Description
Percnon gibbesi, commonly known as the Sally Lightfoot Crab or Nimble Spray Crab, is a marine crab species characterized by its very flat, thin, and wide carapace (shell). It has a distinctive red to brown coloration, sometimes with fine green marbling, and legs with yellow rings at the joints. Adults can reach a carapace width of about 30 millimeters (1.2 inches). They are known for their agility and speed, especially in their natural rocky habitat.
Physical Characteristics:
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Carapace: Flat and thin, with a width of about 30mm.
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Coloration: Varies from red to brown, sometimes with green marbling.
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Legs: Long and flattened, with yellow rings at the joints.
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Spines: Each of the five pairs of walking legs has a row of spines along the leading edge.
Habitat and Behavior:
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Percnon gibbesi is native to the Eastern Atlantic, the Mediterranean, and the Canary Islands.
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It is considered an invasive species in many parts of the Mediterranean.
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It is commonly found in rocky, intertidal and subtidal zones, often hiding under rocks and in crevices.
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They are known for their scavenging behavior, feeding on algae, detritus, and small invertebrates.
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While generally reef-safe, larger individuals can become aggressive and may prey on small fish and other invertebrates
