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Non-fish Identification: Find Species

Family: Goneplacidae rhomboid crabs (See list of species below)

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



38 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
No picture found

Bathyplax typhlus
[Rigid bathyal crab]
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Beuroisia manquenei
[]
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Carcinoplax abyssicola
[]
No picture found

Carcinoplax longimanus
[Long-armed crab]
No picture found

Carcinoplax purpurea
[]
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Carcinoplax sinica
[]
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Carcinoplax velutina
[]
No picture found

Chasmocarcinus chacei
[]
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Chasmocarcinus cylindricus
[Smoothwrist soft crab]
No picture found

Chasmocarcinus mississippiensis
[Roughwrist soft crab]
No picture found

Chasmocarcinus obliquus
[]
No picture found

Eucrate alcocki
[]
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Eucrate costata
[]
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Eucrate crenata
[]
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Eucrate laevis
[]
No picture found

Euryplax nitida
[Glabrous broadface crab]
No picture found

Frevillea barbata
[]
No picture found

Frevillea hirsuta
[Tufted broadface crab]
No picture found

Goneplacoides marivenae
[]
No picture found

Goneplax renoculis
[]


Goneplax rhomboides
[Angular crab]
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Neogoneplax renoculis
[]
No picture found

Neopilumnoplax americana
[Bimarginate bathyal crab]
No picture found

Neopilumnoplax neili
[]
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Ommatocarcinus macgillivrayi
[]
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Pilumnoplax elata
[]
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Pseudozius caystrus
[]
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Scalopidia spinosipes
[]
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Sotoplax robertsi
[]
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Thalassoplax angusta
[Narrow bathyal crab]
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Thyraplax cooki
[]
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Thyraplax cristata
[]
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Thyraplax digitodentata
[]
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Thyraplax truncata
[]
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Trapezioplax tridentata
[Spined broadface crab]
No picture found

Trizocarcinus tacitus
[]
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Typhlocarcinus nudus
[]
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Typhlocarcinus villosus
[]
38 Species of Family Goneplacidae
(rhomboid crabs)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Bathyplax typhlus Rigid bathyal crab Western Atlantic Ocean.
Beuroisia manquenei Eastern Central Pacific
Carcinoplax abyssicola Central Pacific
Carcinoplax longimanus Long-armed crab Western Pacific 8 CW
Carcinoplax purpurea Western Pacific 2.32 CW
Carcinoplax sinica Western Pacific 4.69 CW
Carcinoplax velutina Central Pacific
Chasmocarcinus chacei Western Central Atlantic.
Chasmocarcinus cylindricus Smoothwrist soft crab Western Atlantic Ocean.
Chasmocarcinus mississippiensis Roughwrist soft crab Western Atlantic Ocean.
Chasmocarcinus obliquus Western Central Atlantic.
Eucrate alcocki Northwest Pacific 2.86 CW
Eucrate costata Northwest Pacific
Eucrate crenata Indo-West Pacific 3.52 CW
Eucrate laevis Indo-Pacific.
Euryplax nitida Glabrous broadface crab Western Atlantic
Frevillea barbata Western Central Atlantic.
Frevillea hirsuta Tufted broadface crab Western Atlantic Ocean.
Goneplacoides marivenae Western Pacific
Goneplax renoculis Northwest Pacific
Goneplax rhomboides Angular crab Eastern Atlantic and the 3.4 CW
Neogoneplax renoculis Pacific Ocean.
Neopilumnoplax americana Bimarginate bathyal crab Western Atlantic Ocean.
Neopilumnoplax neili Indo-West Pacific
Ommatocarcinus macgillivrayi Northwest Pacific
Pilumnoplax elata Western Central Atlantic
Pseudozius caystrus Indo-Pacific. Tropical t
Scalopidia spinosipes Western Pacific 2.64 CW
Sotoplax robertsi Western Central Atlantic
Thalassoplax angusta Narrow bathyal crab Western Atlantic Ocean.
Thyraplax cooki Pacific Ocean.
Thyraplax cristata Eastern Central Pacific
Thyraplax digitodentata Eastern Central Pacific
Thyraplax truncata Western Pacific
Trapezioplax tridentata Spined broadface crab Western Atlantic Ocean.
Trizocarcinus tacitus Western Atlantic.
Typhlocarcinus nudus Northwest Pacific
Typhlocarcinus villosus Indo-West Pacific 1.33 CW



Other identification tools in SeaLifeBase


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Identification by morphometrics
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