Variations
1 kinds · tap one for a closer look
Asian yellow pond turtle
Peaceful but may eat fish.
This one is best kept on its own, or with its own kind.
- Asian yellow pond turtle should be kept without other species, and it needs a land area too.
- Asian yellow pond turtle should be kept without other species, and it needs a land area too.
- Asian yellow pond turtle should be kept without other species, and it needs a land area too.
Care and water
Behavior
Peaceful but may eat fish.
Check your local laws. CITES Appendix II (since 2003). US: live turtles under 4 in (10 cm) carapace length may not be sold. Check the rules where you live before you buy one, and never release it into the wild.
Good to know: Needs a basking dock with UV and heat lamp and deep water. Never house with fish.
- wood
Food
Pellets, worms and vegetables.
Tap a food to see what it is.
Male or female
Males have a slightly concave plastron and longer, thicker tails with the vent beyond the shell edge. Males are not consistently smaller: recorded maximum shell length is larger in males (22.5 cm) than females (19.5 cm).
Health
Common problems. Tap one to see the signs. This is a guide, not a diagnosis.
Breeding
Egg-layer (buried clutch) · Moderate
Egg-layer with brittle-shelled eggs; in captivity in Taiwan eggs were laid April to August, with 1-4 clutches per female per year. Mating is simple: the male approaches and tries to mount. Sex is set by incubation temperature.
Pair.
Medium tank with basking.
Warm season.
1-8 eggs per clutch (mean about 4), 1-4 clutches a year in captivity; eggs hatch in about 65 days at 29.5-30 °C or about 94 days at 25-25.5 °C.
Hatchlings are fully independent: house them in shallow warm water with a basking spot and feed small pellets, worms and daphnia daily.
- Undersized tank and weak filtration
- No UV or basking heat (soft shells, poor growth)
- Releasing unwanted turtles into the wild
Where it lives in the wild
The story of the asian yellow pond turtle
A semi-aquatic pond turtle of slow lowland waters in southern China, Taiwan, northern Vietnam and the Ryukyu Islands of Japan, kept in turtle farms; wild populations are Critically Endangered (IUCN).
Danish zoologist Theodore Cantor described the Asian yellow pond turtle in 1842. It lives in southern China and nearby areas. It is farmed in large numbers in China.
First described by Theodore Cantor in 1842.
- Its head has a yellow stripe behind each eye.
- It is farmed in large numbers in China.
- It eats both plants and animals.
Sources
9 facts checked with sources
- Scientific name
Reptile (pond turtle, Geoemydidae), not a fish. Two subspecies: M. m. mutica and M. m. kami (Ryukyu yellow pond turtle). Trade names 'Mauremys iversoni' and 'M. pritchardi' are probably hybrids involving M. mutica (Reptile Database).
The Reptile Database: Mauremys mutica · Turtle Taxonomy Working Group (Rhodin et al.) 2025, Turtles of the World: Annotated Checklist and Atlas, 10th ed. (IUCN SSC TFTSG, Chelonian Research Monographs 10) - Familycorrected
New value (legacy had none).
The Reptile Database: Mauremys mutica - Size
Straight carapace length. Maximum SCL male 22.5 cm, female 19.5 cm (TTWG 2025); Ernst et al. give to 19.5 cm. Legacy 20 cm agrees.
Turtle Taxonomy Working Group (Rhodin et al.) 2025, Turtles of the World: Annotated Checklist and Atlas, 10th ed. (IUCN SSC TFTSG, Chelonian Research Monographs 10) · Turtles of the World (Ernst, Altenburg & Barbour; Naturalis Biodiversity Center): Mauremys mutica - Where it livescorrected
New value (legacy had none). Introduced on mainland Japan.
Turtle Taxonomy Working Group (Rhodin et al.) 2025, Turtles of the World: Annotated Checklist and Atlas, 10th ed. (IUCN SSC TFTSG, Chelonian Research Monographs 10) · Turtles of the World (Ernst, Altenburg & Barbour; Naturalis Biodiversity Center): Mauremys mutica - Male or femalecorrected
Legacy said males smaller and females larger; TTWG maximum sizes do not support that, so use tail and plastron instead.
Turtles of the World (Ernst, Altenburg & Barbour; Naturalis Biodiversity Center): Mauremys mutica · Turtle Taxonomy Working Group (Rhodin et al.) 2025, Turtles of the World: Annotated Checklist and Atlas, 10th ed. (IUCN SSC TFTSG, Chelonian Research Monographs 10) - Breeding
Warm-season egg-laying agrees with legacy.
Cheng, Chen, Yu & Chi 2010, Zoo Biology 29(1):50-58: Female reproductive cycles of captive Mauremys mutica (abstract, National Taiwan University repository) · Turtles of the World (Ernst, Altenburg & Barbour; Naturalis Biodiversity Center): Mauremys mutica · The Reptile Database: Mauremys mutica - Eggs and youngcorrected
Legacy 2-6. The captive study of 27 females (Cheng et al. 2010) found 1-8 (mean 4.05); Ernst et al. cite older records of 1-2 eggs per clutch.
Cheng, Chen, Yu & Chi 2010, Zoo Biology 29(1):50-58: Female reproductive cycles of captive Mauremys mutica (abstract, National Taiwan University repository) · Turtles of the World (Ernst, Altenburg & Barbour; Naturalis Biodiversity Center): Mauremys mutica - Story
Legacy story agrees; Japanese wild range is the Ryukyus (mainland populations introduced). 'Often farmed' is supported only indirectly (captive-breeding studies; a 2023 paper titled 'Reproductive Output ... in Cultured Asian Yellow Pond Turtle (Mauremys mutica)', PMC10340008, was seen in search results but not read). IUCN status added.
Turtle Taxonomy Working Group (Rhodin et al.) 2025, Turtles of the World: Annotated Checklist and Atlas, 10th ed. (IUCN SSC TFTSG, Chelonian Research Monographs 10) · Cheng, Chen, Yu & Chi 2010, Zoo Biology 29(1):50-58: Female reproductive cycles of captive Mauremys mutica (abstract, National Taiwan University repository) - traits.legal
Legacy agrees. IUCN Critically Endangered (2021). US federal rule (FDA, 21 CFR 1240.62, in force since 1975): live turtles under 4 in (10.2 cm) carapace length and viable turtle eggs may not be sold or distributed commercially; exceptions include bona fide scientific/educational/exhibition use (not pets), non-business transfers and labelled export-only shipments. Salmonella hand-washing advice in legacy text was not separately sourced.
Turtle Taxonomy Working Group (Rhodin et al.) 2025, Turtles of the World: Annotated Checklist and Atlas, 10th ed. (IUCN SSC TFTSG, Chelonian Research Monographs 10) · US eCFR 21 CFR 1240.62 (FDA): Turtles intrastate and interstate requirements