Color in life of Candidiopotamon rathbuni (De Man, 1914) (A–D) and Candidiopotamon penglai sp. nov. (E–H). A, B NCHUZOOL 15194 (male, 35.4 × 31. 2 mm, Tai-an, Miaoli, northwestern Taiwan) C NCHUZOOL 15211 (male, 24.8 × 22.1 mm, Dongshih, Taichung, western Taiwan) D NCHUZOOL 15181 (male, 28.0 × 23.9 mm, Rihyuetan, Nantou, western Taiwan) E, F NCHUZOOL 15204 (2 males, 39.7 × 34.4 mm, 40.6 × 34.3 mm, Nanrenshan, Pingtung, southern Taiwan) G NCHUZOOL 15224 (paratype male, 36.4 × 30.9 mm, Liyu Lake, Shoufeng, Hualien, eastern Taiwan) H NCHUZOOL 15229 (male, 33.1 × 29.7 mm, Jili Lake, Guangfu, Hualien, eastern Taiwan).