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Non-fish Identification: Find Species

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

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



86 species in Indian Ocean, Western with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
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Alionectes pulchricristatus
[]


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
[]
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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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Cavoportunus dubius
[]
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Charybdis affinis
[Smoothshelled swimming crab]
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Charybdis anisodon
[Twospined arm swimming crab]


Charybdis annulata
[Banded-legged swimming crab]
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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 feriata
[Crucifix crab]


Charybdis hellerii
[Spiny hands]
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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 omanensis
[]
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Charybdis orientalis
[]


Charybdis riversandersoni
[]
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Charybdis sagamiensis
[]
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Charybdis smithii
[]


Charybdis truncata
[Blunt-toothed crab]
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Charybdis variegata
[]


Cycloachelous granulatus
[]
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Cycloachelous suborbicularis
[]


Gonioinfradens paucidentatus
[]
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Laleonectes nipponensis
[]


Lissocarcinus orbicularis
[Sea cucumber crab]
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Lissocarcinus polyboides
[]
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Lupocyclus inaequalis
[]
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Lupocyclus quinquedentatus
[]
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Lupocyclus tugelae
[]
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Monomia lucida
[]
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Ovalipes punctatus
[Sand crab]
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Ovalipes trimaculatus
[Rowing crab]
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Podophthalmus vigil
[Periscope crab]
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Portunus argentatus
[]
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Portunus convexus
[]
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Portunus gladiator
[]
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Portunus guinotae
[]
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Portunus haanii
[Warty swimming crab]
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Portunus iranjae
[]
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Portunus longispinosus
[]
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Portunus macrophthalmus
[]


Portunus pelagicus
[Blue swimming crab]
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Portunus petreus
[]
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Portunus reticulatus
[]


Portunus sanguinolentus
[Threespot swimming crab]


Portunus segnis
[]


Portunus tuberculosus
[Blood-spot swimming crab]


Scylla serrata
[Indo-Pacific swamp crab]


Thalamita admete
[]
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Thalamita bouvieri
[]
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Thalamita chaptalii
[]
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Thalamita coeruleipes
[]
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Thalamita cooperi
[]


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 gatavakensis
[]
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Thalamita gloriensis
[]
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Thalamita gracilipes
[]
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Thalamita integra
[]
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Thalamita iranica
[]
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Thalamita macrospinifera
[]
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Thalamita mitsiensis
[]
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Thalamita philippinensis
[]


Thalamita picta
[]
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Thalamita pilumnoides
[]
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Thalamita poissonii
[Poisson swimming crab]
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Thalamita prymna
[]
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Thalamita quadrilobata
[]
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Thalamita rubridens
[]
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Thalamita savignyi
[]
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Thalamita sima
[Four-lobed swimming crab]
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Thalamita spinifera
[]
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Thalamita woodmasoni
[]
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Thalamitoides quadridens
[]
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Thalamitoides tridens
[]
86 Species of Family Portunidae
(swimming crabs)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Alionectes pulchricristatus Indo-West Pacific 2.61 CW
Caphyra loevis Xenia swimming crab Indo-West Pacific.
Caphyra rotundifrons Turtle-weed crab Indo-Pacific.
Caphyra tridens Indo-Pacific
Caphyra unidentata Indo-Pacific.
Carupa laeviscula Indo-West Pacific
Carupa tenuipes Violet-eyed swimming crab Indo-Pacific
Catoptrus inaequalis Indo-Pacific.
Cavoportunus dubius Indo-Pacific.
Charybdis affinis Smoothshelled swimming crab Indo-West Pacific 6 CW
Charybdis anisodon Twospined arm swimming crab Indo-West Pacific reachin 4.53 CW
Charybdis annulata Banded-legged swimming crab Indo-Pacific 7 CW
Charybdis bimaculata Two-spot swimming crab Indo-West Pacific 3.43 CW
Charybdis callianassa Indo-West Pacific.
Charybdis erythrodactyla Rainbow crab Indo-Pacific.
Charybdis feriata Crucifix crab Indo-West Pacific 20 CW
Charybdis hellerii Spiny hands Indo-Pacific. Introduced 7.9 CW
Charybdis longicollis Lesser swimming crab Western Indian Ocean
Charybdis lucifera Yellowish brown crab Indo-Pacific 47.4 CL
Charybdis miles Soldier swimming crab Indo- Pacific 7.5 CW
Charybdis natator Ridged swimming crab Indo-West Pacific 17 CW
Charybdis obtusifrons Indo-Pacific.
Charybdis omanensis Western Indian Ocean
Charybdis orientalis Indo-West Pacific
Charybdis riversandersoni Indo-West Pacific
Charybdis sagamiensis Indo-Pacific
Charybdis smithii Indian Ocean
Charybdis truncata Blunt-toothed crab Indo-West Pacific 5 CW
Charybdis variegata Indo-West Pacific. 3.04 CW
Cycloachelous granulatus Indo-Pacific.
Cycloachelous suborbicularis Indo-Pacific.
Gonioinfradens paucidentatus Indo-Pacific. Introduced
Laleonectes nipponensis Indo-Pacific.
Lissocarcinus orbicularis Sea cucumber crab Indo-Pacific.
Lissocarcinus polyboides Indo-Pacific.
Lupocyclus inaequalis Indo-Pacific.
Lupocyclus quinquedentatus Indo-Pacific.
Lupocyclus tugelae Indo-West Pacific.
Monomia lucida Indo-West Pacific.
Ovalipes punctatus Sand crab Southern Atlantic and Ind 9.5 CW
Ovalipes trimaculatus Rowing crab Indo-West Pacific and Sou
Podophthalmus vigil Periscope crab Indo-Pacific 15 CW
Portunus argentatus Indo-West Pacific. 3.81 CW
Portunus convexus Indo-West Pacific
Portunus gladiator Indo-West Pacific. 12 CW
Portunus guinotae Indo-Pacific.
Portunus haanii Warty swimming crab Indo-West Pacific. 8.24 CW
Portunus iranjae Indo-Pacific.
Portunus longispinosus Indo-Pacific.
Portunus macrophthalmus Indo-Pacific.
Portunus pelagicus Blue swimming crab Indo-West Pacific 20 CW
Portunus petreus Indian Ocean
Portunus reticulatus Indian Ocean
Portunus sanguinolentus Threespot swimming crab Indo-Pacific. From East 21.5 CW
Portunus segnis Western Indian Ocean 16.2 CW
Portunus tuberculosus Blood-spot swimming crab Indo-Pacific.
Scylla serrata Indo-Pacific swamp crab Indo-West Pacific. Intro 28 CW
Thalamita admete Indo-Pacific. Tropical t
Thalamita bouvieri Indo-Pacific. Tropical t
Thalamita chaptalii Indo-Pacific. Tropical t
Thalamita coeruleipes Indo-Pacific. Tropical t
Thalamita cooperi Indo-Pacific. Tropical t
Thalamita crenata Wide front swimcrab Indo-Pacific. 8 CW
Thalamita dakini Indo-Pacific.
Thalamita danae Indo-Pacific
Thalamita demani Indo-Pacific.
Thalamita gatavakensis Indo-Pacific.
Thalamita gloriensis Indo-Pacific, Northeast A
Thalamita gracilipes Indo-Pacific.
Thalamita integra Indo-Pacific.
Thalamita iranica Western Indian Ocean.
Thalamita macrospinifera Indo-Pacific.
Thalamita mitsiensis Indo-Pacific. Tropical t
Thalamita philippinensis Indo-Pacific.
Thalamita picta Indo-Pacific.
Thalamita pilumnoides Indo-Pacific.
Thalamita poissonii Poisson swimming crab Indo-West Pacific and Eas
Thalamita prymna Indo-Pacific.
Thalamita quadrilobata Indo-Pacific.
Thalamita rubridens Western Indian Ocean
Thalamita savignyi Indo-West Pacific.
Thalamita sima Four-lobed swimming crab Indo-Pacific 5.62 CW
Thalamita spinifera Indo-Pacific.
Thalamita woodmasoni Indo-Pacific
Thalamitoides quadridens Indo-Pacific. Tropical t
Thalamitoides tridens Indo-Pacific.



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