Diogenidae
Every crab on Fin, recorded across our dive sites.

Diogenidae spp.

Brachyura spp.

Carcinus maenas

Grapsus grapsus

Lithodidae spp.

Polybiidae spp.

Stenorhynchus spp.

Maja squinado

Clibanarius erythropus

Percnon gibbesi

Dardanus calidus

Necora puber

Pagurus anachoretus

Cancer pagurus

Neopetrolisthes maculatus

Porcellana platycheles

Pachygrapsus crassipes

Pagurus bernhardus

Faxonius limosus

Dardanus lagopodes

Maja crispata

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

Crangon crangon

Pontastacus leptodactylus

Inachus phalangium

Cancer irroratus

Hippolyte varians

Pagurus samuelis

Hemigrapsus takanoi

Cronius ruber

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

Dardanus deformis

Glebocarcinus oregonensis

Saron marmoratus

Pagurus longicarpus

Athanas nitescens

Pagurus prideaux

Clibanarius vittatus

Oregonia gracilis

Pagurus acadianus

Loxorhynchus grandis

Xantho pilipes

Pandalus danae

Trapezia rufopunctata

Mithraculus sculptus

Petrolisthes cinctipes

Carcinus aestuarii

Lybia tessellata

Aratus pisonii

Telmessus cheiragonus

Trapezia cymodoce

Pilumnus hirtellus

Carpilius corallinus

Pugettia gracilis

Calcinus minutus

Clibanarius longitarsus

Acanthonyx lunulatus

Petrolisthes eriomerus

Crangon septemspinosa

Metacarcinus gracilis

Charybdis (Charybdis) hellerii

Diogenes pugilator

Zebrida adamsii

Dardanus tinctor

Macropodia rostrata

Clibanarius striolatus

Calcinus pulcher

Pilumnus vespertilio

Phycocaris simulans

Lophopanopeus bellus

Pagurus cuanensis

Daira perlata

Hyas araneus

Procambarus clarkii

Portunus sayi

Cyclocoeloma tuberculatum

Mithraculus cinctimanus

Lydia annulipes

Menippe mercenaria

Echidnocerus cibarius

Calappa hepatica

Ovalipes trimaculatus

Scyra acutifrons

Pachycheles rudis

Pagurus beringanus

Portunus armatus

Lissocarcinus laevis

Petrolisthes elongatus

Grimothea planipes

Tetralia glaberrima

Polybius henslowii

Dardanus scutellatus

Cryptosoma cristatum

Calcinus californiensis

Corystes cassivelaunus

Pandalus montagui

Ozius truncatus

Metasesarma aubryi

Tozeuma lanceolatum

Ovalipes ocellatus

Taliepus nuttallii

Platypodiella picta

Pandalus platyceros

Xenocarcinus tuberculatus

Sicyonia carinata

Dardanus gemmatus

Oedignathus inermis

Clibanarius signatus

Porcellanella haigae

Paguristes eremita

Tozeuma armatum

Paguristes cadenati

Polydectus cupulifer

Lissocrangon stylirostris

Munida rugosa

Lybia caestifera

Alpheus lottini

Trapezia flavopunctata

Romaleon setosum

Carpilius convexus

Calcinus gaimardii

Lissocarcinus orbicularis

Calcinus morgani

Achelous sebae

Hemigrapsus sexdentatus

Phyllolithodes papillosus

Zosimus aeneus

Mictyris longicarpus

Ciliopagurus strigatus

Tetralia nigrolineata

Ovalipes catharus

Trapezia serenei

Pagurus brevidactylus

Pugettia richii

Ilia nucleus

Pagurus armatus

Pagurus hemphilli

Rhinolithodes wosnessenskii

Cryptolithodes typicus

Mithraculus forceps

Homalaspis plana

Calappa calappa

Simocarcinus simplex

Neotrypaea californiensis

Miropandalus hardingi

Processa edulis

Blepharipoda occidentalis

Calappa ocellata

Trapezia septata

Hapalogaster mertensii

Mictyris platycheles

Gonioinfradens paucidentatus

Potamidae spp.

Macrocoeloma trispinosum

Varuna litterata

Calcinus guamensis

Procambarus virginalis

Lupocyclus philippinensis

Phimochirus holthuisi

Echinoecus pentagonus

Tumidodromia dormia

Ozius verreauxii

Cryptolithodes sitchensis

Loxorhynchus crispatus

Calcinus laurentae

Saron neglectus

Dardanus venosus

Atergatis floridus

Trapezia tigrina

Domecia acanthophora

Paguristes gamianus

Calcinus elegans

Metasesarma obesum

Pugettia foliata

Carpilius maculatus

Dorippe frascone

Alpheus deuteropus

Clibanarius zebra

Cymo quadrilobatus

Petrolisthes cabrilloi

Lambrachaeus ramifer

Cycloxanthops novemdentatus

Dardanus sanguinocarpus

Thoe puella

alpheus ochrostriatus

Calcinus hazletti

Xenocarcinus depressus

Pandalus gurneyi

Trapezia digitalis
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 |
|---|---|---|---|---|---|---|

| Usually seen |
| – |
| – |
| 6,506 |
| Least concern |
CrabBrachyura spp. | Easy to miss | – | – | 2,994 | Least concern |
| Easy to miss | 4cm | 0-200m | 2,452 | Least concern |
| Usually seen | 4cm | 0-5m | 2,422 | Least concern |
| Usually seen | – | – | 1,962 | Least concern |
| Usually seen | – | – | 1,847 | Least concern |
Arrow CrabStenorhynchus spp. | Usually seen | – | – | 1,744 | Least concern |
| Usually seen | 15cm | 0-150m | 1,710 | Least concern |
| – | – | – | 1,504 | Least concern |
Flat CrabPercnon gibbesi | Easy to miss | – | – | 1,255 | Least concern |
| – | – | 3-30m | 1,032 | Least concern |
| – | 7cm | 0-80m | 858 | Least concern |
| – | – | – | 772 | Least concern |
| – | 14cm | 0-200m | 724 | Least concern |
Dotted Anemone CrabNeopetrolisthes maculatus | Usually seen | – | – | 639 | Least concern |
| – | – | – | 600 | Least concern |
| Easy to miss | – | – | 554 | Least concern |
| – | – | 0-500m | 536 | Least concern |
American CrayfishFaxonius limosus | Usually seen | – | – | 441 | Least concern |
| – | – | 0-120m | 440 | Least concern |
| – | 6cm | Up to 30m | 421 | Least concern |
| – | 4cm | – | 340 | Least concern |
| – | 15cm | 0-90m | 302 | Least concern |
| Easy to miss | 6cm | 0-75m | 297 | Least concern |
| – | – | 0-3m | 285 | Least concern |
| – | – | 0-95m | 282 | Least concern |
| – | – | – | 278 | Least concern |
| – | – | 30-100m | 265 | Least concern |
Signal CrayfishPacifastacus leniusculus | Hard to spot | – | – | 263 | Least concern |
| – | 14cm | 0-50m | 261 | Least concern |
| – | – | – | 249 | Least concern |
| – | – | 1-95m | 242 | Least concern |
| – | – | 0-179m | 241 | Least concern |
| – | 14cm | 0-90m | 237 | Least concern |
| – | – | – | 219 | Least concern |
| – | – | – | 209 | Least concern |
| – | – | – | 206 | Least concern |
| – | 15cm | 0-360m | 203 | Least concern |
| – | – | 5-100m | 190 | Least concern |
| – | – | – | 187 | Least concern |
Candy CrabHoplophrys oatesii | Hard to spot | – | – | 173 | Least concern |
Big Water CrayfishCambarus robustus | Hard to spot | – | – | 165 | Least concern |
| – | – | 0-220m | 158 | Least concern |
| – | 3cm | – | 156 | Least concern |
| – | 6cm | – | 156 | Least concern |
Turkish CrayfishPontastacus leptodactylus | Hard to spot | – | – | 155 | Least concern |
| – | – | – | 153 | Least concern |
| – | – | 0-575m | 151 | Least concern |
| – | – | – | 148 | Least concern |
| – | – | – | 147 | Least concern |
| – | – | – | 143 | Least concern |
| – | 4cm | – | 142 | Least concern |
| – | – | – | 135 | Least concern |
| – | – | Up to 128m | 133 | Least concern |
| – | – | – | 131 | Least concern |
| – | 0cm | 0-33m | 131 | Least concern |
| – | – | – | 131 | Least concern |
| – | – | – | 121 | Least concern |
| – | 9cm | 10-910m | 119 | Least concern |
| Usually seen | – | – | 118 | Least concern |
| – | – | – | 118 | Least concern |
| – | – | 0-5m | 116 | Least concern |
| – | 10cm | – | 115 | Least concern |
| – | 10cm | 0-91m | 114 | Least concern |
| – | – | 10-31m | 108 | Least concern |
| – | 11cm | – | 108 | Least concern |
| – | – | – | 105 | Least concern |
| – | – | – | 102 | Least concern |
| – | – | – | 99 | Least concern |
| – | – | 0-95m | 97 | Least concern |
| – | – | 0-12m | 95 | Least concern |
| – | 2cm | 0-435m | 95 | Least concern |
| – | 1cm | 1-17m | 94 | Least concern |
| – | – | – | 92 | Least concern |
| – | – | – | 90 | Least concern |
| – | – | – | 89 | Least concern |
| – | – | – | 87 | Least concern |
| – | 4cm | 0-400m | 87 | Least concern |
| – | – | – | 86 | Least concern |
| – | 10cm | 6-150m | 85 | Least concern |
| – | – | – | 82 | Least concern |
| – | – | – | 80 | Least concern |
| – | – | – | 80 | Least concern |
| – | 1cm | – | 78 | Least concern |
| – | – | – | 76 | Least concern |
| – | 4cm | – | 75 | Least concern |
Carrying CrabLybia tessellata | Easy to miss | – | – | 75 | Least concern |
| – | 2cm | – | 75 | Least concern |
| – | 7cm | – | 74 | Least concern |
| – | – | 0-59m | 74 | Least concern |
| – | – | – | 74 | Least concern |
| – | 10cm | – | 72 | Least concern |
| – | – | – | 70 | Least concern |
| – | – | 0-32m | 69 | Least concern |
| – | – | – | 69 | Least concern |
| – | – | – | 68 | Least concern |
| – | – | – | 67 | Least concern |
| – | – | – | 65 | Least concern |
| – | – | – | 64 | Least concern |
| – | – | – | 62 | Least concern |
| – | – | – | 61 | Least concern |
Zebra Urchin CrabZebrida adamsii | Easy to miss | – | – | 61 | Least concern |
| – | – | – | 60 | Least concern |
| – | – | – | 60 | Least concern |
| – | – | – | 60 | Least concern |
| – | – | – | 59 | Least concern |
| – | – | – | 58 | Least concern |
| – | – | – | 58 | Least concern |
| – | – | – | 57 | Least concern |
| – | – | – | 56 | Least concern |
| – | – | – | 55 | Least concern |
| – | – | – | 55 | Least concern |
| – | – | – | 54 | Least concern |
| – | – | – | 53 | Least concern |
| Easy to miss | – | 1-10m | 52 | Least concern |
| – | – | – | 51 | Least concern |
| – | – | – | 51 | Least concern |
| – | – | – | 50 | Least concern |
| – | 15cm | – | 49 | Least concern |
| – | 6cm | – | 48 | Least concern |
| – | – | – | 48 | Least concern |
| – | 2cm | 0-90m | 48 | Least concern |
| Easy to miss | – | – | 48 | Least concern |
| – | – | – | 47 | Least concern |
| – | 15cm | 0-50m | 47 | Least concern |
| – | – | 9-82m | 46 | Least concern |
| – | – | – | 43 | Least concern |
| – | 4cm | 101-310m | 43 | Least concern |
| – | – | – | 42 | Least concern |
| – | 3cm | – | 42 | Least concern |
| – | – | – | 41 | Least concern |
| – | – | – | 40 | Least concern |
| – | – | – | 40 | Least concern |
| – | – | – | 39 | Least concern |
| – | 11cm | – | 39 | Least concern |
| – | – | – | 39 | Least concern |
| – | – | – | 39 | Least concern |
| – | – | – | 38 | Least concern |
| – | 6cm | – | 37 | Least concern |
| – | 7cm | 0-90m | 36 | Least concern |
| – | – | – | 36 | Least concern |
| – | 21cm | – | 36 | Least concern |
| – | – | – | 35 | Least concern |
| – | 6cm | – | 34 | Least concern |
| – | – | 2-100m | 32 | Least concern |
| – | – | – | 32 | Least concern |
| – | – | – | 31 | Least concern |
| – | – | 10-30m | 31 | Least concern |
| – | – | – | 31 | Least concern |
| – | 4cm | – | 30 | Least concern |
| – | – | 1-52m | 30 | Least concern |
Teddy-bear CrabPolydectus cupulifer | Easy to miss | – | – | 29 | Least concern |
| – | – | – | 28 | Least concern |
| – | – | – | 27 | Least concern |
Boxer CrabLybia caestifera | Easy to miss | – | – | 27 | Least concern |
| – | 2cm | – | 26 | Least concern |
| – | – | – | 25 | Least concern |
| – | – | – | 25 | Least concern |
| – | 10cm | – | 23 | Least concern |
| – | – | – | 23 | Least concern |
| – | – | – | 23 | Least concern |
| – | – | – | 23 | Least concern |
| – | – | – | 22 | Least concern |
| – | – | – | 22 | Least concern |
| – | 6cm | – | 22 | Least concern |
| – | 7cm | – | 21 | Least concern |
| – | – | – | 21 | Least concern |
| – | – | – | 21 | Least concern |
| – | – | – | 20 | Least concern |
| – | – | – | 19 | Least concern |
| – | – | – | 18 | Least concern |
| – | – | – | 18 | Least concern |
| – | 2cm | – | 16 | Least concern |
| – | – | – | 16 | Least concern |
| – | 1cm | – | 16 | Least concern |
| – | 1cm | – | 16 | Least concern |
| – | – | – | 16 | Least concern |
| – | 6cm | – | 15 | Least concern |
| – | – | – | 15 | Least concern |
| – | 10cm | – | 15 | Least concern |
| – | 9cm | – | 15 | Least concern |
| Hard to spot | – | – | 15 | Least concern |
| – | 8cm | – | 15 | Least concern |
| – | 1cm | – | 14 | Least concern |
| – | 4cm | – | 14 | Least concern |
| – | – | – | 13 | Least concern |
| – | – | – | 13 | Least concern |
| – | – | – | 12 | Least concern |
| – | – | – | 12 | Least concern |
| – | – | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
| Easy to miss | – | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
| – | 4cm | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
Marbled CrayfishProcambarus virginalis | Easy to miss | – | – | 10 | Least concern |
| – | – | – | 10 | Least concern |
| – | – | – | 9 | Least concern |
| – | – | – | 9 | Least concern |
| – | 14cm | – | 9 | Least concern |
| – | – | – | 8 | Least concern |
| – | 6cm | – | 8 | Least concern |
| – | 6cm | 0-180m | 8 | Least concern |
| – | – | – | 8 | Least concern |
| – | – | – | 8 | Least concern |
| – | – | – | 7 | Least concern |
| – | – | – | 7 | Least concern |
| – | – | – | 7 | Least concern |
| – | – | – | 6 | Least concern |
| – | – | – | 6 | Least concern |
| – | – | – | 6 | Least concern |
| – | – | – | 5 | Least concern |
| – | – | – | 5 | Least concern |
| – | 13cm | – | 5 | Least concern |
| – | – | – | 5 | Least concern |
| – | – | – | 5 | Least concern |
| – | – | – | 4 | Least concern |
| – | – | – | 4 | Least concern |
| – | – | – | 3 | Least concern |
| – | – | – | 2 | Least concern |
| – | – | – | 2 | Least concern |
| – | – | – | 2 | Least concern |
| – | – | – | 2 | Least concern |
| – | – | – | 2 | Least concern |
| – | – | – | 2 | Least concern |
| – | – | – | 1 | Least concern |
| – | 10cm | – | 1 | Least concern |
| – | – | – | 1 | Least concern |