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Forest Hinge-back Tortoise
Kinixys erosa
Inhabiting deep African rainforests, this hinge-back tortoise avoids sunlight. It requires a humid, shaded enclosure with damp leaf litter and slow-moving water sources.
Class:Testudines
Order:Testudines
Family:Testudinidae
Genus:Kinixys
Species:Kinixys erosa
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Environment
Terrestrial
Humidity
75 - 95 %
Day temperature
20 - 30 °C
Ambient temperature
20 - 30 °C
Night temperature
20 - 22 °C
Basking spot
28 - 29 °C
Minimum enclosure
>= 500 L
UVB
High
Species description
Geographical Origin and Habitat: This species is native to the primary and secondary tropical rainforests of West and Central Africa, ranging from Senegal eastward to Uganda and south to the Democratic Republic of the Congo. It inhabits the humid, deeply shaded forest floor, often near slow-moving streams, swamps, and flooded forest floors. It has a low tolerance for direct sunlight and dry conditions, seeking shelter under damp leaf litter, hollow fallen logs, and subterranean crevices.
Taxonomy and Genetics: Kinixys erosa belongs to the family Testudinidae, genus Kinixys. This genus is famous for possessing a cartilaginous hinge on the rear portion of the carapace. Genetically, it represents an evolutionary adaptation to warm, humid tropical forests, setting it apart from desert-dwelling tortoises. Wild populations are currently in decline due to widespread deforestation, habitat fragmentation, and local hunting for bushmeat.
Behavior and Habits: A terrestrial tortoise with predominantly crepuscular and nocturnal habits, exhibiting peak activity during heavy rainstorms or foggy days. During the daytime, it remains buried under wet leaf litter. Unlike most land tortoises, it is a capable swimmer and will readily enter shallow forest pools to hydrate or forage. When threatened, it uses its unique hinge to pull down the rear of its shell, enclosing its hindquarters.
Morphology: The carapace is elongated, flattened, and dark brown or black, often featuring yellow or orange shading along the margins. The rear edge of the shell is strongly serrated, jagged, and flared upward (hence the name erosa). The hinge is located between the 4th and 5th costal scutes. Adults reach a medium-to-large size, with carapace lengths of 25-30 cm. Males are distinguished by longer tails and a concave plastron.
Care, breeding and tankmates
Terrarium Setup: Requires a large horizontal enclosure measuring at least 150x80 cm for an adult, or ideally a dedicated indoor heated room. Substrate is critical: it must be at least 15 cm deep and hold moisture without rotting. A mix of peat moss, coco coir, and orchid bark, topped with a thick layer of oak leaves and damp sphagnum moss, is recommended. Provide numerous large, dark hides throughout the enclosure to reduce stress.
Lighting and Heating: As a forest floor dweller, it does not tolerate bright light. Use low-output linear UVB bulbs (5% or 8% maximum) shaded by artificial or live plants. Maintain a daytime ambient temperature of 24-26°C (75-79°F) with a localized basking spot of no more than 28-29°C (82-84°F). Nighttime temperatures should hover around 20-22°C (68-72°F). Avoid intense basking lamps that dry out the enclosure.
Humidity and Hydration: Relative humidity must be kept exceptionally high, between 80% and 95% year-round. An automatic misting system or heavy twice-daily manual spraying is essential. A large, shallow water area (a low tray) with a depth of 3-4 cm must be provided for soaking, drinking, and defecation. Water must be replaced daily, as they often defecate in it.
Feeding and Supplementation: Unlike most tortoises, this species is omnivorous. The diet should consist of 60% leafy greens and mushrooms (highly favored, such as button mushrooms, dandelion, and chicory); 20% ripe fruits (figs, melon, papaya, and berries); and 20% animal protein (earthworms, snails with shells for calcium, waxworms, and quality box turtle pellets). Dust food with calcium carbonate twice a week.
Compatibility: Primarily solitary and shy. Males are territorial and can fight; thus, do not house multiple males together. A male can be kept with one or two females only in a very large, heavily planted enclosure with plenty of visual barriers. They easily stress in the presence of hyperactive or loud enclosure mates.
Health and Common Diseases: Highly susceptible to dehydration and low humidity, which quickly lead to chronic renal failure and shedding issues (dysecdysis). Upper respiratory tract infections are common if drafts or cold temperatures occur. Stagnant, dirty substrate causes shell rot (SCUD) and bacterial skin infections. Regular fecal screenings are required to monitor nematode loads.
Geographic Origin and Distribution
This species is native to the primary and secondary tropical rainforests of West and Central Africa, ranging from Senegal eastward to Uganda and south to the Democratic Republic of the Congo. It inhabits the humid, deeply shaded forest floor, often near slow-moving streams, swamps, and flooded forest floors. It has a low tolerance for direct sunlight and dry conditions, seeking shelter under damp leaf litter, hollow fallen logs, and subterranean crevices.
Origin
North AmericaAfrica and Madagascar
Reptile profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- No verified data available
- Lifestyle/Microhabitat
- No verified data available
- Activity cycle
- No verified data available
- Sociality
- No verified data available
- Reproduction
- No verified data available
- Handling tolerance
- No verified data available
- Brumation
- No verified data available
- Molting
- No verified data available
Image gallery
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