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![Underside of adult female blue crab, called sook by watermen line4166.jpg Underside of adult female blue crab, called sook by watermen](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_line4166.jpg?itok=9R62ceCl)
Description
Underside of adult female blue crab, called sook by watermen. Note alsored-tipped claws. Both design of underbody and color of claws differentiatemale blue crab from female blue crab. (Image credit: Mary Hollinger)
Photographer
Mary Hollinger
Display Date
2008 July 20
Location
Maryland, Chesapeake Bay
Collection
America's Coastlines
NOAA Affiliation
NOAA
NESDIS
NODC (ret.)
Keywords
Coastline