Abundance and behavior of the sally lightfoot crab (Grapsus grapsus)in the colony of the brown booby (Sula leucogaster)in the Sao Pedro and Sao Paulo Archipelago admin December 31, 2011 science article, Sulidae, Suliformes, Tropical Ocean Comments Brown Booby (Sula leucogaster) Science Article 9 abstract For nine days, the number of sally lightfoot crabs (Grapsus grapsus) in a 300 m ← Previous PostNext Post → Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.