Conidae
Every sea snails & slug on Fin, recorded across our dive sites.
Conus spp.
Charonia spp.
Charonia lampas
Elysia crispata
Charonia tritonis
Thuridilla hopei
Cypraea tigris
Elysia timida
Elysia viridis
Chelidonura amoena
Monetaria annulus
Elysia marginata
Chelidonura hirundinina
Lamprohaminoea ovalis
Hydatina physis
Chelidonura varians
Naria spurca
Elysia diomedea
Luria lurida
Sagaminopteron psychedelicum
Monetaria caputserpentis
Navanax inermis
Naria erosa
Monetaria moneta
Conus textile
Placida dendritica
Monetaria caputophidii
Plakobranchus ocellatus
Elysia gordanae
Micromelo undatus
Costasiella usagi
Elysia ornata
Neobernaya spadicea
Bulla occidentalis
Costasiella ocellifera
Mauritia mauritiana
Tubulophilinopsis pilsbryi
Bosellia mimetica
Ercolania coerulea
Navanax gemmatus
Pleurobranchaea maculata
Costasiella kuroshimae
Luria cinerea
Elysia velutinus
Bullina lineata
Thuridilla lineolata
Mauritia arabica
Elysia coodgeensis
Colpodaspis thompsoni
Camachoaglaja africana
Bulla quoyii
Thuridilla mazda
Philinopsis speciosa
Lyncina lynx
Elysia pusilla
Luria isabella
Cassis cornuta
Cyerce elegans
Cyerce nigra
Plakobranchus papua
Erronea errones
Oxynoe viridis
Thuridilla carlsoni
Elysia flava
Macrocypraea cervinetta
Chelidonura livida
Elysia ellenae
Haminoea virescens
Thuridilla picta
Ercolania boodleae
Pleurobranchaea bubala
Mauritia maculifera
Cyerce blackburnae
Sagaminopteron nigropunctatum
Elysia cornigera
Hermaea bifida
Cyerce katiae
Nakamigawaia felis
Staphylaea staphylaea
Lyncina vitellus
Talparia talpa
Elysia pratensis
Oxynoe antillarum
Elysia jibacoaensis
Purpuradusta gracilis
Chelidonura alisonae
Thuridilla albopustulosa
Elysia zuleicae
Thuridilla moebii
Conus geographus
Mauritia eglantina
Elysia papillosa
Camachoaglaja mariagordae
Leporicypraea mappa
Lobiger souverbii
Mariaglaja tsurugensis
Mariaglaja inornata
Lamprohaminoea cymbalum
Palmadusta asellus
Elysia expansa
Pustularia globulus
Sacoproteus smaragdinus
Thuridilla decorata
Bulla gouldiana
Erronea caurica
Cribrarula cribraria
Pustularia cicercula
Aplysiopsis enteromorphae
Elysia zemi
Tubulophilinopsis gardineri
Atys semistriatus
Nucleolaria nucleus
Hydatina amplustre
Tubulophilinopsis lineolata
Thuridilla gracilis
Placida verticilata
Oxynoe kylei
Thuridilla ratna
Euselenops luniceps
Siphopteron tigrinum
Gastropteron pacificum
Aglaja tricolorata
Biuve fulvipunctata
Melanochlamys miqueli
Cyerce graeca
Gastropteron chacmol
Aliculastrum cylindricum
Diniatys dubius
Thuridilla neona
Pleurobranchaea californica
Thuridilla vataae
Smaragdinella calyculata
Pleurobranchaea brockii
Aglaja ocelligera
Elysia hedgpethi
Mourgona murca
Philine aperta
Spinophallus falciphallus
Cyerce basi
Odontoglaja guamensis
Palmadusta ziczac
Chelidonura cubana
Elysia maoria
Haminoea vesicula
Ovatipsa chinensis
Haminoea hydatis
Cyerce kikutarobabai
Micromelo scriptus
Cyerce nigricans
Costasiella fridae
Nucleolaria granulata
Bulla mabillei
Tubulophilinopsis reticulata
Siphopteron makisig
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 |
|---|---|---|---|---|---|---|
| Cone SnailConus spp. |
| – |
| – |
| – |
| 5,877 |
| Least concern |
| Triton ShellCharonia spp. | – | – | – | 2,297 | Least concern |
| Knobbed TritonCharonia lampas | Easy to miss | – | – | 1,496 | Least concern |
| Lettuce Sea SlugElysia crispata | Easy to miss | – | – | 1,014 | Least concern |
| Triton's TrumpetCharonia tritonis | – | 35cm | 1-40m | 922 | Least concern |
| Splendid ElysiaThuridilla hopei | Hard to spot | – | – | 840 | Least concern |
| Tiger CowrieCypraea tigris | Easy to miss | – | – | 583 | Least concern |
 Elysia TimidaElysia timida | – | – | – | 574 | Least concern |
 Sap-sucking SlugElysia viridis | – | 2cm | 5-20m | 407 | Least concern |
 Headshield SlugChelidonura amoena | – | 3cm | – | 283 | Least concern |
 Gold Ring CowrieMonetaria annulus | – | 2cm | 1-8m | 259 | Least concern |
 Tri-banded Taco SlugElysia marginata | – | – | – | 237 | Least concern |
| T-bar SwallowtailChelidonura hirundinina | Easy to miss | – | – | 222 | Least concern |
 Oval Bubble SnailLamprohaminoea ovalis | – | 0cm | – | 215 | Least concern |
 Striped Bubble ShellHydatina physis | – | 2cm | 0-20m | 182 | Least concern |
 Blue Velvet Headshield SlugChelidonura varians | – | 2cm | – | 175 | Least concern |
 Dirty CowryNaria spurca | – | 2cm | – | 174 | Least concern |
 Mexican DancerElysia diomedea | – | 7cm | – | 171 | Least concern |
 Lurid CowrieLuria lurida | – | – | – | 164 | Least concern |
| Psychedelic BatwingSagaminopteron psychedelicum | Easy to miss | – | – | 163 | Least concern |
 Serpent's Head CowrieMonetaria caputserpentis | – | – | – | 162 | Least concern |
 NavanaxNavanax inermis | – | 15cm | – | 158 | Least concern |
 Eroded CowrieNaria erosa | – | 4cm | – | 128 | Least concern |
 Money CowrieMonetaria moneta | – | 2cm | 0-70m | 123 | Least concern |
| Cloth-of-gold ConeConus textile | Hard to spot | – | – | 123 | 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 | – | 105 | Least concern |
| Rabbit Sapsucking SlugCostasiella usagi | Hard to spot | – | – | 94 | Least concern |
 Lettuce SlugElysia ornata | – | 3cm | – | 94 | Least concern |
 Chestnut CowrieNeobernaya spadicea | – | – | – | 94 | Least concern |
 Bulla OccidentalisBulla occidentalis | – | – | – | 87 | Least concern |
 Eyespot CostasiellaCostasiella ocellifera | – | 0cm | 2-10m | 84 | Least concern |
 Humpback CowrieMauritia mauritiana | – | – | – | 82 | Least concern |
 Tubulophilinopsis pilsbryiTubulophilinopsis pilsbryi | – | – | – | 79 | Least concern |
 NudibranchBosellia mimetica | – | 0cm | 2m | 78 | Least concern |
 Blue StiligerErcolania coerulea | – | – | – | 74 | Least concern |
 Navanax gemmatusNavanax gemmatus | – | – | – | 73 | Least concern |
 Grey Side-grilled SlugPleurobranchaea maculata | – | 7cm | – | 70 | Least concern |
| Diamond-mask Sap-suckerCostasiella kuroshimae | Hard to spot | – | – | 69 | Least concern |
 Ashen CowrieLuria cinerea | – | 2cm | – | 69 | Least concern |
 Sacoglossan Sea SlugElysia velutinus | – | 3cm | – | 65 | Least concern |
 Lined Bubble SnailBullina lineata | – | 1cm | 0-45m | 64 | Least concern |
 Lined ThuridillaThuridilla lineolata | – | 1cm | – | 60 | Least concern |
 Arabian CowryMauritia arabica | – | 7cm | Up to 10m | 59 | Least concern |
 Coodgee ElysiaElysia coodgeensis | – | – | 0-3m | 59 | Least concern |
 Fried Egg Bubble SnailColpodaspis thompsoni | – | – | 3-41m | 56 | Least concern |
 Camachoaglaja AfricanaCamachoaglaja africana | – | – | – | 54 | Least concern |
 Brown Bubble ShellBulla quoyii | – | – | – | 52 | Least concern |
 Thuridilla MazdaThuridilla mazda | – | 1cm | – | 52 | Least concern |
 Beautiful SwallowtailPhilinopsis speciosa | – | – | – | 52 | Least concern |
 Lynx CowrieLyncina lynx | – | 6cm | – | 52 | Least concern |
 Halimeda Taco SlugElysia pusilla | – | 2cm | – | 49 | Least concern |
 Isabella CowrieLuria isabella | – | – | – | 49 | Least concern |
| Giant HelmetCassis cornuta | Easy to miss | – | – | 49 | Least concern |
| Elegant Sapsucking SlugCyerce elegans | Easy to miss | – | – | 49 | Least concern |
 Black CyerceCyerce nigra | – | – | – | 48 | Least concern |
 Plakobranchus PapuaPlakobranchus papua | – | – | – | 48 | Least concern |
 Mistaken CowrieErronea errones | – | 3cm | – | 48 | Least concern |
 Green LeafsnailOxynoe viridis | – | – | – | 45 | Least concern |
 Carlson's ThuridillaThuridilla carlsoni | – | 1cm | – | 43 | Least concern |
 Yellow ElysiaElysia flava | – | 1cm | – | 42 | Least concern |
 Deer CowryMacrocypraea cervinetta | – | 6cm | – | 41 | 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 |
 Cyerce blackburnaeCyerce blackburnae | – | – | – | 35 | Least concern |
 Sagaminopteron nigropunctatumSagaminopteron nigropunctatum | – | – | – | 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 | – | – | – | 32 | Least concern |
 Calf CowrieLyncina vitellus | – | 7cm | 0-25m | 30 | Least concern |
 Mole CowryTalparia talpa | – | 7cm | – | 29 | Least concern |
 Elysia PratensisElysia pratensis | – | – | – | 29 | Least concern |
 Antilles OxynoeOxynoe antillarum | – | – | – | 29 | Least concern |
 Elysia jibacoaensisElysia jibacoaensis | – | – | – | 26 | Least concern |
 Graceful CowryPurpuradusta gracilis | – | – | – | 26 | Least concern |
 Chelidonura alisonaeChelidonura alisonae | – | – | – | 25 | Least concern |
 White-spotted ThuridillaThuridilla albopustulosa | – | – | – | 25 | Least concern |
 Elysia ZuleicaeElysia zuleicae | – | 1cm | – | 24 | Least concern |
 Milky Way Sap SuckerThuridilla moebii | – | – | – | 24 | Least concern |
| Geographer ConeConus geographus | Hard to spot | – | – | 24 | Least concern |
 Eglantine CowrieMauritia eglantina | – | – | – | 23 | Least concern |
 Papillose ElysiaElysia papillosa | – | 3cm | – | 22 | Least concern |
 Camachoaglaja mariagordaeCamachoaglaja mariagordae | – | – | – | 21 | Least concern |
 Map CowrieLeporicypraea mappa | – | – | – | 21 | Least concern |
 Souverbie's LobigerLobiger souverbii | – | 1cm | – | 21 | Least concern |
 Headshield SlugMariaglaja tsurugensis | – | 1cm | – | 20 | Least concern |
 Headshield SlugMariaglaja inornata | – | 3cm | – | 19 | Least concern |
 Bubble SnailLamprohaminoea cymbalum | – | 1cm | – | 19 | Least concern |
 Little Ass CowryPalmadusta asellus | – | 2cm | – | 19 | Least concern |
 Elysia ExpansaElysia expansa | – | – | – | 18 | Least concern |
 Globose CowriePustularia globulus | – | – | – | 18 | Least concern |
 Emerald SlugSacoproteus smaragdinus | – | 1cm | – | 17 | Least concern |
 Sacoglossan Sea SlugThuridilla decorata | – | – | – | 17 | Least concern |
 California BubbleBulla gouldiana | – | 4cm | – | 17 | Least concern |
 Thick-edged CowryErronea caurica | – | – | – | 17 | Least concern |
 Sieve CowrieCribrarula cribraria | – | – | – | 17 | Least concern |
 Chick-pea CowriePustularia cicercula | – | – | – | 17 | Least concern |
 Enteromorpha-eating SapsuckerAplysiopsis enteromorphae | – | 1cm | – | 17 | Least concern |
 Elysia ZemiElysia zemi | – | – | – | 16 | Least concern |
 Gardiner's Headshield SlugTubulophilinopsis gardineri | – | 3cm | – | 16 | Least concern |
 Variably Banded BubbleAtys semistriatus | – | – | – | 15 | Least concern |
 Kernel CowryNucleolaria nucleus | – | 2cm | – | 15 | Least concern |
 Chocolate-banded Bubble SnailHydatina amplustre | – | 3cm | – | 15 | Least concern |
 Tubulophilinopsis LineolataTubulophilinopsis lineolata | – | – | – | 14 | Least concern |
 Slender Sap Sucking SlugThuridilla gracilis | – | 1cm | – | 13 | Least concern |
 Placida VerticilataPlacida verticilata | – | – | – | 13 | Least concern |
 Oxynoe KyleiOxynoe kylei | – | – | – | 12 | Least concern |
 Thuridilla ratnaThuridilla ratna | – | – | – | 11 | Least concern |
 Leopard PleurobranchEuselenops luniceps | – | 5cm | – | 11 | Least concern |
 Siphopteron TigrinumSiphopteron tigrinum | – | – | – | 11 | Least concern |
 Pacific Batwing SeaslugGastropteron pacificum | – | 3cm | – | 10 | Least concern |
 Headshield SlugAglaja tricolorata | – | – | – | 10 | Least concern |
 Headshield SlugBiuve fulvipunctata | – | 1cm | – | 10 | Least concern |
 Melanochlamys miqueliMelanochlamys miqueli | – | – | – | 10 | Least concern |
 Cyerce GraecaCyerce graeca | – | – | – | 9 | Least concern |
 Chacmol Bat-wing Sea SlugGastropteron chacmol | – | 1cm | – | 9 | Least concern |
 Cylinder BubbleAliculastrum cylindricum | – | – | – | 9 | Least concern |
 Diniatys DubiusDiniatys dubius | – | – | – | 8 | Least concern |
 Neon ThuridillaThuridilla neona | – | 1cm | – | 8 | Least concern |
 Orange BlobPleurobranchaea californica | – | 15cm | – | 8 | Least concern |
 Buttery Taco SlugThuridilla vataae | – | – | – | 8 | Least concern |
 Emerald Bubble SnailSmaragdinella calyculata | – | – | – | 8 | Least concern |
 Spotted PleurobranchPleurobranchaea brockii | – | – | – | 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 |
 Cyerce BasiCyerce basi | – | – | – | 5 | Least concern |
 Guam OdontoglajaOdontoglaja guamensis | – | 1cm | – | 5 | Least concern |
 Zigzag CowryPalmadusta ziczac | – | 1cm | – | 5 | Least concern |
 Chelidonura CubanaChelidonura cubana | – | 1cm | – | 5 | Least concern |
 Maori ElysiaElysia maoria | – | 1cm | – | 4 | Least concern |
 Blister Glassy-bubbleHaminoea vesicula | – | 1cm | – | 4 | Least concern |
 Chinese CowryOvatipsa chinensis | – | 4cm | – | 3 | Least concern |
 Haminoea HydatisHaminoea hydatis | – | – | – | 3 | Least concern |
 Cyerce KikutarobabaiCyerce kikutarobabai | – | – | – | 2 | Least concern |
 Micromelo scriptusMicromelo scriptus | – | – | – | 2 | Least concern |
 Black And Gold Sap Sucking SlugCyerce nigricans | – | 1cm | – | 2 | Least concern |
 Eyebrow Sap-suckerCostasiella fridae | – | – | – | 1 | Least concern |
 Granulated CowryNucleolaria granulata | – | – | – | 1 | Least concern |
 Angas's BubbleBulla mabillei | – | – | – | 1 | Least concern |
 Batik Sea SlugTubulophilinopsis reticulata | – | – | – | 1 | Least concern |
 Siphopteron MakisigSiphopteron makisig | – | – | – | 1 | Least concern |