Dungeness crab ready to eat at Fisherman's Wharf in San Francisco. photo 5ヶ月 0 PRESERVED_SPECIMEN; ; dry; SYNTYPE. See: Dana, James D. 1852. Crustacea. Part I. U.S. Exploring Expedition.; IZ number 209; lot count 1; other number 47b; photo 5ヶ月 0 Dungeness crabs photo 約2年 0 Image title: Dungeness crab metacarcinus magister Image from Public domain images website, http://www.public-domain-image.com/full-image/fauna-animals-public-domain-images-pictures/crabs-and-lobsters- photo 約2年 0