The Chinese water dragon is a vivid green, semi-arboreal agamid that lives along forest streams and dives into water when alarmed. It needs a tall, humid, planted enclosure with strong UVB and a large water feature, and can become a rewarding (if sometimes flighty) display lizard. Because it is now CITES-listed and declining in the wild, captive-bred stock is strongly preferred.
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Up to about 3 ft (90 cm) total length, with roughly two-thirds being tail; males larger with bigger crests and jowls.
Lifespan
10–15 years
Social needs
solo
Native region
Southeast Asia (southern China, Vietnam, Thailand, Cambodia, Laos)
Origin
Old World
Climate
🌴 Tropical
Family
Agamidae
Genus
Physignathus
Part of the Agamid Lizards
Old-World agamid lizards including bearded dragons, water dragons, and rock agamas — diurnal, heat- and UVB-dependent baskers, many with vivid display coloration.
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
Semi-aquatic vivarium
36 × 18 × 18 in with water feature
Tropidophorus sinicus is a small semi-aquatic skink. Minimum is a 36×18×18 with a large shallow water section, cool ambient (22–26 °C), high humidity (75–90%), and dense planting. Avoid hot basking — cool stream habitat.
Photo coming soon
Recommended
Planted paludarium
48 × 18 × 18 in, paludarium
A 48×18×18 paludarium with a flowing water section, cork bark, leaf litter, and live ferns. Low UVB (5%). Provides natural shaded humid Asian stream microhabitat.
Photo coming soon
Ideal
Bioactive paludarium
60 × 24 × 24 in, bioactive paludarium
Large bioactive paludarium with circulating water section, deep planted substrate, cleanup crew, and varied terrestrial/aquatic zones. Mimics southern China limestone stream habitat.
Life & growth stages
How this animal changes through its life — each stage often has its own care, diet and space needs.
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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.
Habitat & enclosure
House one adult in a tall, planted enclosure of at least 6 ft (1.8 m) high by roughly 3-4 ft (0.9-1.2 m) wide and deep, with abundant sturdy branches for climbing. Provide a basking spot of around 90-95°F (32-35°C), an ambient gradient in the low-to-mid 80s°F, and a nighttime drop no lower than the mid-60s°F (~18°C). Keep humidity high at 70-80% via misting, foggers, or live plants, and include a large water area deep enough for the dragon to submerge and swim.
Substrate
Use a moisture-retentive, bioactive-friendly substrate such as a coir/topsoil/orchid-bark mix that holds humidity without staying soggy. Live plants help maintain humidity and provide cover and visual barriers. Spot-clean frequently and keep the substrate damp but not waterlogged around the drainage and water areas.
Equipment & setup
Provide an overhead basking lamp for the hot spot, a strong T5 HO UVB tube (6-12% depending on distance) running much of the enclosure length, and a misting system or fogger plus a thermostat-controlled heat source for cool rooms. A large, filtered water basin (with a small pump/filter to keep it clean), sturdy climbing branches, and accurate thermometers/hygrometers complete the setup.
Diet
Primarily insectivorous with some animal and plant matter. Offer varied gut-loaded insects (crickets, dubia roaches, locusts, silkworms, hornworms, earthworms), occasional pinky mice or fish for adults, and some leafy greens and fruit. Dust feeders with calcium (plus D3 as appropriate) and a multivitamin. Feed juveniles daily and adults every other day or so, adjusting to body condition.
Behavior & temperament
Diurnal, semi-arboreal, and a strong swimmer that flees into water when startled. Can be skittish, and a frightened dragon may dash into the enclosure glass and rub its snout raw (a common problem). With patient, regular, low-stress handling many individuals calm down and tolerate interaction, though they are not as consistently tame as a bearded dragon. Best kept singly or as a carefully managed breeding pair; males are territorial toward each other.
Health
The classic concern is snout-rubbing (rostral abrasions) from a too-small or too-open enclosure, prevented by visual barriers, plants, and ample space. Also watch for metabolic bone disease from inadequate UVB/calcium, respiratory infections in cold or stagnant-damp setups, and skin/shedding issues in low humidity. Keep the water feature clean to avoid bacterial problems; new imports often carry parasites.
Tips, DIY & hacks
Plant heavily and place visual barriers along the glass to curb stress-driven snout rubbing. The species was listed on CITES Appendix II in 2023 due to overharvesting for the pet trade, so choose captive-bred animals over wild imports (which are also heavily parasitized) and keep paperwork in order; quarantine new dragons. Use a real, easily cleaned water feature the dragon can swim in, and let the enclosure's height and foliage give the animal places to feel secure above the floor.
