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Gaboon Caecilian
Geotrypetes seraphini
The Gaboon Caecilian is a rare, worm-like limbless amphibian native to Central Africa, requiring high humidity and deep, organic soils in a fossorial setup.
Class:Amphibia
Order:Gymnophiona
Family:Dermophiidae
Genus:Geotrypetes
Species:Geotrypetes seraphini
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Environment
Terrestrial
Humidity
80 - 100 %
Day temperature
25 °C
Night temperature
21 °C
Ambient temperature
25 °C
Minimum enclosure
>= 45 L
UVB
None
Species description
Geographical Origin and Habitat: Geotrypetes seraphini is an amphibian native to West and Central Africa, with established populations in Gabon, Cameroon, Nigeria, Equatorial Guinea, and the Democratic Republic of Congo. It is a strictly fossorial (burrowing) species, inhabiting the moist soils of primary and secondary tropical rainforests, hidden under leaf litter, decaying logs, and humus-rich forest floors.
Taxonomy and Genetics: Belongs to the Gymnophiona order (limbless amphibians, or caecilians), family Dermophiidae, and genus Geotrypetes. Commonly known as the Gaboon caecilian. Genetically and phylogenetically, it represents an ancient lineage of amphibians that evolutionary adapted to a subterranean life by losing their limbs. No subspecies are currently recognized.
Behavior and Habits: Exhibits strictly nocturnal and subterranean habits. It spends its entire life digging tunnels in the damp soil using its highly ossified, robust skull. Its vision is extremely limited (eyes are vestigial and covered by skin and bone); instead, it senses the environment using pair of retractable, chemosensory tentacles located near the nostrils.
Morphology: Features an elongated, cylindrical, limbless body that closely resembles a giant earthworm or a small snake. Adults typically grow to lengths between 30 and 35 cm. The body is ringed with distinct folds called annuli. The base coloration is dark slate-grey to uniform dark blue, showing metallic iridescence under direct light.
Care, breeding and tankmates
Terrarium Setup: Requires a specialized fossorial setup. A minimum terrarium size of 80x40x40 cm is recommended for a pair. The most critical aspect is providing a deep substrate layer (at least 15-20 cm) of loose, organic soil, coco coir, peat moss, and leaf litter. Place flat pieces of cork bark on the surface to serve as entry shelters.
Lighting and Heating: Bright lighting is not required; low-level ambient light is sufficient as they spend most of their time underground. Maintain ambient temperatures between 24°C and 26°C. Use a low-wattage heating cable attached to the outside back or side of the enclosure (never under the entire floor) to prevent substrate drying.
Humidity and Hydration: Requires extremely high relative humidity levels, between 80% and 90%. The substrate must remain damp at all times, but never waterlogged or muddy to avoid root and skin rot. Mist the enclosure daily with dechlorinated water. Provide a shallow, fresh water dish on the surface.
Feeding and Supplementation: Strictly carnivorous, preying on underground invertebrates. The staple diet should consist of live earthworms (their preferred food), small crickets, roaches, and insect larvae. Dust prey items with a high-quality calcium and multivitamin supplement once a week, particularly for growing juveniles.
Compatibility: Best kept in a species-specific enclosure. They can be kept in small groups of their own species if space and substrate are sufficient. Never house them with other amphibian or reptile species, as they may be preyed upon, stressed, or exposed to dangerous pathogens.
Health and Common Diseases: Highly susceptible to health issues related to poor substrate management. Low humidity leads to rapid, fatal desiccation. Overly wet or unhygienic conditions cause bacterial dermatosis and fungal infections (such as Chytridiomycosis). Avoid handling as their skin is delicate and highly absorbent.
Geographic Origin and Distribution
Geotrypetes seraphini is an amphibian native to West and Central Africa, with established populations in Gabon, Cameroon, Nigeria, Equatorial Guinea, and the Democratic Republic of Congo. It is a strictly fossorial (burrowing) species, inhabiting the moist soils of primary and secondary tropical rainforests, hidden under leaf litter, decaying logs, and humus-rich forest floors.
Origin
Africa and Madagascar
Amphibian profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 40 cm
- Lifestyle/Microhabitat
- No verified data available
- Activity cycle
- No verified data available
- Sociality
- No verified data available
- Reproduction
- No verified data available
- Toxicity
- No verified data available
- Life stage
- No verified data available
- Handling tolerance
- No verified data available
- Brumation
- No verified data available
- Molting
- No verified data available
The catalog's scalar value is 40 cm. The AmphiBIO v1 source reports a maximum adult measurement of 40 cm for this species, recorded as total length (TL). These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
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