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Title
Grapsus grapsus on a rock on Santa Fe Island in the Galapagos, Ecuador. #199477604
Description
Pictured is a Grapsus grapsus on a rock on Santa Fe Island in the Galapagos, Ecuador. It is known variously as the `red rock crab`, `abuete negro`, and `Sally Lightfoot crab`. It has been observed in an apparent cleaning symbiosis taking ticks from marine iguanas on the Galápagos Islands.