These are the geographical zones with available species checklists:
Species by geographic zone
LANGUAGE
RECENT PUBLICATIONS
- Proctonotoidea 05/11/2026
- Tritonioidea 05/11/2026
- Fionoidea 05/11/2026
- Embletonioidea 05/11/2026
- Dendronotoidea 05/11/2026
- Arminoidea 05/11/2026
- Flabellinidae 05/11/2026
- Facelinidae 05/11/2026
- Aeolidioidea 05/11/2026
- Polyceroidea 05/11/2026
- Phyllidioidea 05/11/2026
- Onchidoridoidea 05/11/2026
- Doridoidea 05/11/2026
- Bathydoridoidei 05/11/2026
- Chromodoridoidea 05/11/2026
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RECENT ARTICLES
- Nudibranch taxonomy: when is it justified to change a name? 03/09/2026
- Nudibranchs: taxonomic revolution 09/11/2025
- Biological cycle of two outstanding nudibranchs from Antarctica 08/12/2024
- Bursatella leachii Blainville, 1817 (Mollusca, Gastropoda, Heterobranchia), a successful global sea hare 26/12/2023
- ”Resurrecting” species: the case of the sea slug Dendrodoris temarana 16/01/2023
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- Introduction to Sea Slugs
- Guide to Sea Slugs
- Acochlidiimorpha
- Aplysiida
- Acteonimorpha
- Architectonicoidea
- Cephalaspidea
- Bulloidea
- Acteocina crithodes
- Acteocina mucronata
- Bulla arabica
- Bulla striata
- Pyrunculus fourierii
- Pyrunculus hoernesi
- Pyrunculus ovatus
- Retusa crossei
- Retusa desgenettii
- Retusa laevisculpta
- Retusa leptoeneilema
- Retusa mammillata
- Retusa minutissima
- Retusa obtusa
- Retusa truncatula
- Retusa umbilicata
- Volvulella acuminata
- Volvulella ovulina
- Cylichnoidea
- Haminoeoidea
- Philinoidea
- Aglaja tricolorata
- Biuve fulvipunctata
- Camachoaglaja africana
- Chelidonura cubana
- Chelidonura hirundinina
- Colpodaspis pusilla
- Gastropteron rubrum
- Hermania scabra
- Laona pruinosa
- Laona quadrata
- Laona ventricosa
- Melanochlamys miqueli
- Melanochlamys wildpretii
- Philine angulata
- Philine catena
- Philine intricata
- Philine iris
- Philine monterosati
- Philine punctata
- Philine quadripartita
- Philine striatula
- Philinoglossa helgolandica
- Philinopsis depicta
- Philinopsis speciosa
- Retusophiline lima
- Roxania utriculus
- Scaphander lignarius
- Scaphander punctostriatus
- Bulloidea
- Nudibranchia
- Doridina
- Doridoidei
- Chromodoridoidea
- Aldisa banyulensis
- Aldisa smaragdina
- Aldisa zetlandica
- Cadlina laevis
- Cadlina pellucida
- Chromodoris quadricolor
- Chromolaichma edmundsi
- Felimare bilineata
- Felimare cantabrica
- Felimare fontandraui
- Felimare gasconi
- Felimare orsinii
- Felimare picta
- Felimare tricolor
- Felimare villafranca
- Felimida binza
- Felimida clenchi
- Felimida elegantula
- Felimida goslineri
- Felimida luteopunctata
- Felimida luteorosea
- Goniobranchus annulatus
- Goniobranchus obsoletus
- Hypselodoris infucata
- Hypselodoris pulchella
- Rudmania krohni
- Rudmania purpurea
- Doridoidea
- Aporodoris millegrana
- Archidoris pseudoargus
- Atagema gibba
- Atagema rugosa
- Atagema spongiosa
- Baptodoris cinnabarina
- Discodoris stellifera
- Doris adrianae
- Doris berghi
- Doris bertheloti
- Doris marmorata
- Doris ocelligera
- Doris sticta
- Doris verrucosa
- Gargamella boucheti
- Gargamella perezi
- Gargamella rosi
- Geitodoris bacalladoi
- Geitodoris bonosi
- Geitodoris perfossa
- Geitodoris planata
- Geitodoris portmanni
- Geitodoris pusae
- Geitodoris rubens
- Halgerda willeyi
- Jorunna efe
- Jorunna evansi
- Jorunna onubensis
- Jorunna spazzola
- Jorunna tomentosa
- Paradoris indecora
- Peltodoris atromaculata
- Peltodoris punctifera
- Platydoris argo
- Rostanga anthelia
- Rostanga rubra
- Taringa armata
- Taringa faba
- Taringa pinoi
- Tayuva confusa
- Tayuva maculosa
- Thordisa azmanii
- Thordisa filix
- Onchidoridoidea
- Acanthodoris pilosa
- Adalaria proxima
- Aegires leuckartii
- Aegires palensis
- Aegires punctilucens
- Aegires sublaevis
- Ancula gibbosa
- Atalodoris inconspicua
- Atalodoris pictoni
- Atalodoris pusilla
- Atalodoris sparsa
- Bermudella mica
- Bermudella polycerelloides
- Bermudella zoobotryon
- Cargoa impexa
- Cargoa problematica
- Corambe obscura
- Corambe testudinaria
- Diaphorodoris luteocincta
- Diaphorodoris alba
- Diaphorodoris papillata
- Goniodoridella miramarae
- Goniodoridella picoensis
- Idaliadoris depressa
- Idaliadoris neapolitana
- Okenia aspersa
- Okenia elegans
- Okenia hispanica
- Okenia leachii
- Okenia mediterranea
- Okenia nodosa
- Onchidoris bilamellata
- Pelagella castanea
- Trapania bajamarensis
- Trapania fusca
- Trapania graeffei
- Trapania lineata
- Trapania luquei
- Trapania maculata
- Trapania orteai
- Trapania sanctipetrensis
- Trapania tartanella
- Phyllidioidea
- Polyceroidea
- Crimora papillata
- Kaloplocamus ramosus
- Limacia clavigera
- Limacia iberica
- Limacia inesae
- Martadoris mediterranea
- Palio dubia
- Palio nothus
- Plocamopherus maderae
- Plocamopherus ocellatus
- Plocamopherus tilesii
- Polycera aurantiomarginata
- Polycera elegans
- Polycera faeroensis
- Polycera hedgpethi
- Polycera kernowensis
- Polycera norvegica
- Polycera quadrilineata
- Polycerella emertoni
- Tambja ceutae
- Tambja marbellensis
- Thecacera pennigera
- Tyrannodoris europaea
- Chromodoridoidea
- Bathydoridoidei
- Doridoidei
- Cladobranchia
- Aeolidioidea
- Aeolidia filomenae
- Aeolidia papillosa
- Aeolidiella alderi
- Aeolidiella glauca
- Aeolidiella sanguinea
- Anteaeolidiella indica
- Anteaeolidiella lurana
- Babakina anadoni
- Baenopsis baetica
- Baeolidia moebii
- Berghia coerulescens
- Berghia columbina
- Berghia creutzbergi
- Berghia marinae
- Berghia verrucicornis
- Cerberilla bernadettae
- Dondice occidentalis
- Dondice trainitoi
- Facelinidae
- Algarvia alba
- Caloria elegans
- Caloria indica
- Caloria militaris
- Caloria quatrefagesi
- Cratena peregrina
- Dicata odhneri
- Facelina annulicornis
- Facelina auriculata
- Facelina bostoniensis
- Facelina dubia
- Facelina fusca
- Facelina rubrovittata
- Facelina schwobi
- Facelina vicina
- Facelinopsis marioni
- Favorinus blianus
- Favorinus branchialis
- Favorinus ghanensis
- Favorinus vitreus
- Learchis poica
- Phidiana lynceus
- Pruvotfolia pselliotes
- Flabellinidae
- Glaucus atlanticus
- Godiva quadricolor
- Limenandra nodosa
- Nemesignis banyulensis
- Piseinotecus soussi
- Piseinotecus sphaeriferus
- Spurilla neapolitana
- Arminoidea
- Dendronotoidea
- Dendronotus frondosus
- Doto acuta
- Doto alidrisi
- Doto caballa
- Doto cavernicola
- Doto cervicenigra
- Doto coronata
- Doto cuspidata
- Doto eireana
- Doto escatllari
- Doto floridicola
- Doto fragaria
- Doto fragilis
- Doto furva
- Doto koenneckeri
- Doto lemchei
- Doto maculata
- Doto millbayana
- Doto paulinae
- Doto pinnatifida
- Doto pita
- Doto pygmaea
- Doto rosea
- Doto tuberculata
- Doto verdicioi
- Hancockia uncinata
- Lomanotus barlettai
- Lomanotus genei
- Lomanotus marmoratus
- Melibe viridis
- Phylliroe lichtensteinii
- Scyllaea pelagica
- Tethys fimbria
- Embletonioidea
- Fionoidea
- Amphorina andra
- Amphorina farrani
- Amphorina linensis
- Amphorina pallida
- Calma glaucoides
- Calma gobioophaga
- Catriona aurantia
- Catriona maua
- Coryphella verrucosa
- Cumanotus beaumonti
- Cuthona correai
- Cuthona nana
- Cuthona perca
- Cuthona thompsoni
- Cuthona willani
- Eubranchus amazighi
- Eubranchus capellinii
- Eubranchus cingulatus
- Eubranchus doriae
- Eubranchus exiguus
- Eubranchus prietoi
- Eubranchus tricolor
- Eubranchus vittatus
- Fiona pinnata
- Fjordia chriskaugei
- Fjordia insolita
- Fjordia lineata
- Luisella babai
- Microchlamylla gracilis
- Rubramoena amoena
- Rubramoena rubescens
- Tenellia adspersa
- Tergipes tergipes
- Trinchesia albopunctata
- Trinchesia caerulea
- Trinchesia cuanensis
- Trinchesia foliata
- Trinchesia genovae
- Trinchesia granosa
- Trinchesia ilonae
- Trinchesia miniostriata
- Trinchesia morrowae
- Trinchesia ocellata
- Proctonotoidea
- Tritonioidea
- Aeolidioidea
- Doridina
- Pleurobranchida
- Berthella africana
- Berthella aurantiaca
- Berthella ocellata
- Berthella perforata
- Berthella plumula
- Berthella sideralis
- Berthellina citrina
- Berthellina edwardsii
- Pleurehdera stellata
- Pleurobranchaea britannica
- Pleurobranchaea meckeli
- Pleurobranchus forskalii
- Pleurobranchus membranaceus
- Pleurobranchus testudinarius
- Pleurobranchus reticulatus
- Quijote cervantesi
- Pteropoda
- Euthecosomata
- Cavolinia gibbosa
- Cavolinia globulosa
- Cavolinia inflexa
- Cavolinia tridentata
- Cavolinia uncinata
- Clio cuspidata
- Clio pyramidata
- Creseis acicula
- Creseis conica
- Creseis virgula
- Cuvierina columnella
- Diacavolinia limbata
- Diacavolinia longirostris
- Diacria trispinosa
- Heliconoides inflatus
- Hyalocylis striata
- Limacina bulimoides
- Limacina helicina
- Limacina lesueurii
- Limacina retroversa
- Styliola subula
- Pseudothecosomata
- Gymnosomata
- Euthecosomata
- Rhodopoidea
- Ringiculimorpha
- Runcinida
- Sacoglossa
- Oxynooidea
- Plakobranchoidea
- Aplysiopsis elegans
- Aplysiopsis formosa
- Bosellia mimetica
- Caliphylla mediterranea
- Caliphylla viridis
- Calliopaea bellula
- Cyerce cristallina
- Cyerce graeca
- Elysia azorica
- Elysia evelinae
- Elysia fezi
- Elysia flava
- Elysia gordanae
- Elysia manriquei
- Elysia margaritae
- Elysia ornata
- Elysia papillosa
- Elysia rubeni
- Elysia subornata
- Elysia timida
- Elysia tomentosa
- Elysia translucens
- Elysia viridis
- Ercolania coerulea
- Ercolania viridis
- Hermaea bifida
- Hermaea cantabra
- Hermaea cubana
- Hermaea paucicirra
- Hermaea variopicta
- Limapontia capitata
- Limapontia senestra
- Mourgona borgninii
- Placida cremoniana
- Placida dakariensis
- Placida dendritica
- Placida tardyi
- Placida verticilata
- Placida viridis
- Stiliger llerae
- Thuridilla hopei
- Thuridilla mazda
- Umbraculida
- Unidentified Sea Slugs
- Nudibranch.AI
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- Recommended books
- Atlas of the Opisthobranchs of the Central-Eastern Coast of Sicily
- Des Limaces de Rêve
- Guia submarina de Invertebrados no artrópodos
- Sea Slugs of the Algarve
- Nudibranch Behavior
- Nudibranchi del Mediterraneo
- Els nudibranquis del mar catalÃ
- GuÃa práctica para fotografiar nudibranquios del litoral español
- Nudibranquios de la Isla de Tarifa
- Opisthobranchs of the Adriatic Sea
- Videos
- Aplysia fasciata in 30s.
- Aplysia fasciata swimming
- Elysia timida dance
- Llacuna Boja
- Gymnosomata – Sea Angels
- Sea Butterflies
- Lobster attack on Aplysia
- Melibe leonina feeding
- Nudibranch eats nudibranchs
- Nudibranchs of Papua New Guinea
- Opisthobranchs, Sea Harlequins
- Opisthobranchs as bioindicators
- Pteropods: swimming opisthobranchs
- Science Today: Nudibranchs
- Science Today: Killer Nudibranch
- The Secret World of Sea Slugs
- This Adorable Sea Slug is a Sneaky Little Thief
- Cannibalism
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