Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Portunidae swimming crabs (See list of species below)

Select Ocean (marine/brackish) or Continent (freshwater):

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Total number of spines in dorsal and anal fins (optional)



214 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
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Achelous binoculus
[redspotted swimming crab]
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Achelous ordwayi
[redhair swimming crab]


Arenaeus cribrarius
[speckled swimming crab]
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Bathynectes longispina
[bathyal swimming crab]


Bathynectes maravigna
[]
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Bathynectes piperitus
[peppermint swimcrab]
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Callinectes amnicola
[bigfisted swimcrab]
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Callinectes arcuatus
[arched swimming crab]
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Callinectes bellicosus
[warrior swimcrab]
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Callinectes bocourti
[blunttooth swimcrab]


Callinectes danae
[Dana swimcrab]
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Callinectes exasperatus
[rugose swimcrab]
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Callinectes larvatus
[masked swimcrab]
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Callinectes maracaiboensis
[Maracaibo swimcrab]
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Callinectes marginatus
[marbled swimcrab]
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Callinectes ornatus
[shelling crab]
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Callinectes pallidus
[gladiator swimcrab]
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Callinectes rathbunae
[sharptooth swimcrab]


Callinectes sapidus
[blue crab]
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Callinectes similis
[lesser blue crab]
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Callinectes toxotes
[giant swimcrab]
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Caphyra acheronae
[]


Caphyra loevis
[Xenia swimming crab]
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Caphyra rotundifrons
[turtle-weed crab]
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Caphyra tridens
[]
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Caphyra unidentata
[]


Carcinus aestuarii
[Mediterranean shore crab]


Carcinus maenas
[green crab]
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Carcinus mediterraneus
[]
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Carupa laeviscula
[]
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Carupa tenuipes
[violet-eyed swimming crab]
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Catoptrus inaequalis
[]
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Catoptrus nitidus
[]
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Cavoportunus dubius
[]
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Charybdis acuta
[]
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Charybdis affinis
[smoothshelled swimming crab]
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Charybdis amboinensis
[]
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Charybdis anisodon
[twospined arm swimming crab]
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Charybdis annulata
[banded-legged swimming crab]
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Charybdis beauforti
[]
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Charybdis bimaculata
[two-spot swimming crab]
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Charybdis callianassa
[]
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Charybdis erythrodactyla
[rainbow crab]


Charybdis feriatus
[crucifix crab]
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Charybdis granulata
[]
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Charybdis hawaiensis
[Hawaiian swimming crab]
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Charybdis hellerii
[spiny hands]
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Charybdis hongkongensis
[]


Charybdis japonica
[Japanese swimming crab]
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Charybdis jaubertensis
[]
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Charybdis longicollis
[lesser swimming crab]
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Charybdis lucifera
[yellowish brown crab]
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Charybdis miles
[soldier swimming crab]


Charybdis natator
[ridged swimming crab]
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Charybdis obtusifrons
[]
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Charybdis orientalis
[]
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Charybdis ornata
[]
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Charybdis padadiana
[]
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Charybdis paucidentata
[]
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Charybdis philippinensis
[]
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Charybdis rathbuni
[]


Charybdis riversandersoni
[]
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Charybdis rufodactylus
[]
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Charybdis smithiii
[]


Charybdis truncata
[blunt-toothed crab]
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Charybdis vadorum
[]
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Charybdis vannamei
[]
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Charybdis variegata
[]
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Cronius ruber
[red swimcrab]


Cycloachelous granulatus
[]
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Cycloachelous orbitosinus
[]
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Cycloachelous suborbicularis
[]
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Echinolatus caledonicus
[]
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Echinolatus proximus
[]
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Gonioinfradens paucidentatus
[]
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Laleonectes nipponensis
[]
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Laleonectes stridens
[]
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Laleonectes vocans
[]


Liocarcinus corrugatus
[wrinkled swimcrab]


Liocarcinus depurator
[blue-leg swimcrab]
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Liocarcinus marmoreus
[marbled swimming crab]


Liocarcinus navigator
[]
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Liocarcinus pusillus
[]


Liocarcinus vernalis
[smooth swimcrab]
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Lissocarcinus elegans
[]
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Lissocarcinus holothuricola
[]


Lissocarcinus laevis
[swimmer crab]


Lissocarcinus orbicularis
[sea cucumber crab]
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Lissocarcinus polybiodes
[]
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Lissocarcinus polyboides
[]
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Lupella forceps
[]
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Lupocyclus inaequalis
[]
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Lupocyclus philippinensis
[]
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Lupocyclus quinquedentatus
[]
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Lupocyclus tugelae
[]
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Macropipus puber
[velvet swimcrab]


Macropipus tuberculatus
[knobby swimcrab]
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Monomia curvipenis
[]
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Monomia lucida
[]


Necora puber
[velvet swimming crab]
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Nectocarcinus antarcticus
[]
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Nectocarcinus bennetti
[]
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Nectocarcinus pubescens
[]


Neptunus hastatoides
[]
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Neptunus longispinosus
[]
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Ovalipes australiensis
[]
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Ovalipes catharus
[paddle crab]
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Ovalipes elongatus
[]
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Ovalipes floridanus
[Florida lady crab]
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Ovalipes iridescens
[]


Ovalipes ocellatus
[ocellate lady crab]
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Ovalipes punctatus
[sand crab]
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Ovalipes trimaculatus
[rowing crab]
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Parathranites hexagonum
[]
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Parathranites intermedius
[]
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Parathranites orientalis
[]
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Parathranites parahexagonus
[]
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Parathranites tuberosus
[]
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Podophthalmus nacreus
[]
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Podophthalmus vigil
[periscope crab]
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Polybius henslowii
[Henslow's swimming crab]


Polybius holsatus
[flying swimming crab]


Portumnus latipes
[slender swimcrab]
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Portumnus lysianassa
[]
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Portunus acuminatus
[]
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Portunus anceps
[delicate swimming crab]
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Portunus argentatus
[]
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Portunus armatus
[]
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Portunus brockii
[]
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Portunus convexus
[]
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Portunus depressifrons
[flatface swimming crab]


Portunus gibbesii
[iridescent swimming crab]
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Portunus gladiator
[]
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Portunus gracilimanus
[]
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Portunus guinotae
[]
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Portunus haanii
[warty swimming crab]


Portunus hastatus
[lancer swimcrab]
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Portunus iranjae
[]
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Portunus lecromi
[]
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Portunus longispinosus
[]
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Portunus macrophthalmus
[]
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Portunus mariei
[]
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Portunus orbicularis
[]
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Portunus paralatibrachium
[]


Portunus pelagicus
[blue swimming crab]
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Portunus petreus
[]
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Portunus pubescens
[hairy swimming crab]
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Portunus rubromarginatus
[]
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Portunus rugosus
[]


Portunus sanguinolentus
[threespot swimming crab]


Portunus sayi
[sargassum swimming crab]
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Portunus sebae
[ocellate swimming crab]


Portunus segnis
[]
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Portunus spinicarpus
[longspine swimming crab]
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Portunus spiniferus
[]
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Portunus spinimanus
[blotched swimming crab]
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Portunus stephensoni
[]
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Portunus tenuicaudatus
[]
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Portunus tenuipes
[]
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Portunus trituberculatus
[Gazami crab]


Portunus tuberculosus
[blood-spot swimming crab]
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Portunus ventralis
[]
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Portunus vossi
[]
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Portunus xantusii
[Xantus swimcrab]
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Raymanninus schmitti
[sharpoar swimming crab]
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Richerellus moosai
[]
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Sanquerus validus
[Senegalese smooth swimcrab]
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Scylla olivacea
[orange mud crab]
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Scylla paramamosain
[green mud crab]


Scylla serrata
[Indo-Pacific swamp crab]
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Scylla tranquebarica
[purple mud crab]


Thalamita admete
[]
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Thalamita annulipes
[]
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Thalamita auauensis
[]
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Thalamita bevisi
[]
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Thalamita bouvieri
[]
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Thalamita cerasma
[]
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Thalamita chaptalii
[]
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Thalamita coeruleipes
[]
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Thalamita cooperi
[]
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Thalamita corrugata
[]


Thalamita crenata
[wide front swimcrab]
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Thalamita dakini
[]
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Thalamita danae
[]
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Thalamita demani
[]
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Thalamita difficilis
[]
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Thalamita gatavakensis
[]
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Thalamita gloriensis
[]
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Thalamita gracilipes
[]
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Thalamita integra
[]
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Thalamita investigatoris
[]
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Thalamita iranica
[]
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Thalamita macropus
[]
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Thalamita macrospinifera
[]
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Thalamita minuscula
[]
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Thalamita mitsiensis
[]
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Thalamita multispinosa
[]
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Thalamita philippinensis
[]


Thalamita picta
[]
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Thalamita pilumnoides
[]
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Thalamita poisonii
[]
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Thalamita prymna
[]
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Thalamita pseudopelsarti
[]
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Thalamita quadrilobata
[]
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Thalamita rubridens
[]
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Thalamita savignyi
[]
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Thalamita seurati
[]
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Thalamita sima
[four-lobed swimming crab]
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Thalamita simillima
[]
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Thalamita spinifera
[]
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Thalamita spinimana
[spiny claw swimming crab]
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Thalamita woodmasoni
[]
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Thalamitoides quadridens
[]
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Thalamitoides tridens
[]
214 Species of Family Portunidae
(swimming crabs)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Achelous binoculus redspotted swimming crab Western Atlantic Ocean.
Achelous ordwayi redhair swimming crab Western Atlantic Ocean. 1.06 CW
Arenaeus cribrarius speckled swimming crab Western Atlantic 14.1 CW
Bathynectes longispina bathyal swimming crab Western Atlantic Ocean.
Bathynectes maravigna Northwest Atlantic and th
Bathynectes piperitus peppermint swimcrab Eastern Atlantic
Callinectes amnicola bigfisted swimcrab Eastern Atlantic 7.5 CL
Callinectes arcuatus arched swimming crab Eastern Pacific
Callinectes bellicosus warrior swimcrab East Pacific.
Callinectes bocourti blunttooth swimcrab Western Atlantic 16 WD
Callinectes danae Dana swimcrab Western Atlantic 13.9 WD
Callinectes exasperatus rugose swimcrab Eastern Pacific and Weste 12.9 WD
Callinectes larvatus masked swimcrab Western Atlantic 14.2 WD
Callinectes maracaiboensis Maracaibo swimcrab Western Central Atlantic 16 WD
Callinectes marginatus marbled swimcrab Atlantic Ocean 10 CW
Callinectes ornatus shelling crab Western Atlantic 13 WD
Callinectes pallidus gladiator swimcrab Eastern Atlantic 4.5 CL
Callinectes rathbunae sharptooth swimcrab Western Central Atlantic 15 WD
Callinectes sapidus blue crab Western Atlantic 22.7 WD
Callinectes similis lesser blue crab Western Atlantic 12.2 WD
Callinectes toxotes giant swimcrab Eastern Pacific
Caphyra acheronae Southwest Pacific
Caphyra loevis Xenia swimming crab Indo-West Pacific
Caphyra rotundifrons turtle-weed crab Indo-Pacific.
Caphyra tridens Indo-Pacific
Caphyra unidentata Indo-Pacific.
Carcinus aestuarii Mediterranean shore crab Mediterranean Sea, Black 6.5 CW
Carcinus maenas green crab Eastern Atlantic 6 CL
Carcinus mediterraneus Mediterranean Sea.
Carupa laeviscula Indo-West Pacific
Carupa tenuipes violet-eyed swimming crab Indo-Pacific
Catoptrus inaequalis Indo-Pacific.
Catoptrus nitidus Pacific Ocean
Cavoportunus dubius Indo-Pacific.
Charybdis acuta Western Pacific.
Charybdis affinis smoothshelled swimming crab Indo-West Pacific 6 CW
Charybdis amboinensis Western Central Pacific.
Charybdis anisodon twospined arm swimming crab Indo-West Pacific reachin
Charybdis annulata banded-legged swimming crab Indo-Pacific 7 CW
Charybdis beauforti Western Central Pacific.
Charybdis bimaculata two-spot swimming crab Indo-West Pacific
Charybdis callianassa Indo-West Pacific.
Charybdis erythrodactyla rainbow crab Indo-Pacific.
Charybdis feriatus crucifix crab Indo-West Pacific and Atl 20 CW
Charybdis granulata Northwest Pacific
Charybdis hawaiensis Hawaiian swimming crab Pacific Ocean.
Charybdis hellerii spiny hands Indo-West Pacific. Intro 4.7 CW
Charybdis hongkongensis Indo-West Pacific
Charybdis japonica Japanese swimming crab Western Pacific 7 CW
Charybdis jaubertensis Eastern Indian Ocean
Charybdis longicollis lesser swimming crab Western Indian Ocean, Med
Charybdis lucifera yellowish brown crab Indo-West Pacific
Charybdis miles soldier swimming crab Indo-West Pacific.
Charybdis natator ridged swimming crab Indo-West Pacific 17 CW
Charybdis obtusifrons Indo-Pacific.
Charybdis orientalis Indo-West Pacific
Charybdis ornata Western Central Pacific
Charybdis padadiana Western Central Pacific.
Charybdis paucidentata Eastern central Pacific
Charybdis philippinensis Western Central Pacific.
Charybdis rathbuni Eastern Central Pacific
Charybdis riversandersoni Indo-West Pacific
Charybdis rufodactylus Western Central Pacific.
Charybdis smithiii Eastern Indian Ocean
Charybdis truncata blunt-toothed crab Indo-West Pacific 5 CW
Charybdis vadorum Western Pacific
Charybdis vannamei Western Central Pacific.
Charybdis variegata Indo-West Pacific
Cronius ruber red swimcrab Atlantic Ocean and Easter 5.19999980926514 CL
Cycloachelous granulatus Indo-Pacific.
Cycloachelous orbitosinus Western Central Pacific
Cycloachelous suborbicularis Indo-Pacific.
Echinolatus caledonicus Western Central Pacific.
Echinolatus proximus Eastern Central Pacific
Gonioinfradens paucidentatus Indo-Pacific.
Laleonectes nipponensis Indo-Pacific.
Laleonectes stridens Eastern Central Pacific
Laleonectes vocans Atlantic Ocean.
Liocarcinus corrugatus wrinkled swimcrab Atlantic, Indo-Pacific an 5 CL
Liocarcinus depurator blue-leg swimcrab Northeast Atlantic and th 4 CW
Liocarcinus marmoreus marbled swimming crab North Sea.
Liocarcinus navigator Northeast Atlantic and th
Liocarcinus pusillus Northeast Atlantic
Liocarcinus vernalis smooth swimcrab Western Central Pacific,
Lissocarcinus elegans Eastern Central Pacific
Lissocarcinus holothuricola Eastern Central Pacific
Lissocarcinus laevis swimmer crab Central Pacific
Lissocarcinus orbicularis sea cucumber crab Indo-Pacific.
Lissocarcinus polybiodes Western Central Pacific.
Lissocarcinus polyboides Indo-Pacific.
Lupella forceps Western Central Atlantic.
Lupocyclus inaequalis Western Central Pacific
Lupocyclus philippinensis Indo-Pacific.
Lupocyclus quinquedentatus Indo-Pacific.
Lupocyclus tugelae Western Central Pacific.
Macropipus puber velvet swimcrab Western Atlantic 6.5 CL
Macropipus tuberculatus knobby swimcrab Eastern Atlantic and the 3.96 CW
Monomia curvipenis Eastern Indian Ocean
Monomia lucida Western Central Pacific
Necora puber velvet swimming crab Eastern Atlantic and the 10.9 CL
Nectocarcinus antarcticus Southwest Pacific
Nectocarcinus bennetti Southwest Pacific
Nectocarcinus pubescens Western Central Pacific.
Neptunus hastatoides Indo-West Pacific and Atl
Neptunus longispinosus Western Central Pacific
Ovalipes australiensis Indo-West Pacific
Ovalipes catharus paddle crab Southwest Pacific
Ovalipes elongatus Southwest Pacific
Ovalipes floridanus Florida lady crab Western Atlantic Ocean.
Ovalipes iridescens Western Central Pacific.
Ovalipes ocellatus ocellate lady crab Western Atlantic Ocean. 8.7 CW
Ovalipes punctatus sand crab Southern Atlantic and Ind 9.5 CW
Ovalipes trimaculatus rowing crab Indo-West Pacific and Sou
Parathranites hexagonum Eastern central Pacific
Parathranites intermedius Western Central Pacific.
Parathranites orientalis Western Central Pacific.
Parathranites parahexagonus Eastern Central Pacific
Parathranites tuberosus Eastern Central Pacific
Podophthalmus nacreus Western Central Pacific.
Podophthalmus vigil periscope crab Indo-Pacific. 15 CW
Polybius henslowii Henslow's swimming crab Eastern Atlantic and the 4.4 CL
Polybius holsatus flying swimming crab Eastern Atlantic. 3.7 CL
Portumnus latipes slender swimcrab Mediterranean (Spain, Fra
Portumnus lysianassa Mediterranean Sea.
Portunus acuminatus Eastern Pacific
Portunus anceps delicate swimming crab Western Atlantic Ocean.
Portunus argentatus Indo-West Pacific and Atl
Portunus armatus Indo-West Pacific
Portunus brockii Indo-West Pacific
Portunus convexus Western Central Pacific
Portunus depressifrons flatface swimming crab Western Atlantic Ocean.
Portunus gibbesii iridescent swimming crab Western Atlantic
Portunus gladiator Indo-West Pacific
Portunus gracilimanus Indo-West Pacific
Portunus guinotae Eastern Central Pacific
Portunus haanii warty swimming crab Indo-West Pacific.
Portunus hastatus lancer swimcrab Eastern Atlantic and thro 2.59999990463257 CL
Portunus iranjae Indo-Pacific.
Portunus lecromi Western Central Pacific.
Portunus longispinosus Indo-Pacific.
Portunus macrophthalmus Indo-Pacific.
Portunus mariei Western Central Pacific.
Portunus orbicularis Western Pacific
Portunus paralatibrachium Eastern Central Pacific
Portunus pelagicus blue swimming crab Indo-West Pacific 20 CW
Portunus petreus Eastern Indian Ocean
Portunus pubescens hairy swimming crab Southeast Pacific
Portunus rubromarginatus Indo-West Pacific
Portunus rugosus Western Central Pacific
Portunus sanguinolentus threespot swimming crab Indo-Pacific. From East 20 CW
Portunus sayi sargassum swimming crab Eastern Atlantic Ocean.
Portunus sebae ocellate swimming crab Western Atlantic Ocean.
Portunus segnis Western Indian Ocean
Portunus spinicarpus longspine swimming crab Western Atlantic Ocean. 4.29 CW
Portunus spiniferus Western Central Pacific.
Portunus spinimanus blotched swimming crab Western Atlantic. Temper 9.19 CW
Portunus stephensoni Western Central Pacific.
Portunus tenuicaudatus Western Central Pacific.
Portunus tenuipes Eastern Indian Ocean
Portunus trituberculatus Gazami crab Indo-West Pacific. 15 CW
Portunus tuberculosus blood-spot swimming crab Northwest Pacific
Portunus ventralis Western Atlantic.
Portunus vossi Western Central Atlantic
Portunus xantusii Xantus swimcrab Eastern Pacific 7.5 CW
Raymanninus schmitti sharpoar swimming crab Western Atlantic Ocean.
Richerellus moosai Western Central Pacific.
Sanquerus validus Senegalese smooth swimcrab Eastern Atlantic 9.30000019073486 CL
Scylla olivacea orange mud crab Indo-West Pacific. 18 CW
Scylla paramamosain green mud crab Indo-West Pacific 20 CW
Scylla serrata Indo-Pacific swamp crab Indo-West Pacific. Introd 28 CW
Scylla tranquebarica purple mud crab Eastern Indian Ocean; Nor 20 CW
Thalamita admete Indo-Pacific. Tropical t
Thalamita annulipes Eastern Indian Ocean
Thalamita auauensis Eastern Pacific.
Thalamita bevisi Eastern Pacific
Thalamita bouvieri Indo-Pacific. Tropical t
Thalamita cerasma Pacific Ocean
Thalamita chaptalii Indo-Pacific. Tropical t
Thalamita coeruleipes Indo-Pacific. Tropical t
Thalamita cooperi Indo-Pacific. Tropical t
Thalamita corrugata Pacific Ocean. Tropical
Thalamita crenata wide front swimcrab Indo-Pacific 8 CW
Thalamita dakini Indo-Pacific.
Thalamita danae Indo-Pacific
Thalamita demani Indo-Pacific.
Thalamita difficilis Southwest Pacific
Thalamita gatavakensis Indo-Pacific.
Thalamita gloriensis Indo-Pacific, Northeast A
Thalamita gracilipes Indo-Pacific.
Thalamita integra Indo-Pacific.
Thalamita investigatoris Western Central Pacific
Thalamita iranica Western Indian Ocean.
Thalamita macropus Pacific Ocean.
Thalamita macrospinifera Indo-Pacific.
Thalamita minuscula Eastern Central Pacific
Thalamita mitsiensis Indo-Pacific. Tropical t
Thalamita multispinosa Eastern Central Pacific
Thalamita philippinensis Indo-Pacific.
Thalamita picta Indo-Pacific.
Thalamita pilumnoides Indo-Pacific.
Thalamita poisonii Indo-West Pacific and Eas
Thalamita prymna Indo-Pacific.
Thalamita pseudopelsarti Central Pacific
Thalamita quadrilobata Indo-Pacific.
Thalamita rubridens Western Indian Ocean
Thalamita savignyi Indo-West Pacific.
Thalamita seurati Eastern Central Pacific
Thalamita sima four-lobed swimming crab Indo-West Pacific and Atl
Thalamita simillima Eastern Central Pacific
Thalamita spinifera Indo-Pacific.
Thalamita spinimana spiny claw swimming crab Indo-West Pacific. 12 CW
Thalamita woodmasoni Indo-Pacific
Thalamitoides quadridens Indo-Pacific. Tropical t
Thalamitoides tridens Indo-West Pacific



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