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matutids
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- 1Moon crabs thrive on Singapore's Changi shoals●Matutids, or moon crabs in common parlance, abound on Changi's shoals, paddling furiously over seagrass or digging their
Moon crabs, known scientifically as matutids, are abundant on the seagrass shoals off Changi in Singapore. Juveniles smaller than a nickel shelter in pools just below the tideline, while adults paddle across the seagrass and burrow into the sand. Naturalists observing the shore describe the crabs as lively and numerous during low tide outings.