Sesarmidaeinvertebratesintermediate

Purple Micro Crab

Geosesarma sp. 'Purple'

Also known as: Purple Micro Crab, Purple Vampire Crab

Origin: Southeast Asia

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Water Parameters

Temperature2328 °C
15 °C35 °C
pH78
49
GH (Hardness)615 °dGH
0 °dGH30 °dGH
KH (Alkalinity)38 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
3 cm
Min Tank
30 L
Lifespan
2-3
Swimming Level
bottom
Schooling
No
Diet
omnivore
Temperament
semi-terrestrial; peaceful in groups

About

Geosesarma sp. 'Purple' is a captivating vampire crab variety distinguished by its rich violet-to-deep-purple carapace and vivid contrasting yellow eyes — a combination that makes it one of the most visually arresting small crabs available. It is semi-terrestrial and thrives in paludarium enclosures with a balance of land and shallow water zones. Colonies are relatively compatible and breeding groups are easily maintained with the correct setup.

Care Guide

Water: 23–28°C, pH 7.0–8.0, GH 6–15, KH 3–8; high humidity in terrestrial zone. Tank: minimum 30 L paludarium, moist substrate land area, shallow water, cork bark hides. Feeding: fruit, vegetables, sinking pellets, dried leaves, occasional small invertebrates. Behaviour: semi-terrestrial; nocturnal; peaceful in groups with space. Compatibility: species tank or mixed Geosesarma; not suitable with fish or dwarf shrimp.

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