Hymenocera picta
Encounter Rate
Spotting Difficulty
Best Season
Year-round
Depth Range
3-30 meters
The harlequin shrimp is one of the most visually spectacular and behaviourally fascinating crustaceans found in Komodo National Park. This small but strikingly beautiful shrimp, reaching about 5 centimetres in length, is adorned with large, flattened claws and a white body decorated with bold purple, pink, or blue spots that make it look like a hand-painted porcelain figurine. Harlequin shrimp are obligate predators of starfish — they feed on nothing else. Working in mated pairs, they flip a sea star onto its back and systematically consume it alive over a period of days or even weeks, keeping the prey alive as long as possible to ensure fresh food. They target the tube feet and softer tissues first and have been observed feeding the starfish to keep it alive longer. In Komodo, harlequin shrimp are uncommon but treasured finds at macro sites, typically hiding under coral rubble or in small crevices near their latest starfish meal. Finding a pair is always a highlight and a testament to a guide's sharp eyes.
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Average Size
3-4cm
Size Range
2-5cm
Maximum Size
5cm
Obligate starfish predator. Works in pairs to flip sea stars onto their backs and consume them alive over days or weeks, targeting tube feet and soft tissue first.
The harlequin shrimp is one of the most visually spectacular and behaviourally fascinating crustaceans found in Komodo National Park. This small but strikingly beautiful shrimp, reaching about 5 centimetres in length, is adorned with large, flattened claws and a white body decorated with bold purple, pink, or blue spots that make it look like a hand-painted porcelain figurine. Harlequin shrimp are obligate predators of starfish — they feed on nothing else. Working in mated pairs, they flip a sea star onto its back and systematically consume it alive over a period of days or even weeks, keeping the prey alive as long as possible to ensure fresh food. They target the tube feet and softer tissues first and have been observed feeding the starfish to keep it alive longer. In Komodo, harlequin shrimp are uncommon but treasured finds at macro sites, typically hiding under coral rubble or in small crevices near their latest starfish meal. Finding a pair is always a highlight and a testament to a guide's sharp eyes.
This species plays an important role in the marine ecosystem of Komodo National Park. Responsible diving practices help protect these animals and their habitat for future generations.
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They are rare finds at macro-rich sites, particularly in the south of the park. Cannibal Rock, Nusa Kode, and Torpedo Alley are among the best options. Your dive guide will know of any current sightings.
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