Loggerhead Musk Turtle — Fact Sheet
Sternotherus minor · Loggerhead Musk Turtle · Kleine Moschusschildkröte
📋 At a glance
| Adult size | 8-14.5 cm |
| Lifespan | 30-50 years |
| Subspecies | Former subspecies are often treated as separate species in current references |
| Origin | Southeastern United States river systems and spring-fed wetlands |
| Activity | Diurnal |
| Difficulty | Intermediate |
| Legal | CITES: Appendix II; EU: Annex B; not EU Union-list invasive; local rules still apply |
🏠 Enclosure
- Single adult: at least 90 x 45 cm footprint; larger water volume preferred
- Aquatic aquarium, stock tank, or indoor pond with secure lid or high rim
- Strong filtration rated above actual water volume
- Hatchlings: shallow water with many resting routes to the surface
- Avoid tall empty tanks, slippery docks, sharp gravel, and unprotected filter intakes
🪨 Enclosure furniture
- Dry basking platform, cool cover, submerged ledges, wood, cork, and plants
- Stable climbing routes from bottom to surface
- Optional cleanable sand or smooth river-stone areas
- No wedge-shaped holes, unstable rock piles, or abrasive ramps
💡 Lighting
- UVB required over the dry basking platform
- Moderate-output linear UVB tube preferred
- Separate heat lamp for basking surface
- Replace UVB lamps on schedule; glass blocks UVB
- Photoperiod: 10-12 h; no colored night light
🌡️ Temperature
Basking spot: 30-32 °C
Warm zone: 23-26 °C water
Cool zone: 21-23 °C
Night: 20-24 °C
Clear gradient required between water, cover, and basking platform
Measure water with digital probes and basking surface with an infrared thermometer
Avoid heat rocks and unguarded heaters
💧 Humidity & water
- Water quality is the main humidity issue
- Dry basking platform must let the shell dry completely
- Regular partial water changes and ammonia/nitrite checks
- Dispose of tank water through household wastewater
- Never release turtles, eggs, plants, feeder animals, filter sludge, or water outdoors
🪳 Diet
Feed regularly:
- Aquatic turtle pellets, snails, earthworms, insect larvae, freshwater shrimp
In moderation:
- Whole fish, aquatic plants, leafy greens, richer protein extras
Avoid:
- Mammal meat, bread, salty seafood, goldfish-heavy diets, wild feeder fish
Supplements:
- Cuttlebone or other calcium source; balanced UVB; avoid vitamin overdosing
💤 Winter rest
- Optional only for healthy, established adults from seasonal lines
- Do not cool juveniles, thin turtles, sick turtles, or recent arrivals
- Use measured temperatures and a gradual seasonal change
- Consult a reptile veterinarian before cooling animals with uncertain health
🩺 Health — warning signs
- Soft shell → UVB, calcium, or diet problem
- Shell pits or foul smell → shell infection or dirty water
- Swollen eyes → water quality, vitamin, or infection issue
- Tilted floating or wheezing → respiratory disease
- Bite wounds → cohabitation or unsafe handling
- Persistent appetite loss → stress, wrong temperature, or illness
Consult a reptile- or exotic-animal veterinarian for breathing signs, deep shell lesions, injury, weakness, or prolonged refusal to eat.