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Sea Slater

HomeMarine InvertebratesSea Slater

Sea Slater

Ligia oceanica

Sea Slaters are quick-moving scavengers that feed on algae, decaying seaweed, and occasional dead animals. They can zip across rocks surprisingly fast when uncovered. Around Lihou’s intertidal zone, look under damp ledges or driftwood at mid-tide levels to discover these grey or mottled crustaceans.

  • Habitat: Splash zone on rocky shores; often seen scurrying on wet rocks or under seaweed above the waterline.
  • When to See: Common in warmer months but present year-round; they hide during daylight and become active in dim or wet conditions.
  • Length: Up to 3 cm