Crustaceans

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African Blue Swimming CrabPortunus segnis

© portioidCC BY 4.0 · iNaturalist

Anemone Hermit CrabDardanus pedunculatus

© Jenni LyCC BY 4.0 · iNaturalist

Atlantic Blue CrabCallinectes sapidus

© Bernard PictonCC BY 4.0 · iNaturalist

Atlantic Spinous Spider CrabMaja brachydactyla

© Robin WhiteCC BY 4.0 · iNaturalist

Batwing Coral CrabCarpilius corallinus

© Gabby RCC BY-NC 4.0 · Seabook

Blue Knee Hermit CrabDardanus guttatus

© Klaus Kevin KristensenCC BY 4.0 · iNaturalist

Brush-clawed Shore CrabHemigrapsus takanoi

© seabook.appAll rights reserved

Bull Hydroid CrabNaxioides taurus

© Julien RenoultCC BY 4.0 · iNaturalist

Cave Spider CrabHerbstia condyliata

© Robin WhiteCC BY 4.0 · iNaturalist

Channel Clinging CrabMaguimithrax spinosissimus

© Robin WhiteCC BY 4.0 · iNaturalist

Common Box CrabCalappa hepatica

© Daniel EisenhauerCC BY 4.0 · iNaturalist

Coral Hermit CrabPaguritta harmsi

© Dan SchofieldCC BY 4.0

Corallimorph Decorator CrabCyclocoeloma tuberculatum

© seabook.appAll rights reserved

Crowned Coral CrabQuadrella coronata

© Robin WhiteCC BY 4.0 · iNaturalist

Cryptic Teardrop CrabPelia mutica

© Kai SquiresCC BY 4.0 · iNaturalist

Depressed Spider CrabXenocarcinus depressus

© Bernie WongCC BY 4.0 · iNaturalist

Elegant Squat LobsterAllogalathea elegans

© Klaus Kevin KristensenCC BY 4.0 · iNaturalist

European Green CrabCarcinus maenas

© Cricket RaspetCC BY 4.0 · iNaturalist

Flat Rock CrabPercnon planissimum

© portioidCC BY 4.0 · iNaturalist

Goniosupradens acutifrons

© Jay ParolineCC BY 4.0 · iNaturalist

Hairy Red Hermit CrabDardanus lagopodes

© seabook.appAll rights reserved

Hairy Squat LobsterLauriea siagiani

© Ewout KnoesterCC BY-SA 4.0 · iNaturalist

Harlequin Swimming CrabLissocarcinus laevis

© Daniel EisenhauerCC BY 4.0 · iNaturalist

Honeycomb Coral CrabTrapezia septata

© seabook.appAll rights reserved

Japanese Blue CrabPortunus trituberculatus

© Saryu Mae 前 朝琉CC BY 4.0 · iNaturalist

Japanese mitten crabEriocheir japonica

© Brian GratwickeCC BY 4.0 · iNaturalist

Japanese Spider CrabMacrocheira kaempferi

© Lou WagstaffeCC BY 4.0 · iNaturalist

Leach's Spider CrabInachus phalangium

© Parth KansaraCC BY 4.0 · iNaturalist

Mottled Lightfoot CrabGrapsus albolineatus

© seabook.appAll rights reserved

Munidopsis bairdii

© Silke BaronCC BY 4.0 · iNaturalist

Nimble Spray CrabPercnon gibbesi

© seabook.appAll rights reserved

Olivar's Squat LobsterTrapezionida olivarae

© Stas KuryanAll rights reserved

Orangutan CrabAchaeus japonicus

© Stas KuryanAll rights reserved

Ornamental Spider CrabSchizophrys aspera

© Thomas IrvineCC BY 4.0 · iNaturalist

Perinia tumida

© Stas KuryanAll rights reserved

Pom-pom crabLybia tessellata

© SitronCC BY-SA 4.0 · iNaturalist

Porcupine CrabNeolithodes grimaldii

© Libby KeatleyCC BY 4.0 · iNaturalist

Prideaux's Hermit CrabPagurus prideaux

© BgstevensCC BY-SA 4.0 · iNaturalist

Red Deepsea CrabChaceon quinquedens

© seabook.appAll rights reserved

Red Galathea LobsterGalathea balssi

© R VasconcellosCC BY 4.0 · iNaturalist

Red Sea Anemone Hermit CrabDardanus tinctor

© Franz AnthonyCC BY 4.0 · iNaturalist

Red-clawed CrabChiromantes haematocheir

© portioidCC BY 4.0 · iNaturalist

Reef Decorator CrabCamposcia retusa

© Debra BakerCC BY 4.0 · iNaturalist

Rust-spotted Guard CrabTrapezia rufopunctata

© Jan Ebr & Ivana EbrováCC BY 4.0 · iNaturalist

Rusty Guard CrabTrapezia bidentata

© Leonel RogetCC BY 4.0 · iNaturalist

Sally Lightfoot CrabGrapsus grapsus

© Robin WhiteCC BY 4.0 · iNaturalist

Sleepy Sponge CrabTumidodromia dormia

© Daniel EisenhauerCC BY 4.0 · iNaturalist

Smooth Box CrabCalappa calappa

© BJ SmitCC BY 4.0 · iNaturalist

Soft Coral CrabHoplophrys oatesi

© seabook.appAll rights reserved

Soft Coral Spider CrabAchaeus spinosus

© seabook.appAll rights reserved

Soldier Porcelain CrabPetrolisthes militaris

© seabook.appAll rights reserved

Spanner CrabRanina ranina

© Daniel BenákCC BY 4.0 · iNaturalist

Spiny Squat LobsterGalathea strigosa

© Robin WhiteCC BY 4.0 · iNaturalist

Splendid Pebble CrabEtisus splendidus

© Jay ParolineCC BY 4.0 · iNaturalist

Spotted Porcelain CrabNeopetrolisthes maculatus

© Robin WhiteCC BY 4.0 · iNaturalist

Spotted Reef CrabCarpilius maculatus

© Dmitry KulakovCC BY 4.0 · iNaturalist

St. Piran's CrabClibanarius erythropus

© Cricket RaspetCC BY 4.0 · iNaturalist

Striped Shore CrabPachygrapsus crassipes

© Jason AlexanderCC BY 4.0 · iNaturalist

Tetragonal Fiddler CrabGelasimus tetragonon

© Henrik KibakCC BY 4.0 · iNaturalist

Thin-shelled Rock CrabGrapsus tenuicrustatus

© seabook.appAll rights reserved

Thorny Crinoid CrabTiaramedon spinosum

© Philippe BoujonCC BY-SA 4.0 · iNaturalist

Thranita coeruleipes

© Stas KuryanAll rights reserved

Three-Lobed Porcelain CrabPorcellanella triloba

© seabook.appAll rights reserved

Thyrolambrus efflorescens

© Robin WhiteCC BY 4.0 · iNaturalist

White-speckled HermitPaguristes puncticeps

© Fish and DiveCC BY 4.0 · iNaturalist

White-speckled HermitPaguristes puncticeps

© seabook.appAll rights reserved

White-V Hydroid Spider CrabHyastenus borradailei

© portioidCC BY 4.0 · iNaturalist

Wire Coral CrabXenocarcinus tuberculatus

© Donald DavesneCC BY 4.0 · iNaturalist

Yellowline Arrow CrabStenorhynchus seticornis

© Dan SchofieldCC BY 4.0 · iNaturalist

Zebra Urchin CrabZebrida adamsii

© Roger RittmasterCC BY 4.0

Ambon Cleaner ShrimpLysmata amboinensis

© Stas KuryanAll rights reserved

Ambon Crinoid ShrimpLaomenes amboinensis

Chris SpainCC0 · iNaturalist

Anker's Whip Coral ShrimpPontonides ankeri

© Cricket RaspetCC BY 4.0 · iNaturalist

Banded Coral ShrimpStenopus hispidus

© Kai SquiresAll rights reserved

Banded Tozeuma ShrimpTozeuma armatum

© seabook.appAll rights reserved

Brock's Urchin ShrimpAllopontonia brockii

© portioidCC BY 4.0 · iNaturalist

Bubble Coral ShrimpPalaemonella philippinensis

© Ewout KnoesterCC BY-SA 4.0 · iNaturalist

Bumblebee ShrimpGnathophyllum americanum

© Rachel CraneCC BY 4.0 · iNaturalist

Candy-striped ShrimpLebbeus grandimanus

© Stas KuryanAll rights reserved

Caprellidae sp

© Ben JobsonCC BY 4.0 · iNaturalist

Chiragra Mantis ShrimpGonodactylus chiragra

Chris SpainCC0 · iNaturalist

Clear Cleaner ShrimpUrocaridella antonbruunii

© Libby KeatleyCC BY 4.0 · iNaturalist

Common PrawnPalaemon serratus

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Crinoid Snapping ShrimpSynalpheus stimpsonii

© portioidCC BY 4.0 · iNaturalist

Disc Anemone ShrimpPliopontonia furtiva

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Donald Duck ShrimpLeander plumosus

Chris SpainCC0 · iNaturalist

Dragon ShrimpMiropandalus hardingi

Chris SpainCC0 · iNaturalist

Emperor ShrimpPericlimenes imperator

© prilfishCC BY 4.0 · iNaturalist

Feather Star ShrimpLaomenes cornutus

© Julien RenoultCC BY 4.0 · iNaturalist

Golden Coral ShrimpStenopus spinosus

© seabook.appAll rights reserved

Golden Mantis ShrimpLysiosquilloides mapia

© Daniel MontesinosCC BY 4.0 · iNaturalist

Golden Mantis ShrimpLysiosquilla tredecimdentata

© Pierre PericardCC BY 4.0 · iNaturalist

Graceful Anemone ShrimpAncylomenes venustus

© portioidCC BY 4.0 · iNaturalist

Green-eye Dancing ShrimpCinetorhynchus reticulatus

© Stas KuryanAll rights reserved

Harlequin ShrimpHymenocera picta

© portioidCC BY 4.0 · iNaturalist

Holthuis' Anemone ShrimpAncylomenes holthuisi

© seabook.appAll rights reserved

Inshore Hairy ShrimpNeostylodactylus litoralis

© Stas KuryanAll rights reserved

Lisa's Mantis ShrimpLysiosquilla lisa

© 呂一起(Lyu yi-chi)CC BY 4.0 · iNaturalist

Marbled ShrimpSaron marmoratus

© Daniel BenákCC BY 4.0 · iNaturalist

Monaco ShrimpLysmata seticaudata

Chris SpainCC0 · iNaturalist

Mushroom Coral ShrimpCuapetes kororensis

© Stas KuryanAll rights reserved

Peacock Mantis ShrimpOdontodactylus scyllarus

© 呂一起(Lyu yi-chi)CC BY 4.0 · iNaturalist

Peacock-tail Anemone ShrimpAncylocaris brevicarpalis

© Robin WhiteCC BY 4.0 · iNaturalist

Pederson Cleaner ShrimpAncylomenes pedersoni

© portioidCC BY 4.0 · iNaturalist

Peppermint ShrimpRhynchocinetes durbanensis

© Sarah FaulwetterCC BY 4.0 · iNaturalist

Periclimenes amethysteus

© Pierre PericardCC BY 4.0 · iNaturalist

Red Claw Cuapetes ShrimpCuapetes tenuipes

© Laura FlammeCC BY 4.0 · iNaturalist

Rimicaris exoculata

© Katerina KalogeriniCC BY 4.0 · iNaturalist

Rockpool PrawnPalaemon elegans

© seabook.appAll rights reserved

Saron sp

© Alberto AlcaláCC BY 4.0 · iNaturalist

Seastar ShrimpZenopontonia soror

Jérémy CapelleCC0 · iNaturalist

Snakelocks ShrimpPericlimenes sagittifer

© portioidCC BY 4.0 · iNaturalist

Spiny Tiger ShrimpPhyllognathia ceratophthalma

© Stas KuryanAll rights reserved

Squat Anemone ShrimpThor amboinensis

© Dan SchofieldCC BY 4.0 · iNaturalist

Tiger Snapping ShrimpAlpheus bellulus

© Pierre PericardCC BY 4.0 · iNaturalist

Translucent Gorgonian ShrimpManipontonia psamathe

© Jake McCumberCC BY 4.0 · iNaturalist

West Atlantic Mantis ShrimpSquilla empusa

© 呂一起(Lyu yi-chi)CC BY 4.0 · iNaturalist

Whitestripe Urchin ShrimpStegopontonia commensalis

Chris SpainCC0 · iNaturalist

Yellow-spotted Anemone ShrimpAncylomenes luteomaculatus

© seabook.appAll rights reserved

Zebra Mantis ShrimpLysiosquilla maculata

© hansi_27pCC BY 4.0 · iNaturalist

Bay BarnacleAmphibalanus improvisus

© Rolf LawrenzCC BY 4.0 · iNaturalist

Beaked BarnacleAustrominius modestus

© Arnim LittekCC BY 4.0 · iNaturalist

Buoy BarnacleDosima fascicularis

© Marilynne BoxCC BY 4.0 · iNaturalist

Giant Acorn BarnacleBalanus nubilus

© Sarah AbbateCC BY 4.0 · iNaturalist

Goose BarnacleLepas anserifera

© Isaac KroneCC BY 4.0 · iNaturalist

Gooseneck BarnaclePollicipes polymerus

Northern Acorn BarnacleSemibalanus balanoides

Pacific Acorn BarnacleBalanus glandula

© Saryu Mae 前 朝琉CC BY 4.0 · iNaturalist

Pelagic Gooseneck BarnacleLepas anatifera

© Allison GongCC BY 4.0 · iNaturalist

Pink Volcano BarnacleTetraclita rubescens

StuartCC0 · iNaturalist

Striped BarnacleAmphibalanus amphitrite

© SorrelCC BY 4.0 · iNaturalist

Thatched BarnacleSemibalanus cariosus

© Roger RittmasterCC BY 4.0 · iNaturalist

American LobsterHomarus americanus

Jesse RorabaughCC0 · iNaturalist

California Spiny LobsterPanulirus interruptus

© Klaus Kevin KristensenCC BY 4.0 · iNaturalist

European LobsterHomarus gammarus

© Vsevolod RudyiCC BY 4.0 · iNaturalist

European Spiny LobsterPalinurus elephas

© 呂一起(Lyu yi-chi)CC BY 4.0 · iNaturalist

Japanese Spiny LobsterPanulirus japonicus

© Elias LevyCC BY 4.0 · iNaturalist

Painted Spiny LobsterPanulirus versicolor

© seabook.appAll rights reserved

Prickly Deep-Sea LobsterAcanthacaris tenuimana

© Dan SchofieldCC BY 4.0 · iNaturalist

Sculptured Slipper LobsterParribacus antarcticus

© Vsevolod RudyiCC BY 4.0 · iNaturalist

Small European Locust LobsterScyllarus arctus

© NOAA Ocean Exploration & ResearchCC BY-SA 4.0 · iNaturalist

Giant IsopodBathynomus giganteus

kbkashCC0 · iNaturalist

Kamehameha SeaslaterLigia kamehameha

© Takaaki HattoriCC BY 4.0 · iNaturalist

Ligia ryukyuensis

© seabook.appAll rights reserved

Cyproidea sp

© Stas KuryanAll rights reserved

Longarm PrawnHeteropenaeus longimanus

© seabook.appAll rights reserved

Monstrous Gamba PrawnCerataspis monstrosus

© Charlotte SeidCC BY 4.0 · iNaturalist

parasitic hyperiid amphipodPhronima sedentaria