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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)



84 species in Indian Ocean, Eastern with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)


Caphyra loevis
[Xenia swimming crab]
No picture found

Carupa tenuipes
[Violet-eyed swimming crab]
No picture found

Catoptrus nitidus
[]
No picture found

Cavoportunus dubius
[]
No picture found

Charybdis affinis
[Smoothshelled swimming crab]
No picture found

Charybdis anisodon
[Twospined arm swimming crab]


Charybdis annulata
[Banded-legged swimming crab]
No picture found

Charybdis bimaculata
[Two-spot swimming crab]
No picture found

Charybdis brevispinosa
[]
No picture found

Charybdis callianassa
[]


Charybdis feriata
[Crucifix crab]
No picture found

Charybdis granulata
[]


Charybdis hellerii
[Spiny hands]
No picture found

Charybdis hongkongensis
[]


Charybdis japonica
[Japanese swimming crab]
No picture found

Charybdis jaubertensis
[]
No picture found

Charybdis lucifera
[Yellowish brown crab]
No picture found

Charybdis miles
[Soldier swimming crab]


Charybdis natator
[Ridged swimming crab]
No picture found

Charybdis obtusifrons
[]
No picture found

Charybdis orientalis
[]


Charybdis riversandersoni
[]
No picture found

Charybdis smithii
[]


Charybdis truncata
[Blunt-toothed crab]
No picture found

Charybdis vadorum
[]
No picture found

Charybdis variegata
[]


Cycloachelous granulatus
[]
No picture found

Goniosupradens acutifrons
[]


Lissocarcinus orbicularis
[Sea cucumber crab]
No picture found

Lissocarcinus polybiodes
[]
No picture found

Lupocyclus philippinensis
[]
No picture found

Lupocyclus quinquedentatus
[]
No picture found

Lupocyclus tugelae
[]
No picture found

Monomia australiensis
[]
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Monomia curvipenis
[]
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Monomia rubromarginatus
[]
No picture found

Ovalipes australiensis
[]
No picture found

Ovalipes punctatus
[Sand crab]
No picture found

Podophthalmus vigil
[Periscope crab]
No picture found

Portunus argentatus
[]
No picture found

Portunus armatus
[Blue swimmer crab]
No picture found

Portunus brockii
[]
No picture found

Portunus gladiator
[]
No picture found

Portunus gracilimanus
[]
No picture found

Portunus haanii
[Warty swimming crab]
No picture found

Portunus longispinosus
[]


Portunus pelagicus
[Blue swimming crab]
No picture found

Portunus petreus
[]
No picture found

Portunus pubescens
[Hairy swimming crab]
No picture found

Portunus reticulatus
[]
No picture found

Portunus rugosus
[]


Portunus sanguinolentus
[Threespot swimming crab]
No picture found

Portunus tenuipes
[]
No picture found

Portunus trituberculatus
[Gazami crab]


Portunus tuberculosus
[Blood-spot swimming crab]
No picture found

Scylla olivacea
[Orange mud crab]
No picture found

Scylla paramamosain
[Green mud crab]


Scylla serrata
[Indo-Pacific swamp crab]
No picture found

Scylla tranquebarica
[Purple mud crab]


Thalamita admete
[]
No picture found

Thalamita annulipes
[]
No picture found

Thalamita bouvieri
[]
No picture found

Thalamita chaptalii
[]
No picture found

Thalamita coeruleipes
[]
No picture found

Thalamita cooperi
[]


Thalamita crenata
[Wide front swimcrab]
No picture found

Thalamita dakini
[]
No picture found

Thalamita danae
[]
No picture found

Thalamita demani
[]
No picture found

Thalamita gatavakensis
[]
No picture found

Thalamita gracilipes
[]
No picture found

Thalamita integra
[]
No picture found

Thalamita intermedia
[]
No picture found

Thalamita malaccensis
[]


Thalamita picta
[]
No picture found

Thalamita poissonii
[Poisson swimming crab]
No picture found

Thalamita prymna
[]
No picture found

Thalamita quadrilobata
[]
No picture found

Thalamita sima
[Four-lobed swimming crab]
No picture found

Thalamita spinifera
[]
No picture found

Thalamita spinimana
[Spiny claw swimming crab]
No picture found

Thalamitoides quadridens
[]
No picture found

Thalamitoides tridens
[]


Xiphonectes hastatoides
[]
84 Species of Family Portunidae
(swimming crabs)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Caphyra loevis Xenia swimming crab Indo-West Pacific.
Carupa tenuipes Violet-eyed swimming crab Indo-Pacific
Catoptrus nitidus Indo-West 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 brevispinosa Indo-West Pacific
Charybdis callianassa Indo-West Pacific.
Charybdis feriata Crucifix crab Indo-West Pacific 20 CW
Charybdis granulata Indo-West Pacific 8.25 CW
Charybdis hellerii Spiny hands Indo-Pacific. Introduced 7.9 CW
Charybdis hongkongensis Indo-West Pacific 4.56 CW
Charybdis japonica Japanese swimming crab Western Pacific 7 CW
Charybdis jaubertensis Eastern 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 orientalis Indo-West Pacific
Charybdis riversandersoni Indo-West Pacific
Charybdis smithii Indian Ocean
Charybdis truncata Blunt-toothed crab Indo-West Pacific 5 CW
Charybdis vadorum Indo-West Pacific 2.97 CW
Charybdis variegata Indo-West Pacific. 3.04 CW
Cycloachelous granulatus Indo-Pacific.
Goniosupradens acutifrons Indo-West Pacific
Lissocarcinus orbicularis Sea cucumber crab Indo-Pacific.
Lissocarcinus polybiodes Indo-West Pacific.
Lupocyclus philippinensis Indo-Pacific.
Lupocyclus quinquedentatus Indo-Pacific.
Lupocyclus tugelae Indo-West Pacific.
Monomia australiensis Eastern Indian Ocean
Monomia curvipenis Eastern Indian Ocean
Monomia rubromarginatus Indo-West Pacific
Ovalipes australiensis Indo-West Pacific
Ovalipes punctatus Sand crab Southern Atlantic and Ind 9.5 CW
Podophthalmus vigil Periscope crab Indo-Pacific 15 CW
Portunus argentatus Indo-West Pacific. 3.81 CW
Portunus armatus Blue swimmer crab Indo-West Pacific 22 CW
Portunus brockii Indo-West Pacific
Portunus gladiator Indo-West Pacific. 12 CW
Portunus gracilimanus Indo-West Pacific. 4.27 CW
Portunus haanii Warty swimming crab Indo-West Pacific. 8.24 CW
Portunus longispinosus Indo-Pacific.
Portunus pelagicus Blue swimming crab Indo-West Pacific 20 CW
Portunus petreus Indian Ocean
Portunus pubescens Hairy swimming crab Pacific Ocean
Portunus reticulatus Indian Ocean
Portunus rugosus Indo-West Pacific
Portunus sanguinolentus Threespot swimming crab Indo-Pacific. From East 21.5 CW
Portunus tenuipes Indo-West Pacific
Portunus trituberculatus Gazami crab Indo-West Pacific. 15.86 CW
Portunus tuberculosus Blood-spot swimming crab Indo-Pacific.
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. Intro 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 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 gracilipes Indo-Pacific.
Thalamita integra Indo-Pacific.
Thalamita intermedia Eastern Indian Ocean
Thalamita malaccensis Eastern Indian Ocean
Thalamita picta Indo-Pacific.
Thalamita poissonii Poisson swimming crab Indo-West Pacific and Eas
Thalamita prymna Indo-Pacific.
Thalamita quadrilobata Indo-Pacific.
Thalamita sima Four-lobed swimming crab Indo-Pacific 5.62 CW
Thalamita spinifera Indo-Pacific.
Thalamita spinimana Spiny claw swimming crab Indo-West Pacific. 12 CW
Thalamitoides quadridens Indo-Pacific. Tropical t
Thalamitoides tridens Indo-Pacific.
Xiphonectes hastatoides Indo-West Pacific and Atl



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