Hypselodoris maritima has a white body with a yellow and blue mantle edge and foot. There are black striated lines present on the upper dorsum. The gills and rhinophores are white, lined with orange.[4] This species can reach a total length of at least 20 mm. It is similar in appearance to Hypselodoris nigrolineata[3][5]
References
^Baba, K. (1949). Opisthobranchia of Sagami Bay collected by His Majesty the Emperor of Japan. Iwanami Shoten, Tokyo, 194pp., 50 pls.
^Rudman, W.B. (1982) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Chromodoris quadricolor, C. lineolata and Hypselodoris nigrolineata colour groups. Zoological Journal of the Linnean Society, 76: 183-241.
^Gosliner, T.M., Behrens, D.W. & Valdés, Á., 2018. Nudibranch and Sea Slug Identification - Indo-Pacific. New World Publications; 2nd Revised, Updated edition. 452 pp. ISBN1878348671, ISBN978-1878348678, p. 192