starry sky whirl worm (thysanozoon flavotuberculatum), whirl worm. dive site abu fendera, red sea, egypt - 扁蟲 幅插畫檔、美工圖案、卡通及圖標
conceptual biomedical illustration of an echinococcus parasite, on black background - 扁蟲 幅插畫檔、美工圖案、卡通及圖標