Tell us about the sea slugs & nudibranchs in your country! There are currently 33,162 photos posted with 1,879 registered species. Search for nudibranchs by color more Newly arrived nudibranchs more Goniodoris nodosa (Montagu, 1808) Pelagella longicornis Sofía Paz-Sedano, Dimitri Smirnoff, Terrence M. Gosliner and Marta Pola, 2023 Pelagella joubini (Risbec, 1928) Pelagella castanea (Alder & Hancock, 1845) Aplysiidae spp. Hancockia sp. 5 Pelagella albopunctata Sofía Paz-Sedano, Dimitri Smirnoff, Terrence M. Gosliner and Marta Pola, 2023 Hypselodoris cerisae Gosliner & Johnson, 2018 Newly submitted photos more Crimora lutea Baba, 1949 Chelidonura hirundinina (Quoy & Gaimard, 1833) Trinchesia diversicolor (Baba, 1975) Unidentia nihonrossija Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017 Halgerda sp. 2 Goniobranchus coi (Risbec, 1956) Aplysia gigantea Sowerby, 1869 Coryphellina flamma Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022