https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13969833Edit ImageSaveSaveEditCropCustom TextHorseshoe crab: dorsal and ventral views. Watercolour by Zayhn al-Din, 1777/1783.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 736 px | 300 dpiLarge JPEG 3500 x 2148 px | 300 dpiFree DownloadHorseshoe crab: dorsal and ventral views. Watercolour by Zayhn al-Din, 1777/1783.More