Red-Eared Slider
Trachemys scripta elegans
A popular pet turtle known for its distinctive red stripe behind its eyes and its ability to bask on logs.
Last updated: 3/16/2025
Overview
The red-eared slider is a semi-aquatic turtle native to the southern United States. Recognizable by the distinctive red markings behind its eyes, this species is popular in the pet trade but requires significant care and a long-term commitment.
Native Regions
North America
Habitats
Ponds, Lakes, Rivers
Adult Length
8-12 inches
Adult Weight
5-10 pounds
Lifespan
20–30 years
For Beginners
Not recommended due to extensive care requirements and long lifespan
For Experienced Keepers
Suitable for experienced reptile keepers
Key Points
- › Semi-aquatic and diurnal
- › Omnivorous diet
- › Requires a spacious aquatic enclosure with basking areas
Appearance & Behavior
Red-eared sliders have a smooth, flattened shell with green and yellow patterns. They possess distinctive red stripes behind their eyes. Adults typically measure between 5 to 12 inches (12 to 30 cm) in length.
Normal Behavior
Diurnal and semi-aquatic; they are active swimmers and enjoy basking. They can be social with other turtles but may be wary of human interaction.
Social Behavior
While they can be housed together, ensure ample space to prevent territorial disputes.
Warning Signs
Lethargy, lack of appetite, swollen eyes, or shell discoloration may indicate health issues.
Key Points
- › Active during the day
- › Enjoy basking
- › Social with other turtles but cautious around humans
Enclosure & Environment
Enclosure Size
Minimum 75 to 100 gallons, depending on the turtle’s size.
Enclosure Type
Aquatic tank with both water and dry basking areas.
Substrate
Optional; fine gravel or sand if desired.
Heating
Water temperature between 75-85°F (24-29°C); basking spot at 85-95°F (29-35°C).
Humidity
Not a primary concern; focus on water quality.
Lighting
Full-spectrum UVB lighting for 10-12 hours daily.
Décor & Enrichment
Provide basking platforms, aquatic plants, and hiding spots.
Cleaning & Maintenance
Use a high-quality filtration system; perform partial water changes weekly.
Key Points
- › Requires a large aquatic setup
- › Proper lighting and heating are essential
- › Maintaining water quality is crucial
Diet & Nutrition
Red-eared sliders are omnivores, consuming a varied diet that includes aquatic vegetation, insects, and fish.
Food Types
Aquatic plants, insects, small fish, and commercial turtle pellets.
Feeding Schedule
Juveniles: daily; Adults: every other day.
Supplements
Dust food with calcium powder 2-3 times a week.
Hydration
Access to clean water is essential for both drinking and feeding.
Preparation
Offer food in the water; chop larger items into manageable pieces.
Common Mistakes
Overfeeding or providing an unbalanced diet lacking in variety.
Key Points
- › Requires a varied diet of plant and animal matter
- › Regular supplementation supports shell health
- › Clean water is vital
Handling
With gentle and consistent handling, red-eared sliders can become accustomed to human interaction, though they may remain shy.
Techniques
Approach slowly and support their body securely when handling.
Do's & Don'ts
Avoid handling too frequently to reduce stress; always wash hands before and after.
Taming
Regular, gentle handling can help them become more comfortable over time.
Stress Signals
Retreating into shell, hissing, or attempting to bite.
Key Points
- › Requires patience and gentle handling
- › May remain shy despite regular interaction
Health & Wellness
Common Health Issues
Shell Rot
Description
Bacterial or fungal infection of the shell.
Symptoms
Soft spots, foul odor, discoloration.
Prevention
Maintain clean water and provide proper basking areas.
Treatment
Consult a veterinarian; may require cleaning and antibiotics.
Respiratory Infections
Description
Often due to low temperatures or poor water quality.
Symptoms
Wheezing, nasal discharge, lethargy.
Prevention
Ensure appropriate temperatures and maintain water cleanliness.
Treatment
Seek veterinary care; may involve antibiotics.
Vitamin A Deficiency
Description
Caused by inadequate diet.
Symptoms
Swollen eyes, respiratory issues, lethargy.
Prevention
Provide a varied diet rich in leafy greens and appropriate supplements.
Treatment
Vitamin A supplementation under veterinary guidance.
Preventative Care
Regular veterinary check-ups; maintain proper diet and habitat conditions.
Emergency Signs — seek vet care immediately
Severe lethargy, refusal to eat, open-mouth breathing, swollen eyes, shell abnormalities.
Key Points
- › Proper husbandry prevents most health issues
- › Monitor health and behavior closely
Breeding
Red-eared sliders are oviparous, with females laying eggs on land in carefully dug nests.
Preparation
Provide a nesting area with moist, sandy soil for egg-laying females.
Breeding Process
Females lay 4-15 eggs per clutch, typically in late spring to early summer.
Egg Care
Incubate eggs at 80-85°F (27-29°C) with appropriate humidity; incubation lasts about 72-80 days.
Hatchling Care
Provide shallow water with easy access to basking areas; feed a protein-rich diet.
Key Points
- › Breeding requires specific conditions
- › Clutch sizes vary
- › Proper incubation and hatchling care are essential