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Mississippi Mud Turtle© Kristof Zyskowski / CC BY 4.0

Mississippi Mud Turtle

The Mississippi Mud Turtle is a subspecies of the Eastern Mud Turtle, native to a broad range across the eastern United States. It's a small, fully aquatic turtle that tops out around 10 cm in shell length, with a plain, keel-less carapace and a distinctive plastron featuring two hinges that let it close up snugly when startled. Calm and unassuming by nature, it spends most of its time submerged, making it a rewarding species to watch in a well-set-up tank. Its modest adult size also makes it an approachable choice for newcomers to aquatic turtle keeping.

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Mississippi Mud Turtle key facts

Care level
Beginner-friendly
Lifespan
Few data on lifespan in captivity
Size
Carapace length 7.6-10.2 cm (species-level figure)
Diet
Omnivore (aquatic insects, snails, crustaceans)
Housing
A small aquatic turtle of shallow, weedy fresh water. Use a tank without excessive depth, plus a haul-out area.
Diet & Feeding
Mud turtles are omnivores that feed underwater; combine pellets with small fish, snails, shrimp and insects.
Temperature & Humidity
Wild animals hibernate buried in mud. It rarely basks, but still provide a dry area and heating.
Health & Cautions
It prefers clean, oxygenated water, so maintain water quality with filtration and regular changes.
Notes
The three subspecies look alike, so check locality information when buying an animal sold as a Mississippi mud turtle. Never release a captive animal into the wild.
TraitsMud turtleAquatic turtleNorth AmericaCITES II

About Mississippi Mud Turtle

A small, fully aquatic turtle native to the eastern US, growing to about 10 cm with a plain, keel-less shell and a double-hinged plastron. A beginner-friendly species.

7 things to know before welcoming a Mississippi Mud Turtle

  1. 1Spends Most Time in Water

    This is an aquatic turtle of shallow, weedy fresh water that spends more time walking along the bottom than swimming. Keep the water fairly shallow, and although it doesn't bask much, still provide a land area and heating in the tank.

  2. 2A Compact Adult Size

    Adults typically reach a shell length of about 7.6 to 10.2 cm, placing them among the smaller aquatic turtles. This modest size means they generally require less tank space than larger species.

  3. 3Plain, Keel-Less Carapace

    The upper shell lacks a raised ridge (keel) and has a simple, largely unmarked appearance. This smooth, understated look is one of the traits that helps distinguish it from other mud turtles.

  4. 4A Double-Hinged Plastron

    The bottom shell (plastron) has two hinges, allowing it to close more securely around the body than in many other turtles. It's one of the more distinctive structural features of this species.

  5. 5Calm but Shy by Nature

    This turtle is generally docile and easily startled, often withdrawing into its shell or diving to the bottom when disturbed. It's better suited to quiet observation than frequent handling.

  6. 6Limited Lifespan Data

    There isn't much documented data on captive lifespans for this particular species. It's best to plan for a long-term commitment and set up care routines you can sustain over time.

  7. 7Prepare the Tank in Advance

    Since this is an aquatic species, set up a filtered tank with a basking area and appropriate heating before bringing one home. Sudden changes in water quality can stress them, so acclimate new turtles slowly and carefully. Note that this species is listed under CITES Appendix II.

Frequently asked questions about Mississippi Mud Turtle

Q.Is the Mississippi Mud Turtle suitable for beginners?
A.Yes, it's generally considered a beginner-friendly species. With standard aquatic turtle equipment — filtration, a basking area, and heating — it's a manageable turtle to start with.
Q.How large does it grow?
A.Adults reach a shell length of roughly 7.6 to 10.2 cm, making them a small aquatic turtle overall. This subspecies typically settles around the 10 cm mark.
Q.How can I tell it apart from other mud turtles?
A.Key identifying features include a plain, keel-less carapace and a plastron with two hinges. These traits help distinguish it from closely related species.
Q.Does it bond well with people?
A.It tends to be calm but shy, often retreating into its shell or hiding when startled. It's better suited to being observed in a quiet setup than to frequent handling.
Q.How long does it live in captivity?
A.There isn't much established data on captive lifespans for this species, so a precise figure isn't available. It's wise to prepare for a long-term commitment and maintain a stable environment regardless.

Useful tools for Mississippi Mud Turtle care

🦎Reptile Temperature CalculatorView basking, cool-side, night temps, humidity & UVB requirements by species🧬Morph Genetics CalculatorCalculate morph breeding outcomes for leopard geckos & ball pythons📅Breeding CalendarVisual monthly breeding season guide for each species🍽️Feeding GuideCheck feeding frequency, portion sizes & supplements by species and growth stage🗓️Seasonal Care CalendarMonthly care events and seasonal management tips at a glance⚡Electricity Cost SimulatorCalculate monthly and annual electricity costs for care equipment with presets🧬Breeding PlannerSelect parent varieties to view breeding schedules and offspring patterns🧮Care Cost SimulatorEstimate initial, monthly & annual costs by category, care level and quantity⚖️Species Comparison ToolCompare two species side by side: care difficulty, size, lifespan & temperature🎯Pet Match DiagnosticAnswer 7 questions to find your top 3 perfect pets📋Lifetime Cost SimulatorEstimate lifespan and lifetime costs by species for dogs, cats, reptiles and more🚚Transport Safety CheckerCheck transport safety score and precautions by category, season, method and distance🏠Multi-Pet Budget PlannerPlan budget for multiple pets with shared and individual cost breakdown💊Medication Dosage CalculatorCalculate proper medication dosage by body weight and medicine type for fish, reptiles, and small animals⏱️Quarantine & Acclimation TimerManage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species

Learn more about Mississippi Mud Turtle in the encyclopedia

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