Possible confusions
Cadlina pellucida : blanche mais avec taches brunes sur les rhinophores et le panache branchial.
Species sheet
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Atlantic cadlina
Cadlina laevis (Linnaeus, 1767)
AnimalsDoridian nudibranchs
- Mollusque gastéropode marin sans coquille : nudibranche doridien
- Taille : 25 à 35 mm de long / 10 mm de large
- Forme ovale aplatie
- Manteau blanc translucide ponctué de papilles jaune pâle et de nombreuses taches blanches. Liséré blanc oujaune autour du manteau.
- Rhinophore blancs lamellés rétractiles
- Panache branchial blanc transparent comprenant 5 à 7 branchies rétractiles
- Tentacules buccaux courts, larges et aplatis.
Distribution map
Geographic areas (BioObs)
Western MediterraneanMediterranean - Alboran SeaEastern MediterraneanNorth-East AtlanticNorth-West AtlanticChannel & North
Observation type
Scuba divingApnea / SnorkellingForeshore / Shoreline
Other common names
- White Atlantic cadlinaBritish English
- CadlinaGerman (Germany)
- CadlinaEuropean Spanish
- Cadeline blancheFrench (France)
- Cadlina atlantiqueFrench (France)
- CadlinaItalian (Italy)
- KaalslakDutch (Netherlands)
Other invalid scientific names
- Cadlina boscai Tejedo, 1994
- Cadlina repanda (Alder & Hancock, 1842)
- Doris laevis Linnaeus, 1767
- Doris marginata Montagu, 1804
- Doris obvelata O. F. Müller, 1776
- Doris planulata W. Stimpson, 1853
- Doris repanda Alder & Hancock, 1842
Links to our partners' sheets
Sources
- ADER Denis, FEY Laurent, SITTLER Alain-Pierre in : DORIS, 03/07/2024 : Cadlina laevis (Linnaeus, 1767), https://doris.ffessm.fr/ref/specie/683
- WoRMS : MolluscaBase eds. (2026). MolluscaBase. Cadlina laevis (Linnaeus, 1767). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=139134 on 2026-01-12
- MarLIN : Rowley, S.J. 2008. Cadlina laevis White sea slug. In Tyler-Walters H. and Hiscock K. Marine Life Information Network: Biology and Sensitivity Key Information Reviews, [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 07-02-2026]. Available from: https://www.marlin.ac.uk/species/detail/1
- Sea Slug Forum Cadlina laevis
How to cite this BioObs sheet?
BioObs, 07/02/2026 : Cadlina laevis (Linnaeus, 1767), https://bioobs.fr/en/species-sheets/2190
Modification history
- Modified by Pascal COATNOAN on 07/02/2026
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