Datasets Activity Stream About Order by Relevance Name Ascending Name Descending Last Modified Go 1 dataset found Formats: CSV TAR TXT XLSX XML Filter Results American Horseshoe Crab Abundance in the Northern Central Gulf of Mexico from... Description This dataset contains sightings of American horseshoe crab, Limulus polyphemus, during shoreline surveys conducted in late spring and summer in 2012 and 2013. The... XML PNG XLSX CSV JPEG TXT TAR