A hardy, brightly marked North American pond turtle with red-and-yellow shell margins, popular as a beginner-to-intermediate aquatic pet. Long-lived and active, it needs a large, well-filtered tank with a warm basking spot.
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Adults 10-25 cm (4-10 in) shell length; females larger than males.
Lifespan
20–40 years
Social needs
solo
Native region
North America (United States and southern Canada)
Origin
New World
Climate
🍂 Temperate
Water type
💧 Freshwater
Family
Emydidae
Genus
Chrysemys
Part of the Turtles
Turtles are aquatic and semi-aquatic chelonians that need large, well-filtered water, basking areas with UVB and heat, and varied omnivorous diets. Many grow far larger and live far longer than buyers expect, so housing and lifespan planning are essential.
From the minimum an animal needs to be kept humanely, up to the ideal setup. Bigger is almost always better — minimums are floors, not targets.
Photo coming soon
Minimum
Adult aquarium
75 gal (10 gal per inch of shell)
Chrysemys picta reaches 5–8 in. Minimum is a 75-gal aquarium with strong filtration, basking dock, basking 32 °C, 5–10% UVB, water 22–26 °C. Highly aquatic — also basks heavily.
Recommended
Larger aquarium
100 gal+ planted
A 100-gal+ aquarium with oversized filtration, large basking dock, and live or robust plants. Painted turtles tolerate cool water well — possible outdoor option in temperate zones.
Captain-tucker / CC BY-SA 3.0 (Wikimedia Commons)
Photo coming soon
Ideal
Outdoor pond (seasonal)
Outdoor predator-proof pond, ≥ 200 gal
Seasonal outdoor predator-proof pond with basking dock, dense planting, and shade. Native temperate species — pond life matches their evolved climate and brumation cycle.
Life & growth stages
How this animal changes through its life — each stage often has its own care, diet and space needs.
Photo coming soon
Egg / Neonate
Most reptiles lay leathery- or hard-shelled eggs incubated by ambient warmth, though some snakes and lizards give live birth. Incubation temperature can influence sex and development in many species.
Photo coming soon
Hatchling
Hatchlings emerge as fully formed miniatures of the adult, often using an egg tooth to slit the shell. They are independent from birth but small and vulnerable, and may show brighter or different juvenile patterning.
Photo coming soon
Juvenile
Juveniles grow steadily, shedding their skin periodically as they enlarge. Coloration and proportions shift toward the adult form, and growth rate depends heavily on temperature, diet, and basking/UVB access.
Adult
Adults reach the species' full length and mass and become sexually mature. Many reptiles show sex differences in size, coloration, or features (such as larger heads, hemipenal bulges, or femoral pores), and continue to shed throughout life.
Color & pattern variants
Natural variants occur in the wild; selectively bred (man-made) variants were developed in captivity.
Painted turtles are semi-aquatic and need a large aquatic setup. A common rule of thumb is roughly 40 L (10 US gal) of water per 2.5 cm (1 in) of shell length, so a single adult is best housed in a 300-450 L (80-120 gal) tank, stock tub, or pond. Provide water deep enough to swim freely (at least 1.5-2x the shell length) plus a dry, easily accessed basking platform under heat. Powerful canister or sump filtration is essential because turtles are messy; partial water changes weekly keep ammonia and nitrate low.
Maintain water at about 22-26 C (72-79 F) with a basking surface of 32-35 C (90-95 F) under a basking bulb, and provide UVB lighting (a 5.0-10.0 linear or compact UVB tube replaced per the manufacturer schedule) for proper shell and bone development. A bare-bottom tank or large smooth river rocks is easiest to clean; avoid small gravel that can be swallowed. Cooler seasonal temperatures may trigger brumation in temperate-origin animals.
Substrate
A bare-bottom tank is easiest to keep clean and is perfectly fine for painted turtles; if you prefer a planted or natural look, use large smooth river rocks (too big to swallow) or a thin layer of coarse, rounded sand. Avoid fine gravel and aquarium pebbles, which are easily ingested and cause dangerous impactions.
Equipment & setup
Provide a large aquatic enclosure (a minimum of roughly 10 gallons of water per inch of shell, so 75 gallons or more for an adult) with a powerful canister or oversized HOB filter rated well above the tank volume to handle their heavy waste. Heat the water to about 72-78F with a guarded submersible heater, and over a dry basking platform mount both a UVB tube (5.0-10.0) and a basking bulb creating a 88-95F spot for proper shell and bone health.
Diet
Painted turtles are omnivores that shift toward more plant matter with age. Offer a base of a quality commercial aquatic-turtle pellet, supplemented with protein sources such as earthworms, gut-loaded insects, and occasional thawed fish or shrimp, plus leafy greens and aquatic plants (e.g., duckweed, water lettuce, romaine, dandelion greens). A cuttlebone provides supplemental calcium.
Feed juveniles daily and adults every 2-3 days, sizing portions to roughly what fits in the turtle's head. Avoid feeder-fish-only diets and fatty meats; over-reliance on protein contributes to obesity and shell deformity. Dust food lightly with a reptile calcium/D3 supplement as appropriate.
Behavior & temperament
Painted turtles are diurnal, alert, and active baskers that spend much of the day swimming and patrolling. They are generally not handling pets and may scratch or stay shy, but they readily learn to associate keepers with food and become bold at feeding time. Provide enrichment through varied feeding, sight barriers, floating plants, and basking platforms at different heights.
They are best kept singly; males harass females and other turtles, and crowding leads to bullying, bitten tails, and water-quality crashes. House away from busy, high-stress areas, and expect a long-lived, low-affection but engaging display animal.
Health
The most common problems are husbandry-related: shell rot and skin infections from poor water quality, metabolic bone disease and soft shell from inadequate UVB or calcium, and respiratory infections from cold or fluctuating temperatures (listless basking, open-mouth breathing, and bubbling are warning signs). Retained shed and pyramiding usually trace back to diet, temperature, or lighting.
Prevention centers on strong filtration, correct basking and UVB, a varied calcium-rich omnivorous diet, and stable temperatures. Like most aquatic turtles they can carry Salmonella, so wash hands after contact and keep them away from food-preparation areas. Establish care with a reptile-experienced veterinarian for annual checks.
Tips, DIY & hacks
Build a cheap basking dock from egg-crate light-diffuser panel and suction cups, or use a floating turtle ramp so they can fully dry off and thermoregulate. Feed in a separate tub of water to keep the main tank cleaner, vary the diet with leafy greens, pellets, and the occasional protein, and remember painted turtles are cold-tolerant and may brumate if kept cool in winter.
