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

Dromia personata

Callinectes sapidus

Pugettia producta

Clibanarius tricolor

Calcinus laevimanus

Calcinus tubularis

Pisidia longicornis

Dardanus megistos

Hemigrapsus nudus

Dardanus pedunculatus

Maguimithrax spinosissimus

Cancer productus

Clibanarius aequabilis

Pagurus hirsutiusculus

Hemigrapsus oregonensis

Metacarcinus magister

Achaeus japonicus

Hemigrapsus sanguineus

Hoplophrys oatesii

Camposcia retusa

Xantho poressa

Inachus phalangium

Cancer irroratus

Pagurus samuelis

Cronius ruber

Hemigrapsus takanoi

Herbstia condyliata

Petrochirus diogenes

Pelia mutica

Calcinus tibicen

Pagurus hirtimanus

Clibanarius virescens

Cancridae spp.

Emerita analoga

Calcinus seurati

Arenaeus cribrarius

Romaleon antennarium

Paguristes puncticeps

Cancer borealis

Pagurus granosimanus

Pylopaguropsis zebra

Emerita talpoida

Calcinus latens

Glebocarcinus oregonensis

Dardanus deformis

Pagurus longicarpus

Pagurus prideaux

Oregonia gracilis

Clibanarius vittatus

Pagurus acadianus

Loxorhynchus grandis

Xantho pilipes

Trapezia rufopunctata

Mithraculus sculptus

Aratus pisonii

Petrolisthes cinctipes

Carcinus aestuarii

Trapezia cymodoce

Telmessus cheiragonus

Pilumnus hirtellus

Carpilius corallinus

Pugettia gracilis

Acanthonyx lunulatus

Clibanarius longitarsus

Petrolisthes eriomerus

Calcinus minutus

Metacarcinus gracilis

Charybdis (Charybdis) hellerii

Diogenes pugilator

Clibanarius striolatus

Zebrida adamsii

Calcinus pulcher

Dardanus tinctor

Macropodia rostrata

Portunus sayi

Pilumnus vespertilio

Lophopanopeus bellus

Pagurus cuanensis

Hyas araneus

Daira perlata

Lydia annulipes

Mithraculus cinctimanus

Menippe mercenaria

Cyclocoeloma tuberculatum

Echidnocerus cibarius

Calappa hepatica

Ovalipes trimaculatus

Scyra acutifrons

Pagurus beringanus

Pachycheles rudis

Portunus armatus

Lissocarcinus laevis

Petrolisthes elongatus

Tetralia glaberrima

Polybius henslowii

Calcinus californiensis

Dardanus scutellatus

Cryptosoma cristatum

Metasesarma aubryi

Corystes cassivelaunus

Ovalipes ocellatus

Ozius truncatus

Taliepus nuttallii

Platypodiella picta

Xenocarcinus tuberculatus

Dardanus gemmatus

Paguristes eremita

Porcellanella haigae

Oedignathus inermis

Clibanarius signatus

Paguristes cadenati

Polydectus cupulifer

Lybia caestifera

Romaleon setosum

Trapezia flavopunctata

Calcinus morgani

Calcinus gaimardii

Carpilius convexus

Lissocarcinus orbicularis

Phyllolithodes papillosus

Hemigrapsus sexdentatus

Achelous sebae

Ciliopagurus strigatus

Mictyris longicarpus

Zosimus aeneus

Tetralia nigrolineata

Ovalipes catharus

Pagurus brevidactylus

Trapezia serenei

Mithraculus forceps

Rhinolithodes wosnessenskii

Ilia nucleus

Pagurus armatus

Pagurus hemphilli

Pugettia richii

Homalaspis plana

Simocarcinus simplex

Cryptolithodes typicus

Calappa calappa

Blepharipoda occidentalis

Calappa ocellata

Hapalogaster mertensii

Varuna litterata

Trapezia septata

Potamidae spp.

Mictyris platycheles

Macrocoeloma trispinosum

Calcinus guamensis

Gonioinfradens paucidentatus

Lupocyclus philippinensis

Tumidodromia dormia

Echinoecus pentagonus

Phimochirus holthuisi

Calcinus laurentae

Loxorhynchus crispatus

Ozius verreauxii

Cryptolithodes sitchensis

Dardanus venosus

Trapezia tigrina

Atergatis floridus

Calcinus elegans

Domecia acanthophora

Paguristes gamianus

Dorippe frascone

Metasesarma obesum

Carpilius maculatus

Pugettia foliata

Clibanarius zebra

Cymo quadrilobatus

Petrolisthes cabrilloi

Thoe puella

Calcinus hazletti

Dardanus sanguinocarpus

Cycloxanthops novemdentatus

Lambrachaeus ramifer

Xenocarcinus depressus

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 |
| – |
| – |
| 6,494 |
| Least concern |
Flat CrabPercnon spp. | Easy to miss | – | – | 3,340 | Least concern |
CrabBrachyura spp. | Easy to miss | – | – | 2,995 | Least concern |
| Easy to miss | Up to 6 cm | 0-200m | 2,469 | Least concern |
| Usually seen | Up to 7.7 cm | 0-5m | 2,422 | Least concern |
| Usually seen | – | – | 1,959 | Least concern |
| Usually seen | – | – | 1,846 | Least concern |
Arrow CrabsStenorhynchus spp. | Usually seen | – | – | 1,747 | Least concern |
| Usually seen | 15cm | 0-150m | 1,721 | Least concern |
| – | – | – | 1,508 | Least concern |
| Porcelain Anemone CrabNeopetrolisthes spp. | – | – | – | 1,401 | Least concern |
| – | – | 3-30m | 1,037 | Least concern |
| – | Up to 11 cm | 0-80m | 858 | Least concern |
Pom-pom CrabLybia spp. | Easy to miss | – | – | 809 | Least concern |
| – | – | – | 775 | Least concern |
| – | Up to 20 cm | 0-200m | 724 | Least concern |
Dotted Anemone CrabNeopetrolisthes maculatus | Usually seen | – | – | 631 | Least concern |
| – | – | – | 600 | Least concern |
| Easy to miss | – | – | 552 | Least concern |
| – | – | 0-500m | 536 | Least concern |
| – | – | 0-120m | 439 | Least concern |
| – | Up to 9.6 cm | Up to 30m | 423 | Least concern |
| – | Up to 7.5 cm | – | 340 | Least concern |
| – | Up to 23 cm | 0-90m | 302 | Least concern |
| Easy to miss | Up to 9.3 cm | 0-75m | 296 | Least concern |
| – | – | 0-3m | 286 | Least concern |
| – | – | 0-95m | 281 | Least concern |
| – | – | – | 279 | Least concern |
| – | – | 30-100m | 265 | Least concern |
| – | Up to 20 cm | 0-50m | 261 | Least concern |
| – | – | – | 249 | Least concern |
| – | – | 1-95m | 242 | Least concern |
| – | – | 0-179m | 242 | Least concern |
| – | Up to 20 cm | 0-90m | 237 | Least concern |
| – | – | – | 219 | Least concern |
| – | – | – | 208 | Least concern |
| – | – | – | 205 | Least concern |
| – | Up to 23 cm | 0-360m | 203 | Least concern |
| – | – | 5-100m | 188 | Least concern |
| – | – | – | 187 | Least concern |
Candy CrabHoplophrys oatesii | Hard to spot | – | – | 172 | Least concern |
| – | Up to 4.5 cm | 0-220m | 158 | Least concern |
| – | Up to 4 cm | – | 156 | Least concern |
| – | – | – | 155 | Least concern |
| – | Up to 8.9 cm | 0-575m | 151 | Least concern |
| – | – | – | 147 | Least concern |
| – | Up to 5.2 cm | – | 144 | Least concern |
| – | – | – | 143 | Least concern |
| – | – | – | 135 | Least concern |
| – | – | Up to 128m | 134 | Least concern |
| – | – | – | 132 | Least concern |
| – | – | 0-33m | 131 | Least concern |
| – | – | – | 131 | Least concern |
| – | – | – | 122 | Least concern |
| Usually seen | – | – | 118 | Least concern |
| – | – | – | 117 | Least concern |
| – | – | 0-5m | 116 | Least concern |
| – | Up to 14 cm | – | 115 | Least concern |
| – | Up to 15 cm | 0-91m | 113 | Least concern |
| – | – | 10-31m | 110 | Least concern |
| – | Up to 16 cm | – | 108 | Least concern |
| – | – | – | 105 | Least concern |
| – | – | – | 102 | Least concern |
| – | – | – | 99 | Least concern |
| – | – | 0-95m | 97 | Least concern |
| – | Up to 4 cm | 0-435m | 95 | Least concern |
| – | – | 0-12m | 93 | Least concern |
| – | – | – | 92 | Least concern |
| – | – | – | 89 | Least concern |
| – | Up to 7.5 cm | 0-400m | 87 | Least concern |
| – | – | – | 87 | Least concern |
| – | – | – | 86 | Least concern |
| – | Up to 16 cm | 6-150m | 85 | Least concern |
| – | – | – | 82 | Least concern |
| – | – | – | 78 | Least concern |
| – | Up to 12 mm | – | 78 | Least concern |
| – | Up to 2.7 cm | – | 76 | Least concern |
| – | – | – | 76 | Least concern |
| – | Up to 6.5 cm | – | 75 | Least concern |
| – | – | 0-59m | 74 | Least concern |
| – | Up to 10 cm | – | 74 | Least concern |
| – | – | – | 73 | Least concern |
| – | Up to 15 cm | – | 72 | Least concern |
| – | – | – | 70 | Least concern |
| – | – | – | 70 | Least concern |
| – | – | – | 69 | Least concern |
| – | – | – | 67 | Least concern |
| – | – | 0-32m | 66 | Least concern |
| – | – | – | 64 | Least concern |
| – | Up to 7.9 cm | – | 63 | Least concern |
| – | – | – | 63 | Least concern |
| – | – | – | 61 | Least concern |
Zebra Urchin CrabZebrida adamsii | Easy to miss | – | – | 61 | Least concern |
| – | – | – | 60 | Least concern |
| – | – | – | 60 | Least concern |
| – | – | – | 60 | Least concern |
| – | – | – | 58 | Least concern |
| – | – | – | 58 | Least concern |
| – | – | – | 57 | Least concern |
| – | – | – | 56 | Least concern |
| – | – | – | 55 | Least concern |
| – | – | – | 55 | Least concern |
| – | – | – | 51 | Least concern |
| – | – | – | 51 | Least concern |
| – | – | – | 50 | Least concern |
| Easy to miss | – | 1-10m | 50 | Least concern |
| – | Up to 23 cm | – | 49 | Least concern |
| – | Up to 8 cm | – | 48 | Least concern |
| – | – | – | 48 | Least concern |
| – | Up to 3.8 cm | 0-90m | 48 | Least concern |
| – | – | – | 47 | Least concern |
| Easy to miss | – | – | 47 | Least concern |
| – | Up to 22 cm | 0-50m | 47 | Least concern |
| – | – | 9-82m | 46 | Least concern |
| – | – | – | 43 | Least concern |
| – | – | – | 42 | Least concern |
| – | Up to 4.4 cm | – | 42 | Least concern |
| – | – | – | 42 | Least concern |
| – | – | – | 41 | Least concern |
| – | – | – | 40 | Least concern |
| – | – | – | 39 | Least concern |
| – | – | – | 39 | Least concern |
| – | Up to 8.7 cm | – | 37 | Least concern |
| – | – | – | 37 | Least concern |
| – | Up to 10 cm | 0-90m | 36 | Least concern |
| – | – | – | 36 | Least concern |
| – | – | – | 35 | Least concern |
| – | – | 2-100m | 32 | Least concern |
| – | – | – | 31 | Least concern |
| – | – | 10-30m | 31 | Least concern |
| – | – | – | 31 | Least concern |
| – | – | – | 31 | Least concern |
| – | – | 1-52m | 30 | Least concern |
Teddy-bear CrabPolydectus cupulifer | Easy to miss | – | – | 29 | Least concern |
Boxer CrabLybia caestifera | Easy to miss | – | – | 27 | Least concern |
| – | – | – | 25 | Least concern |
| – | – | – | 24 | Least concern |
| – | – | – | 23 | Least concern |
| – | – | – | 23 | Least concern |
| – | Up to 15 cm | – | 23 | Least concern |
| – | – | – | 23 | Least concern |
| – | Up to 7.5 cm | – | 22 | Least concern |
| – | – | – | 22 | Least concern |
| – | – | – | 22 | Least concern |
| – | – | – | 22 | Least concern |
| – | – | – | 21 | Least concern |
| – | Up to 10 cm | – | 21 | Least concern |
| – | – | – | 20 | Least concern |
| – | – | – | 19 | Least concern |
| – | – | – | 18 | Least concern |
| – | – | – | 18 | Least concern |
| – | – | – | 16 | Least concern |
| – | – | – | 16 | Least concern |
| – | – | – | 16 | Least concern |
| – | 1cm | – | 16 | Least concern |
| – | 1cm | – | 16 | Least concern |
| – | Up to 3 cm | – | 16 | Least concern |
| – | Up to 15 cm | – | 15 | Least concern |
| Hard to spot | – | – | 15 | Least concern |
| – | Up to 7.5 cm | – | 15 | Least concern |
| – | Up to 13 cm | – | 15 | Least concern |
| – | – | – | 13 | Least concern |
| – | – | – | 13 | Least concern |
| – | – | – | 12 | Least concern |
| – | Up to 5.4 cm | – | 12 | Least concern |
| – | – | – | 12 | Least concern |
| Easy to miss | – | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
| – | – | – | 11 | Least concern |
| – | – | – | 10 | Least concern |
| – | Up to 20 cm | – | 9 | Least concern |
| – | – | – | 9 | Least concern |
| – | – | – | 9 | Least concern |
| – | – | – | 8 | Least concern |
| – | Up to 9 cm | 0-180m | 8 | Least concern |
| – | – | – | 8 | Least concern |
| – | Up to 7.5 cm | – | 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 |
| – | Up to 18 cm | – | 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 |
| – | – | – | 1 | Least concern |
| – | – | – | 1 | Least concern |