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text description of sample collected
description of the dimensions measured for each organism. A maximum one-dimensional measurement were chosen for each taxon: For all crabs and horseshoe crabs: carapace width (CW) is reported. For shrimps: carapace length (CL) is reported. For scallops and clams: shell diameter (SD) is reported per Massachusetts Division of Marine Fisheries "How to Measure Shellfish Recreational Saltwater Fishing Regulations" (PDF available under Supplemental Files). For snails: shell height (SH) is reported. For fishes: total length (TL) is reported. For slipper shells: shell length (SL) is reported. Sizes of polychaetes and ribbon worms are excluded as the length of these organisms is challenged by the identification of their posterior.