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the site to watch and learn about Mediterranean and Iberian sea slugs
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Introduction
What is a Sea Slug?
Anatomy of the Sea Slugs
Coloration: Defense strategy
Feeding and radula
Sensory organs and rhinophores
Breathing, cerata and gills
Reproduction
Taxonomy
Classic taxonomy
Glossary
Alien Species
Species by geographic zone
Catalonia (Spain)
Straits of Gibraltar
Croatia
Visual Catalog
Most frequent species
Guide to Sea Slugs
Acochlidiimorpha
Acteonimorpha
Aplysiida
Architectonicoidea
Cephalaspidea
Bulloidea
Cylichnoidea
Haminoeoidea
Philinoidea
Doridida
Doridoidei
Doridoidea
Onchidoridoidea
Phyllidioidea
Polyceroidea
Bathydoridoidei
Nudibranchia
Aeolidioidea
Arminoidea
Dendronotoidea
Embletonioidea
Fionoidea
Proctonotoidea
Tritonioidea
Pleurobranchida
Pteropoda
Euthecosomata
Pseudothecosomata
Gymnosomata
Rhodopoidea
Ringiculimorpha
Runcinida
Sacoglossa
Oxynooidea
Plakobranchoidea
Umbraculida
Â
Unidentified Sea Slugs
Gallery
Sea Slugs of the Costa Brava
Sea Slugs of Granada
Sea Slugs of the Straits of Gibraltar
Sea Slugs of Portugal
Sea Slugs of Galicia (Spain)
Sea Slugs of Asturias (Spain)
Rare Sea Slugs
Radulas
Sea Slugs Postal Stamps
Library
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Manuel Ballesteros
Enric Madrenas
Miquel Pontes
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Guide to Opisthobranchs
Unidentified Sea Slugs
Flabellina sp2
Flabellina sp2
Flabellina cf affinis
by Manuel MartÃnez Chacón
More pictures
Flabellina cf affinis by Manuel MartÃnez Chacón
Flabellina cf affinis by Manuel MartÃnez Chacón
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LANGUAGE
CatalÃ
Español
English
RECENT PUBLICATIONS
Radulas of Sea Slugs
23/07/2026
Rare Sea Slugs
23/07/2026
Sea slugs of Asturias (Spain)
23/07/2026
Sea slugs of Galicia (Spain)
23/07/2026
Sea slugs of the Straits of Gibraltar
23/07/2026
Sea Slugs of Granada
23/07/2026
Sea slugs of Portugal
23/07/2026
Sea slugs of the Costa Brava
23/07/2026
Unidentified Sea Slugs
23/07/2026
Lomanotus barlettai
17/07/2026
Diaphorodoris luteocincta
15/07/2026
Piseinotecus sphaeriferus
12/07/2026
Algarvia alba
12/07/2026
Pyrunculus hoernesi
11/07/2026
Aegires sublaevis
10/07/2026
RECENT ARTICLES
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
How to distinguish Trinchesia with blue and yellow cerata
16/03/2022
VISUAL CATALOG
MAP
Home
News
Site Map
Language – Idioma
Pictures Wanted
Privacy Policy
Cookie Policy (EU)
GDPR
GDPR – Data Access Request
Register
Contact us
Introduction to Sea Slugs
What is a Sea Slug ?
Anatomy of the opisthobranchs
Coloration: Defense strategy
Feeding and radula
Sensory organs and rhinophores
Breathing, cerata and gills
Reproduction
Taxonomy
Classic taxon
Glossary
Alien Species
Visual Catalog
Species by geographic zone
Catalonia (Spain)
Straits of Gibraltar
Croatia
Most frequent species
Guide to Opisthobranchs
Acochlidiimorpha
Asperspina loricata
Hedylopsis spiculifera
Microhedyle glandulifera
Pontohedyle milaschewitchii
Aplysiida
Akera bullata
Aplysia dactylomela
Aplysia depilans
Aplysia fasciata
Aplysia juliana
Aplysia morio
Aplysia parvula
Aplysia punctata
Bursatella leachii
Dolabrifera edmundsi
Notarchus indicus
Notarchus punctatus
Petalifera petalifera
Phyllaplysia lafonti
Stylocheilus polyomma
Syphonota geographica
Acteonimorpha
Acteon incisus
Acteon monterosatoi
Acteon tornatilis
Callostracon amabile
Crenilabium exile
Hydatina physis
Japonactaeon pusillus
Micromelo undatus
Rapturella globulina
Architectonicoidea
Heliacus fallaciosus
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
Cylichna alba
Cylichna brocchii
Cylichna cylindracea
Diaphana globosa
Diaphana minuta
Mnestia girardi
Haminoeoidea
Aliculastrum cylindricum
Atys blainvillianus
Haloa japonica
Haminoea elegans
Haminoea exigua
Haminoea hydatis
Haminoea navicula
Haminoea orbignyana
Haminoea orteai
Lamprohaminoea ovalis
Roxaniella jeffreysi
Weinkauffia macandrewii
Weinkauffia turgidula
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
Doridida
Doridoidei
Doridoidea
Aporodoris millegrana
Aldisa banyulensis
Aldisa smaragdina
Aldisa zetlandica
Archidoris pseudoargus
Atagema gibba
Atagema rugosa
Atagema spongiosa
Baptodoris cinnabarina
Cadlina laevis
Cadlina pellucida
Chromodoris quadricolor
Chromolaichma edmundsi
Discodoris stellifera
Doris adrianae
Doris berghi
Doris bertheloti
Doris marmorata
Doris ocelligera
Doris sticta
Doris verrucosa
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
Gargamella boucheti
Gargamella perezi
Gargamella rosi
Geitodoris bacalladoi
Geitodoris bonosi
Geitodoris perfossa
Geitodoris planata
Geitodoris portmanni
Geitodoris pusae
Geitodoris rubens
Goniobranchus annulatus
Goniobranchus obsoletus
Halgerda willeyi
Hypselodoris infucata
Hypselodoris pulchella
Jorunna efe
Jorunna evansi
Jorunna onubensis
Jorunna spazzola
Jorunna tomentosa
Paradoris indecora
Peltodoris atromaculata
Peltodoris punctifera
Platydoris argo
Rostanga anthelia
Rostanga rubra
Rudmania krohni
Rudmania purpurea
Taringa armata
Taringa faba
Taringa pinoi
Tayuva confusa
Tayuva maculosa
Thordisa azmanii
Thordisa filix
Onchidoridoidea
Acanthodoris pilosa
Adalaria proxima
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
Dendrodoris fumata
Dendrodoris grandiflora
Dendrodoris herytra
Dendrodoris limbata
Dendrodoris temarana
Doriopsilla areolata
Doriopsilla pelseneeri
Doriopsilla rarispinosa
Phyllidia flava
Phyllidiopsis bayi
Polyceroidea
Aegires leuckartii
Aegires palensis
Aegires punctilucens
Aegires sublaevis
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
Bathydoridoidei
Nudibranchia
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
Calmella cavolini
Calmella gaditana
Carronella pellucida
Coryphellina rubrolineata
Edmundsella pedata
Flabellina affinis
Flabellina dushia
Paraflabellina gabinierei
Paraflabellina ischitana
Glaucus atlanticus
Godiva quadricolor
Limenandra nodosa
Nemesignis banyulensis
Piseinotecus soussi
Piseinotecus sphaeriferus
Spurilla neapolitana
Arminoidea
Armina loveni
Armina maculata
Armina neapolitana
Armina tigrina
Dendronotoidea
Dendronotus frondosus
Doto alidrisi
Doto caballa
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
Embletonia mediterranea
Embletonia pulchra
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
Antiopella cristata
Janolus hyalinus
Madrella aurantiaca
Proctonotus mucroniferus
Tritonioidea
Candiella cincta
Candiella coralliumrubri
Candiella lineata
Candiella manicata
Candiella odhneri
Candiella plebeia
Candiella striata
Candiella taliartensis
Marionia blainvillea
Marionia gemmii
Tritonia callogorgiae
Tritonia hombergii
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
Corolla spectabilis
Cymbulia peronii
Peracle reticulata
Gymnosomata
Clione limacina
Cliopsis krohnii
Pneumoderma mediterraneum
Pneumoderma violaceum
Rhodopoidea
Rhodope roskoi
Rhodope veranii
Ringiculimorpha
Ringicula auriculata
Ringicula buccinea
Ringicula conformis
Ringicula minutula
Runcinida
Runcina adriatica
Runcina africana
Runcina avellana
Runcina bahiensis
Runcina brenkoae
Runcina capreensis
Runcina coronata
Runcina ferruginea
Runcina hansbechi
Runcina ornata
Runcina zavodniki
Sacoglossa
Oxynooidea
Ascobulla fragilis
Lobiger serradifalci
Oxynoe olivacea
Oxynoe viridis
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
Tylodina perversa
Tylodina rafinesquii
Umbraculum umbraculum
Unidentified Sea Slugs
Aglaja sp1
Berthella sp2
Cuthona sp2
Doridacean 001
Doridacean 002
Doridacean 003
Doridacean 004
Doridacean 005
Doridacean 006
Doridacean 007
Doridacean 008
Doto sp.
Duvaucelia sp.
Flabellina sp1
Flabellina sp2
Flabellina sp3
Haminoea 001
Haminoea 002
Rubramoena sp.
Runcina sp.
Trapania sp.
Gallery
Sea slugs of the Costa Brava
Sea Slugs of Granada
Sea slugs of Portugal
Sea slugs of the Straits of Gibraltar
Sea slugs of Galicia (Spain)
Sea slugs of Asturias (Spain)
Rare Sea Slugs
Unidentified Sea Slugs
Radulas of Sea Slugs
Sea Slugs Postal Stamps
Library
Links
Documents
Journals
Recommended books
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
Articles
Who are we ?
Enric Madrenas
Manuel Ballesteros
Miquel Pontes
Other contributors