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Razorback Musk Turtle© Photographer: LA Dawson / CC BY-SA 2.5

Razorback Musk Turtle

The Razorback Musk Turtle is one of the largest species in the musk turtle genus, native to the southern United States. Its name comes from the sharp keel running down the center of its carapace, giving it a rugged yet charming look. Almost fully aquatic, it prefers swimming to walking and is fun to watch as it moves actively through the water. Its temperament is relatively calm and it tends to acclimate well to people, which is why it's considered a beginner-friendly species and often chosen as an entry point into reptile keeping. It's a hardy turtle that can be a long-term companion in captivity.

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Razorback Musk Turtle key facts

Care level
Beginner-friendly
Lifespan
20-30 years in the wild, up to 50 years in captivity
Size
About 15cm straight carapace length
Temperature
24〜27℃、29〜32℃
Diet
Turtle pellets, insects such as crickets, and small feeder fish
Temperature & Humidity
Keep water at 24-27 C, air at 24-28 C and the basking spot at 29-32 C. For mud and musk turtles generally, water of 22-27 C and basking of 29-34 C suit well. Provide vitamin D and calcium supplements alongside full-spectrum lighting.
Enclosure
It is a strong swimmer, so allow about 38 litres of water per 2.5 cm of shell. Adults at 10-15 cm suit a 40-gallon tank, roughly 150 litres, or larger. Give real depth as well, since it likes to swim up and down. It is used to heavily vegetated water, so add plants and hides, and run a powerful filter to keep the water clean.
Diet & Feeding
It is carnivorous in the wild. In captivity use turtle pellets as the staple with insects such as crickets alongside. Small feeder fish encourage exercise. Watch for obesity from overfeeding.
Temperament
A shy species that does not bask much in the wild, though a basking spot where it can leave the water should always be provided. It can live with other turtles such as red-eared sliders, painted turtles and map turtles, but watch for rivalries when first introduced. Move your hand slowly when picking one up; they do occasionally bite.
Notes
The genus Sternotherus was listed on CITES Appendix II at CoP19 in 2022, effective 23 February 2023. Appendix II means no Japanese registration certificate is required, but international trade needs an export permit from the range state. Individuals have lived 50 years in captivity, so plan the setup for the long term.
TraitsMusk turtleReptileNorth AmericaAquaticCITES II

About Razorback Musk Turtle

The Razorback Musk Turtle is a large, aquatic musk turtle species with a distinctive keeled shell. Beginner-friendly with a calm temperament — here's what to know before bringing one home.

7 things to know before welcoming a Razorback Musk Turtle

  1. 1Nearly Fully Aquatic Lifestyle

    The Razorback Musk Turtle rarely comes onto land and is a strong swimmer. Set up the tank with enough water depth rather than focusing on a large basking area, and give it plenty of room to swim freely.

  2. 2Notice the Shell's Keel

    Its defining feature is the sharp keel running down the center of the carapace. It may become slightly less pronounced with age, but this distinctive silhouette is the origin of both its Japanese and English names.

  3. 3Calm, Easy-Going Temperament

    Many individuals settle down calmly around people once acclimated, reflecting the species' relatively easygoing temperament. That said, some may retain a degree of wariness at first, so it's best to give a new turtle time to adjust rather than handling it right away.

  4. 4Manageable Adult Size

    Adults reach a carapace length of around 15 cm, making them easier to house than larger turtle species in terms of space. Still, choose a tank sized with the adult turtle in mind so it has plenty of room as it grows.

  5. 5Water Quality and Filtration Matter

    Because it spends nearly all its time in water, water quality has a direct impact on its health. A reliable filtration system along with regular water changes and water quality checks is key to keeping it healthy long-term.

  6. 6A Long-Term Commitment

    In the wild it can live 20 to 30 years, and in captivity potentially up to 50 years, meaning this is a truly long-term companion. Before bringing one home, think carefully about whether you can maintain its care for decades to come.

  7. 7Prepare the Setup Before Arrival

    Ideally, set up the tank, filter, heater, and UV lighting in advance and let the water stabilize before the turtle arrives. Although considered beginner-friendly, getting the initial setup right lays the foundation for successful keeping.

Frequently asked questions about Razorback Musk Turtle

Q.Can beginners keep a Razorback Musk Turtle?
A.Yes, it's generally considered a beginner-friendly species. Being nearly fully aquatic with a relatively calm temperament, it's approachable as long as you can set up a proper aquatic turtle environment.
Q.How large does it grow?
A.Adults reach a carapace length of around 15 cm. This is compact compared to larger turtle species, but it's best to prepare a tank sized for its adult size from the start.
Q.How long does it live?
A.In the wild it lives 20 to 30 years, and in captivity it can live up to 50 years. When considering one, it's important to think about whether you can commit to its care over such a long period.
Q.Does it need a land area?
A.Since it's an almost fully aquatic species, a layout that prioritizes water depth and swimming space over a large land area is more suitable. A small shallow area to rest is generally enough.
Q.Is it subject to any regulations?
A.Razorback Musk Turtle is listed in CITES Appendix II. International trade requires a permit from the exporting country, but as far as CITES is concerned, no registration is needed to buy or sell individuals already legally in Japan.

Useful tools for Razorback Musk 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 glanceElectricity 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 Razorback Musk Turtle in the encyclopedia

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