Reptoria

Sonora mud turtle (Kinosternon sonoriense)

Sonora mud turtle (Kinosternon sonoriense), typical appearance of the species

Turtles & tortoises · Difficulty: Intermediate

Key facts and care guidance for Sonora mud turtle (Kinosternon sonoriense) (origin: Arizona, northern Mexico – desert streams). Adult size around 11–17 cm. Life expectancy 30–40 years. The values below are carefully researched guidance.

Short answers

Sonora mud turtle: How big does the enclosure need to be?

100×40 cm aqua-terrarium.

Sonora mud turtle: What temperature does it need?

Daytime 22–28 °C, basking spot 32 °C, at night 17–21 °C.

Sonora mud turtle: Does it need UVB lighting?

UVB: Essential (UVB 5.0).

Sonora mud turtle: How long do they live?

Life expectancy: 30–40 years.

Sonora mud turtle: Is it suitable for beginners?

Rather not – it is considered an intermediate species (difficulty: Intermediate).

Climate

Daytime temperature
22–28 °C
Night temperature
17–21 °C
Basking spot
32 °C
Humidity
Aquatic, shallow
UVB
Essential (UVB 5.0)

Enclosure

Minimum size
100×40 cm aqua-terrarium
Substrate
Water 15–25 cm deep, sand, stones, a small land section

Feeding

Food
Snails, insects, fish, pellets
Feeding interval
3×/week

Key facts

Adult size
11–17 cm
Life expectancy
30–40 years
Origin
Arizona, northern Mexico – desert streams
Protection status
Not listed under CITES; protected in parts of its range
Brumation
A cooler spell of 8–12 weeks
Cohabitation
Keeping it singly is safest. A pair only works if a second tank is ready to remove the male during constant courtship - two males harass each other and the females further. With more space, one male can be kept with several females, spreading out the courtship.

Notes

An inhabitant of isolated desert streams and pools. It walks more than it swims – shallow water with plenty of ways to climb out. In dry conditions it can rest on land.

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Related species

All species in the care wiki →

What you need to start

To keep Sonora mud turtle (Kinosternon sonoriense) you typically need: a suitable enclosure (100×40 cm aqua-terrarium), substrate (Water 15–25 cm deep, sand, stones, a small land section), a heat source with a thermostat, UVB lighting, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.

The complete, interactive care database is in the Reptoria app.

Last updated: 30 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Kinosternon, https://en.wikipedia.org/wiki/Sonora_mud_turtle

All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).