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Giant Whip Spider
Charon grayi
A fascinating tailless whip scorpion native to Southeast Asian rainforests. It specifically inhabits dark caves, hollow tree trunks, and humid rock crevices, requiring vertical climbing spaces.
Class:Arachnida
Order:Amblypygi
Family:Charontidae
Genus:Charon
Species:Charon grayi
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Environment
Terrestrial
Humidity
75 - 90 %
Ambient temperature
25 °C
Day temperature
26 °C
Night temperature
20 - 22 °C
Substrate depth
>= 5 cm
UVB
High
Species description
Geographical Origin and Habitat: This species is widely distributed throughout the tropical rainforests of Southeast Asia, including the Philippines, Indonesia, Malaysia, Singapore, and Papua New Guinea. It inhabits dark, highly humid microhabitats such as limestone caves, hollow rotting logs, deep rock fissures, and under loose tree bark.
Taxonomy and Genetics: Belongs to the class Arachnida, order Amblypygi, family Charontidae, and genus Charon. Scientifically described by Gervais in 1842. Although arachnids, whip spiders are not true spiders or scorpions; they lack venom glands and silk-producing spinnerets, representing an ancient and unique evolutionary lineage.
Behavior and Habits: Strictly nocturnal and photophobic (light-avoiding). They move sideways with great agility along vertical rock faces or tree trunks. They use their long, whip-like first pair of legs as tactile organs to sense their surroundings and detect prey in complete darkness. They are non-aggressive sit-and-wait predators.
Morphology: Features a flattened, wide body adapted for squeezing into narrow crevices. The first pair of legs is modified into sensory antenniform whips that can extend over 30 cm in length. The pedipalps are robust and equipped with sharp spines for capturing prey. Adult body length ranges between 3 to 4 cm.
Care, breeding and tankmates
Terrarium Setup: Requires a vertically oriented terrarium of at least 30x30x45 cm (12x12x18 inches) for a single specimen. It is vital to secure vertical sheets of rough cork bark or bark slabs, as these animals live hung vertically. The substrate should be a 5 cm layer of damp coconut fiber or peat moss.
Lighting and Heating: Do not use UVB or high-intensity lighting, as these animals avoid bright light. Keep the enclosure in a dark room. Maintain daytime temperatures between 24°C and 27°C (75-80°F) using a thermostatically controlled heating mat placed on the outside wall. Allow a night drop to 20-22°C (68-72°F).
Humidity and Hydration: Requires high relative humidity, maintained consistently between 75% and 85%. Mist the enclosure daily with distilled water. High humidity is critical during the molting process to prevent the animal from getting stuck in its old exoskeleton. Provide a shallow water dish.
Feeding and Supplementation: Strictly insectivorous. Feed live crickets, roaches, or grasshoppers once or twice a week, introducing them into the terrarium at night. Supplementation is generally unnecessary if the prey insects are fed a high-quality diet (gut-loaded) before feeding.
Compatibility: Strictly solitary. Never house multiple whip spiders together, as they are highly cannibalistic, particularly during or after molting when they are soft and defenseless. They are completely harmless to humans as they possess no venom.
Health and Common Diseases: Molting failure is the most common cause of death, usually due to low humidity or lack of secure vertical structures to hang from during ecdysis. Do not feed or disturb them while they are molting. Lost limbs will regenerate over several successful molts.
Geographic Origin and Distribution
This species is widely distributed throughout the tropical rainforests of Southeast Asia, including the Philippines, Indonesia, Malaysia, Singapore, and Papua New Guinea. It inhabits dark, highly humid microhabitats such as limestone caves, hollow rotting logs, deep rock fissures, and under loose tree bark.
Origin
Tropical oceans and reefsNorth AmericaAfrica and MadagascarSouth and Southeast AsiaEast AsiaAustralia, New Guinea, and Oceania
Terrestrial invertebrate profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 4 cm
- Lifestyle/Microhabitat
- No verified data available
- Activity cycle
- No verified data available
- Sociality
- No verified data available
- Reproduction
- No verified data available
- Venom level
- 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 4 cm. The World Amblypygi Catalog — Charon grayi source reports a maximum adult measurement of 4 cm for this species, recorded as body length. The taxonomic record consulted is Charon grayi. 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.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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