Black-breasted Leaf Turtle / Spengler's Leaf Turtle — Care Sheet & Morphs

Husbandry requirements

Black-breasted Leaf Turtle / Spengler's Leaf Turtle — origin: Cool, humid mountain forests of northern Vietnam and southern China (Hainan, Guangxi, Guangdong), on the forest floor and near streams. A species listed under CITES (Appendix II) and classified as Endangered (IUCN): almost all individuals in the trade are fragile wild-caught animals. Strongly favour captive-bred specimens and verify legality (CITES/EU paperwork) before any acquisition..

Terrarium temperature gradient

Night min15 °C

Cool side18–21 °C

Warm side22–25 °C

A COOL mountain species sensitive to heat: never exceed ~26-28°C for long (heatstroke potentially FATAL above this). NO hot spot or basking lamp. A winter cooling (12-16°C by day, cooler nights) is beneficial and stimulates reproduction. Permanently shaded ambience.

Enclosure (adult)

90 × 45 × 30 cm

Humid terrestrial woodland-floor terrarium (predominantly terrestrial paludarium), with a thick litter layer, hides, plants and a shallow water area. A secure lid is essential (a good climber and escape artist).

Minimum dimensions for an adult or a pair; larger is always better. A complex, shaded layout (leaf litter, mosses, bark, wood, live plants) offering multiple hides to limit stress. Place the enclosure in a cool room, away from heat sources.

Humidity

70–90 %

High and constant humidity; daily mistings. Substrate moist but never soaked, and good ventilation to avoid mould and respiratory infections.

Substrate

Coconut fibreSphagnum (moss)Leaf litterForest soil + orchid bark

Thick, loose and moist substrate allowing burrowing and ambient humidity; keep it clean (removal of droppings, regular maintenance) to prevent shell rot and skin infections.

UVB

Recommended

Low UVB beneficial (UV index ~1-2, 2-5 % tube), consistent with a little-exposed woodland-floor animal; failing that, ensure a regular dietary supply of calcium and vitamin D3. Avoid any powerful or heat-producing lighting.

Water source

Always available

A shallow, clean and dechlorinated water area whose depth does not exceed the height of the shell: this is a POOR SWIMMER, and any deep water poses a drowning risk. Provide easy access in and out; daily hydration and bathing.

Origin

Geoemydidae

Cool, humid mountain forests of northern Vietnam and southern China (Hainan, Guangxi, Guangdong), on the forest floor and near streams. A species listed under CITES (Appendix II) and classified as Endangered (IUCN): almost all individuals in the trade are fragile wild-caught animals. Strongly favour captive-bred specimens and verify legality (CITES/EU paperwork) before any acquisition.

Feeding & health

Diet

Carnivore / Insectivore — Earthworms, snails and slugs (essential, calcium source), crickets, woodlice, occasionally pinky mice; rarely eats soft fruit or plant matter.

A predominantly animal-based and varied diet. Calcium/D3 supplements useful given the low UVB exposure. Wild-caught animals often refuse to feed at first (stress-induced anorexia) and must be dewormed after a veterinary check-up.

Breeding

Oviparous

Clutch 1–2 eggs/young. Extremely low reproductive rate (1 to 2 eggs per clutch, sometimes several clutches per year), which makes the species rare and expensive. Slow incubation at moderate temperature (~22-26°C) for about 60-90 days. A seasonal cycle with winter cooling favours reproduction. All breeding/transfer is governed by CITES/EU regulations.

Health watch points

Internal parasites (nematodes) very common in wild-caught animals
Acclimation stress and anorexia (feeding refusal) after importation
Thermal stress / heatstroke (fatal above about 28-30°C)
Respiratory infections (unsuitable temperature or humidity)
Osteodystrophy (MBD) and shell rot (deficiencies, substrate too wet and dirty)

Morphs & genetics

Registry of 2 documented genes for Black-breasted Leaf Turtle / Spengler's Leaf Turtle.

Hypomelanistic / Golden light phaseDom
Axanthic (Rare)Rec

Pairing calculator

Pick each parent's genotype — clutch probabilities update live. Free, no sign-up.

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Black-breasted Leaf Turtle / Spengler's Leaf Turtle × Black-breasted Leaf Turtle / Spengler's Leaf Turtle

Probabilities per gene (independent loci).

Expected clutchSelect at least one gene on a parent.

Frequently asked questions

Answers to the most common questions about keeping the black-breasted leaf turtle / spengler's leaf turtle.

How big does the black-breasted leaf turtle get?▾

It's one of the smallest turtles in the world: adults rarely exceed 9 to 13 cm in carapace length. Its leaf-shaped shell, with serrated edges and three pronounced keels, plus its hooked beak, give it an unmistakable silhouette.

Can it be bought freely?▾

You need to be very careful: the species is listed under CITES Appendix II and classified as Endangered by the IUCN, and almost all individuals sold in the trade unfortunately come from stressed wild-caught stock. It's far better to look for a captive-bred animal and check the legality of the CITES/EU paperwork before buying.

What is this turtle's temperament like?▾

It's surprisingly alert and quick, almost 'predatory' in its bearing, and quickly learns to recognize its keeper. That said, it remains territorial, especially between males, so it should be kept alone or as a closely monitored pair, with plenty of hiding spots.

What kind of enclosure does it need?▾

A humid, woodland-floor terrestrial terrarium suits it well, with a thick substrate layer, hides, plants and a small, shallow water area; allow at least 90 x 45 cm of floor space and 30 cm of height. The lid must be secure, since it's a capable climber that can escape.

What temperatures should be maintained?▾

This is a cool-mountain species, the opposite of tropical turtles: the warm zone should never sustain more than 22-25 °C, with a cool side of 18-21 °C. No basking spot or heat lamp is needed, and above 26-28 °C the risk of a potentially fatal heat stroke becomes real.

Does it need high humidity?▾

Yes, humidity must stay consistently high, between 70 and 90%, with daily misting. The substrate should be moist but never waterlogged, and good ventilation remains essential to prevent mold and respiratory infections.

What does it eat?▾

Its diet is mostly carnivorous: earthworms, snails and slugs (essential, notably for calcium intake), crickets and woodlice, with an occasional pinky mouse. It rarely touches fruit or plant matter.

Can it swim in a large volume of water?▾

No, that should actually be avoided: the water area must stay shallow, no deeper than its shell height, since it's a poor swimmer for whom deep water is a real drowning risk. Easy access in and out allows safe daily soaks.

Does it need UVB?▾

Low-level UVB is still beneficial, consistent with its low-light woodland lifestyle, but most of its vitamin D3 needs can also be met through diet. Any strong or heat-emitting lighting should be avoided in any case, as it's incompatible with its thermal requirements.

How long does it live, and does it breed easily?▾

Its potential lifespan is high, 20 to 40 years, though data remains limited and wild-caught, often parasitized individuals generally live much shorter lives. Breeding is also extremely slow, with only 1 to 2 eggs per clutch, which explains its rarity and high price.

What are the most common health problems?▾

Internal parasites very commonly affect wild-caught animals, as does acclimation stress, which can lead to feeding refusal after import. Heat stress and heat stroke remain the most serious danger, potentially fatal above 28-30 °C, along with respiratory infections and osteodystrophy in cases of deficiency.

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