The amount of time a turtle can go without water depends on the species, their environment, and whether they are aquatic or land-dwelling. Turtles, in general, need water to stay hydrated, but the specific duration they can survive without it varies.

1. Aquatic Turtles (e.g., Red-Eared Sliders, Painted Turtles, Snapping Turtles)

• Short-Term Without Water: Aquatic turtles can survive for a few days to a week without access to water, but this is not ideal. They rely on water for hydration, feeding, and swimming. Being out of water for extended periods can cause dehydration and stress.
• Long-Term Effects: If aquatic turtles are deprived of water for too long, they can suffer from dehydration, which can lead to health issues like organ failure. It’s important to ensure they have access to water at all times, as they need to swim and soak to keep their skin and shells healthy.

2. Land Turtles and Tortoises (e.g., Russian Tortoise, Box Turtles)

• Short-Term Without Water: Land turtles and tortoises can survive longer without water compared to aquatic turtles. They have adapted to drier environments and can go without water for several days to weeks depending on temperature and humidity.
• Long-Term Effects: Tortoises and land turtles are still at risk of dehydration if they don’t receive regular water, especially if they are in hot, dry conditions. They get most of their moisture from the food they eat (like leafy greens, fruits, and vegetables) but still need fresh water available for drinking and soaking.
• Survival Without Water: In extreme cases, some species, such as desert tortoises, can survive for months without drinking water, relying on the moisture in the plants they eat. However, they still require access to water to stay healthy.

3. General Guidelines for Turtles

• Dehydration Risk: Regardless of the species, turtles are at risk of dehydration if they go without water for extended periods. Symptoms of dehydration in turtles can include sunken eyes, lethargy, and dry, wrinkled skin.
• Access to Water: It is essential for turtles to have access to clean water daily, whether they are aquatic or land turtles. Aquatic turtles need to swim and soak, while land turtles and tortoises need water for drinking and hydration.

Conclusion

• Aquatic Turtles: Can typically survive for a few days to a week without water, but they need it regularly to stay hydrated and healthy.
• Land Turtles/Tortoises: Can last several days to weeks without water, but they still need regular hydration, typically through food and occasional drinking or soaking.
• Desert Tortoises: Some can survive for months without direct access to water, relying on the moisture from their food.

While turtles are resilient animals, it's crucial to provide them with consistent access to water to prevent dehydration and ensure their well-being.