General: Body elongate, wide, with numerous elongate, dorso-lateral cerata. Cerata arranged in densely packed rows, running from behind oral tentacles to posterior end of body. Cerata increase in size in each row, lateral cerata typically shorter, dorsal cerata longer. Oral tentacles tentacular, narrow, elongate. Rhinophores elongate (Figs. 2F), with low irregular swellings. Body color brown-ochre, covered with densely arranged yellowish spots. Rhinophores and oral tentacles same color as body but two distal thirds yellowish-white. Cerata also with same color as body with digestive gland branches partially visible, particularly in smaller cerata, giving them a reddish tinge; cnidosacs white.
Size: 23 mm (preserved)
Published depth range: ~382 m
Spatial distribution: Monterey Canyon
Habitat description: Benthic, soft sediment.
ReferencesEncyclopedia of Life
Tree of Life
World Register of Marine Species
National Center for Biotechnology Information
Valdés, A., L. Lundsten, and N.G. Wilson (2018). Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific. Zootaxa 4526 (4): 401–433.
Citation: Aeolidia libitinaria (Valdés, Lundsten, and Wilson 2018) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Aeolidia%20libitinaria. Monterey Bay Aquarium Research Institute (MBARI). Consulted on 2020-08-15.