Thelyphonus sp. “Red” is an eye‑catching, undescribed vinegaroon variant known in the hobby for its deep reddish‑brown tones and robust, heavily armoured body. Like all members of Thelyphonidae, it is completely non‑venomous, relying instead on its powerful pedipalps and its trademark acetic‑acid spray for defence. The “red” form tends to show richer coloration along the carapace and tergites, giving it a warm, earthy appearance that contrasts beautifully with its long, delicate flagellum. Although visually imposing, it is a shy, methodical species that spends much of its time hidden within burrows or beneath natural cover.
 
In the wild, Thelyphonus species are typically found in humid tropical forests across Southeast Asia, where they inhabit leaf litter, rotting logs, and deep soil layers. Their behaviour reflects this ecology: they are slow‑moving, nocturnal predators that rely on tactile senses rather than vision. The elongated antenniform front legs act as sensory probes, sweeping the environment for vibrations and chemical cues. When threatened, they may raise their pedipalps defensively or release a fine mist of acetic acid, but they rarely act aggressively without provocation.
 
In captivity, Thelyphonus sp. “Red” thrives in a warm, humid setup with deep, moisture‑retentive substrate. They appreciate stable microclimates and secure hides, and once settled, they display fascinating behaviours—burrow construction, slow exploratory foraging, and gentle tactile probing with their sensory legs. Their combination of striking colour, prehistoric appearance, and calm temperament makes them a favourite among keepers who enjoy observing subtle, naturalistic behaviours rather than fast‑paced activity.