Peruvian nudibranchs (Mollusca, Gastropoda, Heterobranchia): an updated literature review-based list of species Author Grandez, Alessandra https://orcid.org/0000-0002-0142-9357 Carrera de Biologia Marina, Universidad Cientifica del Sur, Lima, Peru Author Ampuero, Andre https://orcid.org/0000-0001-6929-5423 Carrera de Biologia Marina, Universidad Cientifica del Sur, Lima, Peru Author Barahona, Sergio P. https://orcid.org/0000-0002-0136-7205 Carrera de Biologia Marina, Universidad Cientifica del Sur, Lima, Peru srgbarahona89@gmail.com text ZooKeys 2023 2023-08-23 1176 117 163 http://dx.doi.org/10.3897/zookeys.1176.103167 journal article http://dx.doi.org/10.3897/zookeys.1176.103167 1313-2970-1176-117 DE7EC71CBDDE4A9AB958F1B99633D11D 1E23A7B963DD5B4EB12D399166AAB7C6 Tritonia sp. Peruvian specimen photographs: Fig. 8 Habitat. Benthic. Figure 8. Tritonia sp., courtesy of Jaime Calvo-Perez . Depth. 5-15 m ( Uribe et al. 2013 ). Distribution. From Foca Island (Piura, Peru, 05°12'S) to Punta Picata (Tacna, Peru) ( Uribe et al. 2013 ). Sampling/reporting sites. In Peru, it was reported in Foca Island (Piura, 05°12'S), Santa Island (09°01'S), Ferrol Bay (Chimbote, 09°06'S), Punta El Huaro (Casma, Ancash, 09°37'S), La Gramita (Casma, Ancash, 09°43'S), Punta Patillos (Huarmey, 09°53'S), Punta Colorado (Huarmey, Ancash, 10°29′S), Pucusana (Lima, 12°25'S), Isla Asia (Lima, 12°47'S), Isla La Vieja (Independencia Bay, Pisco, Ica, 14°16′S) and Punta Picata (Tacna, 17°52'S) ( Uribe et al. 2013 ). Remarks. It bears resemblance to Tritonia odhneri (common in Chile) in terms of its external morphology, while displaying similarities to Tritonia festiva (found in Alaska, Baja California, and Japan; Uribe et al. 2013 ). Anatomical and molecular analyses are necessary to describe this species ( Uribe et al. 2013 ).