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Isometrus maculatus
A small, widely distributed tropical scorpion (also established in Japan's southwestern islands), recognizable by its slender tail and mottled pattern. Its venom is relatively mild but it is fast-moving.
The Lesser Brown Scorpion (Isometrus maculatus) is a small, widely distributed tropical and subtropical scorpion, also established in Japan's southwestern islands. It is recognizable by its slender tail and mottled pattern, and although its venom is relatively mild it is fast and skittish, so careful handling is advised. Kept at 24–30°C and 60–75% humidity on live insects, it lives 2–4 years and suits intermediate keepers.
Origin
Tropical and subtropical regions worldwide, including Japan's southwestern islands
Lifespan
About 2-4 years
Size
4-6 cm in length
Temperature
24〜30℃
Humidity
60〜75%
Small live insects such as crickets and roaches
Lean bark or rocks for climbable hides over slightly moist substrate.
Maintain 24-30°C and 60-75% humidity.
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The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
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Feed small live prey 1-2 times per week.
Venom is relatively mild but it is fast and prone to escaping; guard against bolting.
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Lesser Brown Scorpion is 24〜30℃. Recommended humidity is 60〜75%. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Lesser Brown Scorpion is About 2-4 years. With proper care and nutrition, they can live a long and healthy life.
Lesser Brown Scorpion typically reaches 4-6 cm in length as an adult. Size may vary depending on care conditions and individual genetics.
Lesser Brown Scorpion feeds on: Small live insects such as crickets and roaches. Aim for a balanced diet with appropriate feeding frequency.
The price of Lesser Brown Scorpion varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: June 30, 2026