Names

Arizona mud turtle

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Identification

Description

The Arizona mud turtle has a dome-shaped carapace, usually olive to brown, with smooth edges. Its plastron is hinged, allowing partial closure for protection. Adults typically measure 4-6 inches in shell length.

Sexual Dimorphism

Males have longer tails and a concave plastron, while females feature a flat plastron and shorter tails.

Native Origin and Distribution

Geographical Range

This species is native to Arizona, New Mexico, and northern Mexico. It is commonly found in the Gila River and other intermittent water systems within this region.

Preferred Habitat

The Arizona mud turtle inhabits rivers, ponds, and seasonal water bodies. It adapts to dry conditions by estivating in burrows during droughts.

Behavior

Feeding Habits

These turtles are omnivorous, feeding on aquatic invertebrates, small fish, carrion, and plant matter.

Predators

Predators include raccoons, birds, and large fish. Juveniles are particularly vulnerable to predation.

Reproduction

Breeding Season

Breeding typically occurs in spring and early summer, following seasonal rains.

Reproductive Method

Females lay 2-6 eggs per clutch in sandy or loamy soil near water sources. The eggs incubate for 2-3 months, with hatchlings emerging in late summer.

Conservation

Extinction Status

The Arizona mud turtle is listed as Least Concern by the IUCN.

Threats

Habitat loss, water pollution, and predation by invasive species are key threats to this species.

Conservation Measures

Efforts include habitat restoration, water quality management, and public awareness programs.

Economic Importance

While not significant in trade, the Arizona mud turtle contributes to local ecosystems by controlling invertebrate populations and cycling nutrients.

Interesting Facts

  • This turtle can aestivate for months during dry seasons, conserving energy until water returns.
  • Its hinged plastron provides additional defense against predators.
  • Arizona mud turtles play a crucial role in seed dispersal by consuming aquatic plants.

About Author

Muntaseer Rahman started keeping pet turtles back in 2013. He also owns the largest Turtle & Tortoise Facebook community in Bangladesh. These days he is mostly active on Facebook.