Plakobranchidae
Every sea snails & slug on Fin, recorded across our dive sites.
Elysia crispata
Thuridilla hopei
Cypraea tigris
Elysia timida
Elysia viridis
Charonia lampas
Chelidonura amoena
Monetaria annulus
Elysia marginata
Conus textile
Chelidonura hirundinina
Lamprohaminoea ovalis
Hydatina physis
Chelidonura varians
Naria spurca
Elysia diomedea
Sagaminopteron psychedelicum
Monetaria caputserpentis
Navanax inermis
Luria lurida
Monetaria moneta
Naria erosa
Placida dendritica
Monetaria caputophidii
Plakobranchus ocellatus
Elysia gordanae
Micromelo undatus
Costasiella usagi
Neobernaya spadicea
Elysia ornata
Bulla occidentalis
Costasiella ocellifera
Mauritia mauritiana
Bosellia mimetica
Tubulophilinopsis pilsbryi
Ercolania coerulea
Navanax gemmatus
Pleurobranchaea maculata
Luria cinerea
Costasiella kuroshimae
Bullina lineata
Elysia velutinus
Thuridilla lineolata
Elysia coodgeensis
Mauritia arabica
Colpodaspis thompsoni
Camachoaglaja africana
Philinopsis speciosa
Bulla quoyii
Thuridilla mazda
Lyncina lynx
Luria isabella
Elysia pusilla
Cassis cornuta
Cyerce elegans
Erronea errones
Plakobranchus papua
Cyerce nigra
Oxynoe viridis
Thuridilla carlsoni
Elysia flava
Macrocypraea cervinetta
Chelidonura livida
Elysia ellenae
Haminoea virescens
Thuridilla picta
Ercolania boodleae
Pleurobranchaea bubala
Mauritia maculifera
Sagaminopteron nigropunctatum
Cyerce blackburnae
Elysia cornigera
Hermaea bifida
Cyerce katiae
Nakamigawaia felis
Staphylaea staphylaea
Lyncina vitellus
Elysia pratensis
Talparia talpa
Oxynoe antillarum
Purpuradusta gracilis
Elysia jibacoaensis
Chelidonura alisonae
Thuridilla albopustulosa
Thuridilla moebii
Conus geographus
Elysia zuleicae
Mauritia eglantina
Elysia papillosa
Lobiger souverbii
Leporicypraea mappa
Mariaglaja tsurugensis
Camachoaglaja mariagordae
Mariaglaja inornata
Palmadusta asellus
Lamprohaminoea cymbalum
Pustularia globulus
Elysia expansa
Pustularia cicercula
Cribrarula cribraria
Erronea caurica
Bulla gouldiana
Thuridilla decorata
Aplysiopsis enteromorphae
Sacoproteus smaragdinus
Tubulophilinopsis gardineri
Elysia zemi
Hydatina amplustre
Nucleolaria nucleus
Tubulophilinopsis lineolata
Atys semistriatus
Placida verticilata
Thuridilla gracilis
Oxynoe kylei
Thuridilla ratna
Siphopteron tigrinum
Euselenops luniceps
Biuve fulvipunctata
Melanochlamys miqueli
Aglaja tricolorata
Gastropteron pacificum
Thuridilla neona
Cyerce graeca
Aliculastrum cylindricum
Gastropteron chacmol
Pleurobranchaea brockii
Thuridilla vataae
Pleurobranchaea californica
Smaragdinella calyculata
Diniatys dubius
Aglaja ocelligera
Elysia hedgpethi
Mourgona murca
Philine aperta
Spinophallus falciphallus
Chelidonura cubana
Odontoglaja guamensis
Palmadusta ziczac
Cyerce basi
Haminoea vesicula
Elysia maoria
Haminoea hydatis
Ovatipsa chinensis
Micromelo scriptus
Cyerce nigricans
Cyerce kikutarobabai
Costasiella fridae
Siphopteron makisig
Nucleolaria granulata
Tubulophilinopsis reticulata
Every member ranked by how many dive sites hold them, with the traits a diver cares about.
| Species | Diver appeal | Findability | Size | Depth | Sites | Status |
|---|---|---|---|---|---|---|
| Lettuce Sea SlugElysia crispata |
| Easy to miss |
| – |
| – |
| 1,013 |
| Least concern |
| Splendid ElysiaThuridilla hopei | Hard to spot | – | – | 840 | Least concern |
| Tiger CowrieCypraea tigris | Easy to miss | – | – | 586 | Least concern |
 Elysia TimidaElysia timida | – | – | – | 573 | Least concern |
 Sap-sucking SlugElysia viridis | – | 2cm | 5-20m | 408 | Least concern |
| Knobbed TritonCharonia lampas | Easy to miss | – | – | 294 | Least concern |
 Headshield SlugChelidonura amoena | – | 3cm | – | 286 | Least concern |
 Gold Ring CowrieMonetaria annulus | – | 2cm | 1-8m | 261 | Least concern |
 Tri-banded Taco SlugElysia marginata | – | – | – | 237 | Least concern |
| Cloth-of-gold ConeConus textile | Hard to spot | – | – | 232 | Least concern |
| T-bar SwallowtailChelidonura hirundinina | Easy to miss | – | – | 219 | Least concern |
 Oval Bubble SnailLamprohaminoea ovalis | – | 0cm | – | 216 | Least concern |
 Striped Bubble ShellHydatina physis | – | 2cm | 0-20m | 183 | Least concern |
 Blue Velvet Headshield SlugChelidonura varians | – | 2cm | – | 175 | Least concern |
 Dirty CowryNaria spurca | – | 2cm | – | 173 | Least concern |
 Mexican DancerElysia diomedea | – | 7cm | – | 169 | Least concern |
| Psychedelic BatwingSagaminopteron psychedelicum | Easy to miss | – | – | 166 | Least concern |
 Serpent's Head CowrieMonetaria caputserpentis | – | – | – | 165 | Least concern |
 NavanaxNavanax inermis | – | 15cm | – | 158 | Least concern |
 Lurid CowrieLuria lurida | – | – | – | 153 | Least concern |
 Money CowrieMonetaria moneta | – | 2cm | 0-70m | 129 | Least concern |
 Eroded CowrieNaria erosa | – | 4cm | – | 128 | Least concern |
 Dendritic NudibranchPlacida dendritica | – | – | 0-10m | 121 | Least concern |
 Snake's Head CowryMonetaria caputophidii | – | – | – | 119 | Least concern |
 Ringed Sap-sucking SlugPlakobranchus ocellatus | – | 2cm | – | 109 | Least concern |
 Elysia GordanaeElysia gordanae | – | – | – | 106 | Least concern |
 Wavy-lined BubbleMicromelo undatus | – | 2cm | – | 106 | Least concern |
| Rabbit Sapsucking SlugCostasiella usagi | Hard to spot | – | – | 94 | Least concern |
 Chestnut CowrieNeobernaya spadicea | – | – | – | 94 | Least concern |
 Lettuce SlugElysia ornata | – | 3cm | – | 92 | Least concern |
 Bulla OccidentalisBulla occidentalis | – | – | – | 87 | Least concern |
 Eyespot CostasiellaCostasiella ocellifera | – | 0cm | 2-10m | 82 | Least concern |
 Humpback CowrieMauritia mauritiana | – | – | – | 82 | Least concern |
 NudibranchBosellia mimetica | – | 0cm | 2m | 78 | Least concern |
 Tubulophilinopsis pilsbryiTubulophilinopsis pilsbryi | – | – | – | 78 | Least concern |
 Blue StiligerErcolania coerulea | – | – | – | 74 | Least concern |
 Navanax gemmatusNavanax gemmatus | – | – | – | 73 | Least concern |
 Grey Side-grilled SlugPleurobranchaea maculata | – | 7cm | – | 70 | Least concern |
 Ashen CowrieLuria cinerea | – | 2cm | – | 69 | Least concern |
| Diamond-mask Sap-suckerCostasiella kuroshimae | Hard to spot | – | – | 69 | Least concern |
 Lined Bubble SnailBullina lineata | – | 1cm | 0-45m | 64 | Least concern |
 Sacoglossan Sea SlugElysia velutinus | – | 3cm | – | 63 | Least concern |
 Lined ThuridillaThuridilla lineolata | – | 1cm | – | 61 | Least concern |
 Coodgee ElysiaElysia coodgeensis | – | – | 0-3m | 59 | Least concern |
 Arabian CowryMauritia arabica | – | 7cm | Up to 10m | 59 | Least concern |
 Fried Egg Bubble SnailColpodaspis thompsoni | – | – | 3-41m | 55 | Least concern |
 Camachoaglaja AfricanaCamachoaglaja africana | – | – | – | 54 | Least concern |
 Beautiful SwallowtailPhilinopsis speciosa | – | – | – | 53 | Least concern |
 Brown Bubble ShellBulla quoyii | – | – | – | 52 | Least concern |
 Thuridilla MazdaThuridilla mazda | – | 1cm | – | 52 | Least concern |
 Lynx CowrieLyncina lynx | – | 6cm | – | 52 | Least concern |
 Isabella CowrieLuria isabella | – | – | – | 51 | Least concern |
 Halimeda Taco SlugElysia pusilla | – | 2cm | – | 49 | Least concern |
| Giant HelmetCassis cornuta | Easy to miss | – | – | 49 | Least concern |
| Elegant Sapsucking SlugCyerce elegans | Easy to miss | – | – | 49 | Least concern |
 Mistaken CowrieErronea errones | – | 3cm | – | 48 | Least concern |
 Plakobranchus PapuaPlakobranchus papua | – | – | – | 48 | Least concern |
 Black CyerceCyerce nigra | – | – | – | 48 | Least concern |
 Green LeafsnailOxynoe viridis | – | – | – | 47 | Least concern |
 Carlson's ThuridillaThuridilla carlsoni | – | 1cm | – | 43 | Least concern |
 Yellow ElysiaElysia flava | – | 1cm | – | 42 | Least concern |
 Deer CowryMacrocypraea cervinetta | – | 6cm | – | 40 | Least concern |
 Blue-ringed SwallowtailChelidonura livida | – | 4cm | – | 40 | Least concern |
 Elysia EllenaeElysia ellenae | – | – | – | 39 | Least concern |
 Green Bubble SnailHaminoea virescens | – | 0cm | – | 39 | Least concern |
 Painted ElysiaThuridilla picta | – | 1cm | – | 38 | Least concern |
 Boodlea SapsuckerErcolania boodleae | – | 1cm | – | 38 | Least concern |
 Warty PleurobranchPleurobranchaea bubala | – | – | – | 37 | Least concern |
 Reticulated CowrieMauritia maculifera | – | 7cm | – | 37 | Least concern |
 Sagaminopteron nigropunctatumSagaminopteron nigropunctatum | – | – | – | 35 | Least concern |
 Cyerce blackburnaeCyerce blackburnae | – | – | – | 35 | Least concern |
 Horned ElysiaElysia cornigera | – | 1cm | – | 34 | Least concern |
 Hermaea bifidaHermaea bifida | – | 1cm | – | 33 | Least concern |
 Cyerce KatiaeCyerce katiae | – | – | – | 33 | Least concern |
 Cat AglajaNakamigawaia felis | – | 0cm | 1-18m | 32 | Least concern |
 Grape CowrieStaphylaea staphylaea | – | – | – | 31 | Least concern |
 Calf CowrieLyncina vitellus | – | 7cm | 0-25m | 30 | Least concern |
 Elysia PratensisElysia pratensis | – | – | – | 29 | Least concern |
 Mole CowryTalparia talpa | – | 7cm | – | 29 | Least concern |
 Antilles OxynoeOxynoe antillarum | – | – | – | 29 | Least concern |
 Graceful CowryPurpuradusta gracilis | – | – | – | 26 | Least concern |
 Elysia jibacoaensisElysia jibacoaensis | – | – | – | 26 | Least concern |
 Chelidonura alisonaeChelidonura alisonae | – | – | – | 25 | Least concern |
 White-spotted ThuridillaThuridilla albopustulosa | – | – | – | 25 | Least concern |
 Milky Way Sap SuckerThuridilla moebii | – | – | – | 24 | Least concern |
| Geographer ConeConus geographus | Hard to spot | – | – | 24 | Least concern |
 Elysia ZuleicaeElysia zuleicae | – | 1cm | – | 24 | Least concern |
 Eglantine CowrieMauritia eglantina | – | – | – | 22 | Least concern |
 Papillose ElysiaElysia papillosa | – | 3cm | – | 22 | Least concern |
 Souverbie's LobigerLobiger souverbii | – | 1cm | – | 21 | Least concern |
 Map CowrieLeporicypraea mappa | – | – | – | 21 | Least concern |
 Headshield SlugMariaglaja tsurugensis | – | 1cm | – | 21 | Least concern |
 Camachoaglaja mariagordaeCamachoaglaja mariagordae | – | – | – | 21 | Least concern |
 Headshield SlugMariaglaja inornata | – | 3cm | – | 20 | Least concern |
 Little Ass CowryPalmadusta asellus | – | 2cm | – | 19 | Least concern |
 Bubble SnailLamprohaminoea cymbalum | – | 1cm | – | 19 | Least concern |
 Globose CowriePustularia globulus | – | – | – | 18 | Least concern |
 Elysia ExpansaElysia expansa | – | – | – | 18 | Least concern |
 Chick-pea CowriePustularia cicercula | – | – | – | 17 | Least concern |
 Sieve CowrieCribrarula cribraria | – | – | – | 17 | Least concern |
 Thick-edged CowryErronea caurica | – | – | – | 17 | Least concern |
 California BubbleBulla gouldiana | – | 4cm | – | 17 | Least concern |
 Sacoglossan Sea SlugThuridilla decorata | – | – | – | 17 | Least concern |
 Enteromorpha-eating SapsuckerAplysiopsis enteromorphae | – | 1cm | – | 17 | Least concern |
 Emerald SlugSacoproteus smaragdinus | – | 1cm | – | 17 | Least concern |
 Gardiner's Headshield SlugTubulophilinopsis gardineri | – | 3cm | – | 16 | Least concern |
 Elysia ZemiElysia zemi | – | – | – | 16 | Least concern |
 Chocolate-banded Bubble SnailHydatina amplustre | – | 3cm | – | 15 | Least concern |
 Kernel CowryNucleolaria nucleus | – | 2cm | – | 15 | Least concern |
 Tubulophilinopsis LineolataTubulophilinopsis lineolata | – | – | – | 14 | Least concern |
 Variably Banded BubbleAtys semistriatus | – | – | – | 14 | Least concern |
 Placida VerticilataPlacida verticilata | – | – | – | 13 | Least concern |
 Slender Sap Sucking SlugThuridilla gracilis | – | 1cm | – | 12 | Least concern |
 Oxynoe KyleiOxynoe kylei | – | – | – | 12 | Least concern |
 Thuridilla ratnaThuridilla ratna | – | – | – | 11 | Least concern |
 Siphopteron TigrinumSiphopteron tigrinum | – | – | – | 11 | Least concern |
 Leopard PleurobranchEuselenops luniceps | – | 5cm | – | 11 | Least concern |
 Headshield SlugBiuve fulvipunctata | – | 1cm | – | 10 | Least concern |
 Melanochlamys miqueliMelanochlamys miqueli | – | – | – | 10 | Least concern |
 Headshield SlugAglaja tricolorata | – | – | – | 10 | Least concern |
 Pacific Batwing SeaslugGastropteron pacificum | – | 3cm | – | 10 | Least concern |
 Neon ThuridillaThuridilla neona | – | 1cm | – | 9 | Least concern |
 Cyerce GraecaCyerce graeca | – | – | – | 9 | Least concern |
 Cylinder BubbleAliculastrum cylindricum | – | – | – | 9 | Least concern |
 Chacmol Bat-wing Sea SlugGastropteron chacmol | – | 1cm | – | 9 | Least concern |
 Spotted PleurobranchPleurobranchaea brockii | – | – | – | 8 | Least concern |
 Buttery Taco SlugThuridilla vataae | – | – | – | 8 | Least concern |
 Orange BlobPleurobranchaea californica | – | 15cm | – | 8 | Least concern |
 Emerald Bubble SnailSmaragdinella calyculata | – | – | – | 8 | Least concern |
 Diniatys DubiusDiniatys dubius | – | – | – | 8 | Least concern |
 Eyespot AglajaAglaja ocelligera | – | 1cm | – | 7 | Least concern |
 Hedgpeth's SapsuckerElysia hedgpethi | – | 1cm | – | 7 | Least concern |
 Mourgona MurcaMourgona murca | – | 1cm | – | 7 | Least concern |
 Paper-bubblePhiline aperta | – | – | – | 6 | Least concern |
 Spinophallus falciphallusSpinophallus falciphallus | – | – | – | 6 | Least concern |
 Chelidonura CubanaChelidonura cubana | – | 1cm | – | 5 | Least concern |
 Guam OdontoglajaOdontoglaja guamensis | – | 1cm | – | 5 | Least concern |
 Zigzag CowryPalmadusta ziczac | – | 1cm | – | 5 | Least concern |
 Cyerce BasiCyerce basi | – | – | – | 5 | Least concern |
 Blister Glassy-bubbleHaminoea vesicula | – | 1cm | – | 4 | Least concern |
 Maori ElysiaElysia maoria | – | 1cm | – | 4 | Least concern |
 Haminoea HydatisHaminoea hydatis | – | – | – | 3 | Least concern |
 Chinese CowryOvatipsa chinensis | – | 4cm | – | 3 | Least concern |
 Micromelo scriptusMicromelo scriptus | – | – | – | 2 | Least concern |
 Black And Gold Sap Sucking SlugCyerce nigricans | – | 1cm | – | 2 | Least concern |
 Cyerce KikutarobabaiCyerce kikutarobabai | – | – | – | 2 | Least concern |
 Eyebrow Sap-suckerCostasiella fridae | – | – | – | 1 | Least concern |
 Siphopteron MakisigSiphopteron makisig | – | – | – | 1 | Least concern |
 Granulated CowryNucleolaria granulata | – | – | – | 1 | Least concern |
 Batik Sea SlugTubulophilinopsis reticulata | – | – | – | 1 | Least concern |