Diogenidae
Every crab on Fin, recorded across our dive sites.
Diogenidae spp.
Percnon spp.
Brachyura spp.
Carcinus maenas
Grapsus grapsus
Lithodidae spp.
Polybiidae spp.
Stenorhynchus spp.
Maja spp.
Clibanarius erythropus
Neopetrolisthes spp.
Dardanus calidus
Necora puber
Lybia spp.
Pagurus anachoretus
Cancer pagurus
Neopetrolisthes maculatus
Porcellana platycheles
Pachygrapsus crassipes
Pagurus bernhardus
Dardanus lagopodes
Maja crispata
Cambaridae spp.
Dromia personata
Callinectes sapidus
Pugettia producta
Clibanarius tricolor
Calcinus laevimanus
Calcinus tubularis
Pisidia longicornis
Pacifastacus leniusculus
Dardanus megistos
Hemigrapsus nudus
Dardanus pedunculatus
Maguimithrax spinosissimus
Cancer productus
Clibanarius aequabilis
Pagurus hirsutiusculus
Hemigrapsus oregonensis
Metacarcinus magister
Achaeus japonicus
Hemigrapsus sanguineus
Hoplophrys oatesii
Cambarus robustus
Camposcia retusa
Xantho poressa
Inachus phalangium
Pontastacus leptodactylus
Cancer irroratus
Hippolyte varians
Crangon crangon
Pagurus samuelis
Cronius ruber
Hemigrapsus takanoi
Herbstia condyliata
Petrochirus diogenes
Pelia mutica
Calcinus tibicen
Pagurus hirtimanus
Clibanarius virescens
Plesionika narval
Cancridae spp.
Emerita analoga
Calcinus seurati
Arenaeus cribrarius
Romaleon antennarium
Paguristes puncticeps
Cancer borealis
Pagurus granosimanus
Pylopaguropsis zebra
Emerita talpoida
Calcinus latens
Glebocarcinus oregonensis
Saron marmoratus
Dardanus deformis
Pagurus longicarpus
Athanas nitescens
Pagurus prideaux
Oregonia gracilis
Clibanarius vittatus
Pagurus acadianus
Loxorhynchus grandis
Xantho pilipes
Pandalus danae
Trapezia rufopunctata
Mithraculus sculptus
Aratus pisonii
Petrolisthes cinctipes
Carcinus aestuarii
Telmessus cheiragonus
Trapezia cymodoce
Pilumnus hirtellus
Carpilius corallinus
Pugettia gracilis
Acanthonyx lunulatus
Clibanarius longitarsus
Petrolisthes eriomerus
Calcinus minutus
Crangon septemspinosa
Metacarcinus gracilis
Charybdis (Charybdis) hellerii
Diogenes pugilator
Clibanarius striolatus
Zebrida adamsii
Macropodia rostrata
Calcinus pulcher
Dardanus tinctor
Pilumnus vespertilio
Portunus sayi
Phycocaris simulans
Lophopanopeus bellus
Pagurus cuanensis
Daira perlata
Hyas araneus
Procambarus clarkii
Lydia annulipes
Mithraculus cinctimanus
Menippe mercenaria
Cyclocoeloma tuberculatum
Echidnocerus cibarius
Ovalipes trimaculatus
Scyra acutifrons
Calappa hepatica
Pachycheles rudis
Pagurus beringanus
Portunus armatus
Lissocarcinus laevis
Petrolisthes elongatus
Grimothea planipes
Calcinus californiensis
Polybius henslowii
Tetralia glaberrima
Dardanus scutellatus
Cryptosoma cristatum
Pandalus montagui
Corystes cassivelaunus
Metasesarma aubryi
Tozeuma lanceolatum
Ovalipes ocellatus
Ozius truncatus
Platypodiella picta
Pandalus platyceros
Taliepus nuttallii
Xenocarcinus tuberculatus
Sicyonia carinata
Dardanus gemmatus
Oedignathus inermis
Porcellanella haigae
Clibanarius signatus
Paguristes eremita
Tozeuma armatum
Paguristes cadenati
Polydectus cupulifer
Munida rugosa
Lissocrangon stylirostris
Lybia caestifera
Romaleon setosum
Alpheus lottini
Trapezia flavopunctata
Lissocarcinus orbicularis
Calcinus gaimardii
Carpilius convexus
Calcinus morgani
Achelous sebae
Phyllolithodes papillosus
Ciliopagurus strigatus
Hemigrapsus sexdentatus
Zosimus aeneus
Mictyris longicarpus
Tetralia nigrolineata
Ovalipes catharus
Pagurus brevidactylus
Trapezia serenei
Pugettia richii
Pagurus armatus
Pagurus hemphilli
Mithraculus forceps
Ilia nucleus
Rhinolithodes wosnessenskii
Simocarcinus simplex
Neotrypaea californiensis
Calappa calappa
Homalaspis plana
Cryptolithodes typicus
Miropandalus hardingi
Processa edulis
Calappa ocellata
Blepharipoda occidentalis
Trapezia septata
Varuna litterata
Hapalogaster mertensii
Mictyris platycheles
Macrocoeloma trispinosum
Calcinus guamensis
Potamidae spp.
Gonioinfradens paucidentatus
Lupocyclus philippinensis
Procambarus virginalis
Phimochirus holthuisi
Echinoecus pentagonus
Tumidodromia dormia
Cryptolithodes sitchensis
Calcinus laurentae
Saron neglectus
Ozius verreauxii
Loxorhynchus crispatus
Trapezia tigrina
Dardanus venosus
Atergatis floridus
Calcinus elegans
Paguristes gamianus
Domecia acanthophora
Dorippe frascone
Metasesarma obesum
Alpheus deuteropus
Pugettia foliata
Carpilius maculatus
Clibanarius zebra
Cymo quadrilobatus
alpheus ochrostriatus
Petrolisthes cabrilloi
Cycloxanthops novemdentatus
Dardanus sanguinocarpus
Calcinus hazletti
Thoe puella
Lambrachaeus ramifer
Pandalus gurneyi
Trapezia digitalis
Xenocarcinus depressus
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 |
|---|---|---|---|---|---|---|
 Hermit CrabDiogenidae spp. |
| Usually seen |
| – |
| – |
| 6,494 |
| Least concern |
| Flat CrabPercnon spp. | Easy to miss | – | – | 3,340 | Least concern |
| CrabBrachyura spp. | Easy to miss | – | – | 2,995 | Least concern |
 European Green CrabCarcinus maenas | Easy to miss | 4cm | 0-200m | 2,469 | Least concern |
 Sally Lightfoot CrabGrapsus grapsus | Usually seen | 4cm | 0-5m | 2,422 | Least concern |
 King CrabLithodidae spp. | Usually seen | – | – | 1,959 | Least concern |
 Swimming CrabPolybiidae spp. | Usually seen | – | – | 1,846 | Least concern |
| Arrow CrabStenorhynchus spp. | Usually seen | – | – | 1,747 | Least concern |
 Spiny Spider CrabMaja spp. | Usually seen | 15cm | 0-150m | 1,721 | Least concern |
 Mediterranean Intertidal Hermit CrabClibanarius erythropus | – | – | – | 1,508 | Least concern |
| Porcelain Anemone CrabNeopetrolisthes spp. | – | – | – | 1,401 | Least concern |
 Mediterranean Hermit CrabDardanus calidus | – | – | 3-30m | 1,037 | Least concern |
 Velvet Swimming CrabNecora puber | – | 7cm | 0-80m | 858 | Least concern |
| Pom-pom CrabLybia spp. | Easy to miss | – | – | 809 | Least concern |
 Striped Hermit CrabPagurus anachoretus | – | – | – | 775 | Least concern |
 Brown CrabCancer pagurus | – | 14cm | 0-200m | 724 | Least concern |
| Dotted Anemone CrabNeopetrolisthes maculatus | Usually seen | – | – | 631 | Least concern |
 Broad-clawed Porcelain CrabPorcellana platycheles | – | – | – | 600 | Least concern |
 Striped Shore CrabPachygrapsus crassipes | Easy to miss | – | – | 552 | Least concern |
 Common Hermit CrabPagurus bernhardus | – | – | 0-500m | 536 | Least concern |
 Hairy Red Hermit CrabDardanus lagopodes | – | – | 0-120m | 439 | Least concern |
 Lesser Spider CrabMaja crispata | – | 6cm | Up to 30m | 423 | Least concern |
| American CrayfishCambaridae spp. | Usually seen | – | – | 423 | Least concern |
 Sponge CrabDromia personata | – | 4cm | – | 340 | Least concern |
 Blue CrabCallinectes sapidus | – | 15cm | 0-90m | 302 | Least concern |
 Northern Kelp CrabPugettia producta | Easy to miss | 6cm | 0-75m | 296 | Least concern |
 Blue-legged Hermit CrabClibanarius tricolor | – | – | 0-3m | 286 | Least concern |
 Zebra Hermit CrabCalcinus laevimanus | – | – | 0-95m | 281 | Least concern |
 Hermit CrabCalcinus tubularis | – | – | – | 279 | Least concern |
 Long-clawed Porcelain CrabPisidia longicornis | – | – | 30-100m | 265 | Least concern |
| Signal CrayfishPacifastacus leniusculus | Hard to spot | – | – | 263 | Least concern |
 Whitespotted HermitDardanus megistos | – | 14cm | 0-50m | 261 | Least concern |
 Purple Shore CrabHemigrapsus nudus | – | – | – | 249 | Least concern |
 Anemone Hermit CrabDardanus pedunculatus | – | – | 1-95m | 242 | Least concern |
 Channel Clinging CrabMaguimithrax spinosissimus | – | – | 0-179m | 242 | Least concern |
 Red Rock CrabCancer productus | – | 14cm | 0-90m | 237 | Least concern |
 Hermit CrabClibanarius aequabilis | – | – | – | 219 | Least concern |
 Hairy Hermit CrabPagurus hirsutiusculus | – | – | – | 208 | Least concern |
 Yellow Shore CrabHemigrapsus oregonensis | – | – | – | 205 | Least concern |
 Dungeness CrabMetacarcinus magister | – | 15cm | 0-360m | 203 | Least concern |
 Orang Utang CrabAchaeus japonicus | – | – | 5-100m | 188 | Least concern |
 Asian Shore CrabHemigrapsus sanguineus | – | – | – | 187 | Least concern |
| Candy CrabHoplophrys oatesii | Hard to spot | – | – | 172 | Least concern |
| Big Water CrayfishCambarus robustus | Hard to spot | – | – | 165 | Least concern |
 Decorator CrabCamposcia retusa | – | – | 0-220m | 158 | Least concern |
 Jaguar Round CrabXantho poressa | – | 3cm | – | 156 | Least concern |
 Anemone Spider CrabInachus phalangium | – | – | – | 155 | Least concern |
| Turkish CrayfishPontastacus leptodactylus | Hard to spot | – | – | 155 | Least concern |
 Atlantic Rock CrabCancer irroratus | – | – | 0-575m | 151 | Least concern |
 Chameleon PrawnHippolyte varians | – | – | – | 148 | Least concern |
 Brown ShrimpCrangon crangon | – | 6cm | – | 148 | Least concern |
 Blueband Hermit CrabPagurus samuelis | – | – | – | 147 | Least concern |
 Red SwimcrabCronius ruber | – | 4cm | – | 144 | Least concern |
 Brush-clawed Shore CrabHemigrapsus takanoi | – | – | – | 143 | Least concern |
 Rugose Spider CrabHerbstia condyliata | – | – | – | 135 | Least concern |
 Giant Hermit CrabPetrochirus diogenes | – | – | Up to 128m | 134 | Least concern |
 Cryptic Teardrop CrabPelia mutica | – | – | – | 132 | Least concern |
 Orange-clawed Hermit CrabCalcinus tibicen | – | 0cm | 0-33m | 131 | Least concern |
 Hermit CrabsPagurus hirtimanus | – | – | – | 131 | Least concern |
 Coastal Hermit CrabsClibanarius virescens | – | – | – | 122 | Least concern |
 NarvalPlesionika narval | – | 9cm | 10-910m | 120 | Least concern |
 Rock CrabCancridae spp. | Usually seen | – | – | 118 | Least concern |
 Mole CrabEmerita analoga | – | – | – | 117 | Least concern |
 Seurat's Hermit CrabCalcinus seurati | – | – | 0-5m | 116 | Least concern |
 Speckled Swimming CrabArenaeus cribrarius | – | 10cm | – | 115 | Least concern |
 Pacific Rock CrabRomaleon antennarium | – | 10cm | 0-91m | 113 | Least concern |
 Hermit CrabPaguristes puncticeps | – | – | 10-31m | 110 | Least concern |
 Jonah CrabCancer borealis | – | 11cm | – | 108 | Least concern |
 Grainyhand Hermit CrabPagurus granosimanus | – | – | – | 105 | Least concern |
 Hermit CrabPylopaguropsis zebra | – | – | – | 102 | Least concern |
 Mole CrabEmerita talpoida | – | – | – | 99 | Least concern |
 Hidden Hermit CrabCalcinus latens | – | – | 0-95m | 97 | Least concern |
 Oregon Rock CrabGlebocarcinus oregonensis | – | 2cm | 0-435m | 95 | Least concern |
 Marbled ShrimpSaron marmoratus | – | 1cm | 1-17m | 94 | Least concern |
 Pale Anemone Hermit CrabDardanus deformis | – | – | 0-12m | 93 | Least concern |
 Long-clawed Hermit CrabPagurus longicarpus | – | – | – | 92 | Least concern |
 Hooded ShrimpAthanas nitescens | – | – | – | 90 | Least concern |
 Prideaux's Hermit CrabPagurus prideaux | – | – | – | 89 | Least concern |
 Graceful Decorator CrabOregonia gracilis | – | 4cm | 0-400m | 87 | Least concern |
 Striped Hermit CrabClibanarius vittatus | – | – | – | 87 | Least concern |
 Acadian Hermit CrabPagurus acadianus | – | – | – | 86 | Least concern |
 Sheep CrabLoxorhynchus grandis | – | 10cm | 6-150m | 85 | Least concern |
 Risso's CrabXantho pilipes | – | – | – | 82 | Least concern |
 Coonstripe ShrimpPandalus danae | – | – | – | 80 | Least concern |
 Red-spotted Coral CrabTrapezia rufopunctata | – | – | – | 78 | Least concern |
 Emerald Mythrax CrabMithraculus sculptus | – | 1cm | – | 78 | Least concern |
 Mangrove Tree CrabAratus pisonii | – | 2cm | – | 76 | Least concern |
 Flat Porcelain CrabPetrolisthes cinctipes | – | – | – | 76 | Least concern |
 Mediterranean Green CrabCarcinus aestuarii | – | 4cm | – | 75 | Least concern |
 Helmet CrabTelmessus cheiragonus | – | 7cm | – | 74 | Least concern |
 Coral CrabTrapezia cymodoce | – | – | 0-59m | 74 | Least concern |
 Bristly CrabPilumnus hirtellus | – | – | – | 73 | Least concern |
 Batwing Coral CrabCarpilius corallinus | – | 10cm | – | 72 | Least concern |
 Graceful Kelp CrabPugettia gracilis | – | – | – | 70 | Least concern |
 Surf CrabAcanthonyx lunulatus | – | – | – | 70 | Least concern |
 Hermit CrabClibanarius longitarsus | – | – | – | 69 | Least concern |
 Flattop Porcelain CrabPetrolisthes eriomerus | – | – | – | 67 | Least concern |
 Hermit CrabCalcinus minutus | – | – | 0-32m | 66 | Least concern |
 Sand ShrimpCrangon septemspinosa | – | – | – | 65 | Least concern |
 Graceful Rock CrabMetacarcinus gracilis | – | – | – | 64 | Least concern |
 Spiny HandsCharybdis (Charybdis) hellerii | – | – | – | 63 | Least concern |
 Small Hermit CrabDiogenes pugilator | – | – | – | 63 | Least concern |
 Danas Hermit CrabClibanarius striolatus | – | – | – | 61 | Least concern |
| Zebra Urchin CrabZebrida adamsii | Easy to miss | – | – | 61 | Least concern |
 Long-legged Spider CrabMacropodia rostrata | – | – | – | 60 | Least concern |
 Pretty Hermit CrabCalcinus pulcher | – | – | – | 60 | Least concern |
 Anemone CarrierDardanus tinctor | – | – | – | 60 | Least concern |
 Hairy CrabPilumnus vespertilio | – | – | – | 58 | Least concern |
 Sargassum Swimming CrabPortunus sayi | – | – | – | 58 | Least concern |
 Algae ShrimpPhycocaris simulans | – | – | – | 58 | Least concern |
 Black-clawed Mud CrabLophopanopeus bellus | – | – | – | 57 | Least concern |
 Hairy Hermit CrabPagurus cuanensis | – | – | – | 56 | Least concern |
 True CrabsDaira perlata | – | – | – | 55 | Least concern |
 Great Spider CrabHyas araneus | – | – | – | 55 | Least concern |
 Red Swamp CrayfishProcambarus clarkii | – | – | – | 54 | Least concern |
 True CrabsLydia annulipes | – | – | – | 51 | Least concern |
 Banded Clinging CrabMithraculus cinctimanus | – | – | – | 51 | Least concern |
 Stone CrabMenippe mercenaria | – | – | – | 50 | Least concern |
 Reef Decorator CrabCyclocoeloma tuberculatum | Easy to miss | – | 1-10m | 50 | Least concern |
 Puget Sound King CrabEchidnocerus cibarius | – | 15cm | – | 49 | Least concern |
 Three-spot Swimming CrabOvalipes trimaculatus | – | – | – | 48 | Least concern |
 Sharpnose CrabScyra acutifrons | – | 2cm | 0-90m | 48 | Least concern |
 Box CrabCalappa hepatica | – | 6cm | – | 48 | Least concern |
 Hairy Porcelain CrabPachycheles rudis | Easy to miss | – | – | 47 | Least concern |
 Bering Hermit CrabPagurus beringanus | – | – | – | 47 | Least concern |
 Blue Swimmer CrabPortunus armatus | – | 15cm | 0-50m | 47 | Least concern |
 Harlequin Swimming CrabLissocarcinus laevis | – | – | 9-82m | 46 | Least concern |
 New Zealand Porcelain CrabPetrolisthes elongatus | – | – | – | 43 | Least concern |
 Pelagic Red CrabGrimothea planipes | – | 4cm | 101-310m | 43 | Least concern |
 California Scarlet Hermit CrabCalcinus californiensis | – | – | – | 42 | Least concern |
 Henslow's Swimming CrabPolybius henslowii | – | 3cm | – | 42 | Least concern |
 True CrabsTetralia glaberrima | – | – | – | 42 | Least concern |
 Hermit CrabDardanus scutellatus | – | – | – | 41 | Least concern |
 Lesser-spotted Shame-faced CrabCryptosoma cristatum | – | – | – | 40 | Least concern |
 Aesop ShrimpPandalus montagui | – | 11cm | – | 39 | Least concern |
 Masked CrabCorystes cassivelaunus | – | – | – | 39 | Least concern |
 Red Apple CrabMetasesarma aubryi | – | – | – | 39 | Least concern |
 Ocellated Tozeuma ShrimpTozeuma lanceolatum | – | – | – | 38 | Least concern |
 Lady CrabOvalipes ocellatus | – | 6cm | – | 37 | Least concern |
 Reef CrabOzius truncatus | – | – | – | 37 | Least concern |
 Harlequin CrabPlatypodiella picta | – | – | – | 36 | Least concern |
 Spot ShrimpPandalus platyceros | – | 21cm | – | 36 | Least concern |
 Globose Kelp CrabTaliepus nuttallii | – | 7cm | 0-90m | 36 | Least concern |
 Wire Coral CrabXenocarcinus tuberculatus | – | – | – | 35 | Least concern |
 Mediterranean Rock ShrimpSicyonia carinata | – | 6cm | – | 34 | Least concern |
 Jeweled Anemone HermitDardanus gemmatus | – | – | 2-100m | 32 | Least concern |
 Granular Claw CrabOedignathus inermis | – | – | – | 31 | Least concern |
 Haig's Porcelain CrabPorcellanella haigae | – | – | 10-30m | 31 | Least concern |
 Tropical Hermit CrabClibanarius signatus | – | – | – | 31 | Least concern |
 Hermit CrabPaguristes eremita | – | – | – | 31 | Least concern |
 Gorgonian ShrimpTozeuma armatum | – | 4cm | – | 30 | Least concern |
 Scarlet Reef Hermit CrabPaguristes cadenati | – | – | 1-52m | 30 | Least concern |
| Teddy-bear CrabPolydectus cupulifer | Easy to miss | – | – | 29 | Least concern |
 Long-clawed Squat LobsterMunida rugosa | – | – | – | 27 | Least concern |
 Smooth Bay ShrimpLissocrangon stylirostris | – | – | – | 27 | Least concern |
| Boxer CrabLybia caestifera | Easy to miss | – | – | 27 | Least concern |
 Cancer CrabRomaleon setosum | – | – | – | 25 | Least concern |
 Coral Snapping ShrimpAlpheus lottini | – | 2cm | – | 25 | Least concern |
 Yellow-spotted Guard CrabTrapezia flavopunctata | – | – | – | 24 | Least concern |
 Sea Cucumber CrabLissocarcinus orbicularis | – | – | – | 23 | Least concern |
 Gaimard's Hermit CrabCalcinus gaimardii | – | – | – | 23 | Least concern |
 Convex Reef CrabCarpilius convexus | – | 10cm | – | 23 | Least concern |
 Morgan's Hermit CrabCalcinus morgani | – | – | – | 23 | Least concern |
 Ocellate Swimming CrabAchelous sebae | – | – | – | 22 | Least concern |
 Heart CrabPhyllolithodes papillosus | – | 6cm | – | 22 | Least concern |
 Halloween Hermit CrabCiliopagurus strigatus | – | – | – | 22 | Least concern |
 Purple Rock CrabHemigrapsus sexdentatus | – | – | – | 22 | Least concern |
 Devil CrabZosimus aeneus | – | 7cm | – | 21 | Least concern |
 Soldier CrabMictyris longicarpus | – | – | – | 21 | Least concern |
 Acropora CrabTetralia nigrolineata | – | – | – | 20 | Least concern |
 Paddle CrabOvalipes catharus | – | – | – | 19 | Least concern |
 Hermit CrabPagurus brevidactylus | – | – | – | 18 | Least concern |
 True CrabsTrapezia serenei | – | – | – | 18 | Least concern |
 Kelp CrabPugettia richii | – | 2cm | – | 16 | Least concern |
 Armed Hermit CrabPagurus armatus | – | 1cm | – | 16 | Least concern |
 Maroon Hermit CrabPagurus hemphilli | – | 1cm | – | 16 | Least concern |
 Red-ridged Clinging CrabMithraculus forceps | – | – | – | 16 | Least concern |
 Nut CrabIlia nucleus | – | – | – | 16 | Least concern |
 Rhinoceros CrabRhinolithodes wosnessenskii | – | – | – | 16 | Least concern |
 Eiffel CrabSimocarcinus simplex | Hard to spot | – | – | 15 | Least concern |
 Ghost ShrimpNeotrypaea californiensis | – | 8cm | – | 15 | Least concern |
 Smooth Box CrabCalappa calappa | – | 9cm | – | 15 | Least concern |
 Blackberry CrabHomalaspis plana | – | 10cm | – | 15 | Least concern |
 Butterfly CrabCryptolithodes typicus | – | 6cm | – | 15 | Least concern |
 Dragon ShrimpMiropandalus hardingi | – | 1cm | – | 14 | Least concern |
 Nika ShrimpProcessa edulis | – | 4cm | – | 14 | Least concern |
 Ocellate Box CrabCalappa ocellata | – | – | – | 13 | Least concern |
 Spiny Mole CrabBlepharipoda occidentalis | – | – | – | 13 | Least concern |
 Coral CrabTrapezia septata | – | – | – | 12 | Least concern |
 Sargassum CrabVaruna litterata | – | 4cm | – | 12 | Least concern |
 Hairy CrabHapalogaster mertensii | – | – | – | 12 | Least concern |
 Dark Blue Soldier CrabMictyris platycheles | – | – | – | 11 | Least concern |
 Decorator CrabMacrocoeloma trispinosum | – | – | – | 11 | Least concern |
 Guam Hermit CrabCalcinus guamensis | – | – | – | 11 | Least concern |
 Freshwater CrabPotamidae spp. | Easy to miss | – | – | 11 | Least concern |
 Swimming CrabGonioinfradens paucidentatus | – | – | – | 11 | Least concern |
 True CrabsLupocyclus philippinensis | – | – | – | 10 | Least concern |
| Marbled CrayfishProcambarus virginalis | Easy to miss | – | – | 10 | Least concern |
 Red-striped HermitPhimochirus holthuisi | – | – | – | 9 | Least concern |
 Sea Urchin CrabEchinoecus pentagonus | – | – | – | 9 | Least concern |
 Sponge CrabTumidodromia dormia | – | 14cm | – | 9 | Least concern |
 Umbrella CrabCryptolithodes sitchensis | – | 6cm | – | 8 | Least concern |
 Redleg CalcinusCalcinus laurentae | – | – | – | 8 | Least concern |
 Eyespot ShrimpSaron neglectus | – | – | – | 8 | Least concern |
 Punched Stone CrabOzius verreauxii | – | – | – | 8 | Least concern |
 Masking CrabLoxorhynchus crispatus | – | 6cm | 0-180m | 8 | Least concern |
 Red-spotted Guard CrabTrapezia tigrina | – | – | – | 7 | Least concern |
 Stareye Hermit CrabDardanus venosus | – | – | – | 7 | Least concern |
 Floral Egg CrabAtergatis floridus | – | – | – | 7 | Least concern |
 Electric Blue Hermit CrabCalcinus elegans | – | – | – | 6 | Least concern |
 Pink Hermit CrabPaguristes gamianus | – | – | – | 6 | Least concern |
 Elkhorn Coral CrabDomecia acanthophora | – | – | – | 6 | Least concern |
 Carrier CrabDorippe frascone | – | – | – | 5 | Least concern |
 Marble CrabMetasesarma obesum | – | – | – | 5 | Least concern |
 Petroglyph ShrimpAlpheus deuteropus | – | – | – | 5 | Least concern |
 Foliate Kelp CrabPugettia foliata | – | – | – | 5 | Least concern |
 7-11 CrabCarpilius maculatus | – | 13cm | – | 5 | Least concern |
 Zebra Hermit CrabClibanarius zebra | – | – | – | 4 | Least concern |
 Coral Four-lobed CrabCymo quadrilobatus | – | – | – | 4 | Least concern |
 Fine-striped Snapping Shrimpalpheus ochrostriatus | – | – | – | 3 | Least concern |
 Cabrillo Porcelain CrabPetrolisthes cabrilloi | – | – | – | 3 | Least concern |
 Ninetooth Pebble CrabCycloxanthops novemdentatus | – | – | – | 2 | Least concern |
 Bloody Hermit CrabDardanus sanguinocarpus | – | – | – | 2 | Least concern |
 Hawaiian Whitefoot HermitCalcinus hazletti | – | – | – | 2 | Least concern |
 Scarlet Mime CrabThoe puella | – | – | – | 2 | Least concern |
 Thorny Elbow CrabLambrachaeus ramifer | – | – | – | 2 | Least concern |
 Coonstripe ShrimpPandalus gurneyi | – | 10cm | – | 1 | Least concern |
 Brown Guard CrabTrapezia digitalis | – | – | – | 1 | Least concern |
 Depressed Spider CrabXenocarcinus depressus | – | – | – | 1 | Least concern |