Fish Identification

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Non-fish Identification: Find Species

Family: Cidaridae (See list of species below)

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

34 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)

No picture found Acanthocidaris maculicollis []	No picture found Austrocidaris canaliculata []	No picture found Centrocidaris doederleini []
No picture found Chondrocidaris brevispina []	No picture found Chondrocidaris gigantea []	No picture found Cidaris abyssicola []
Cidaris cidaris [Pencil urchin]	No picture found Cidaris rugosa []	Eucidaris metularia [Ten-lined urchin]
No picture found Eucidaris thouarsii []	No picture found Eucidaris tribuloides [Slate pencil urchin]	No picture found Genocidaris maculata []
No picture found Goniocidaris parasol [Parasol urchin]	No picture found Goniocidaris tenuispina []	No picture found Hesperocidaris asteriscus []
No picture found Hesperocidaris dubia []	No picture found Hesperocidaris panamensis []	No picture found Lissocidaris xanthe []
No picture found Ogmocidaris benhami []	No picture found Phyllacanthus dubius []	Phyllacanthus imperialis [Lance urchin]
No picture found Phyllacanthus parvispinus []	No picture found Prionocidaris australis []	Prionocidaris baculosa []
No picture found Prionocidaris bispinosa [Pencil sea urchin]	No picture found Prionocidaris callista []	No picture found Prionocidaris thomasi [Thomas' sea urchin]
Prionocidaris verticillata []	No picture found Stereocidaris grandis []	No picture found Stereocidaris indica []
No picture found Stylocidaris affinis []	No picture found Stylocidaris annulosa []	No picture found Stylocidaris lineata []
No picture found Stylocidaris reini []

34 Species of Family Cidaridae
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Sort by: Species Length

Scientific Name	English Name	Distribution	Max. Length (cm)
Acanthocidaris maculicollis		Eastern Indian Ocean
Austrocidaris canaliculata		Antarctic Indian Ocean an
Centrocidaris doederleini		Eastern Pacific
Chondrocidaris brevispina		Western Central Pacific
Chondrocidaris gigantea		Western Central Pacific
Cidaris abyssicola		Western Atlantic
Cidaris cidaris	Pencil urchin	Atlantic and the Mediterr
Cidaris rugosa		Western Atlantic
Eucidaris metularia	Ten-lined urchin	Indo-West Pacific.	3 WD
Eucidaris thouarsii		Eastern Pacific.	15 WD
Eucidaris tribuloides	Slate pencil urchin	Atlantic and the Mediterr	13 WD
Genocidaris maculata		Atlantic and the Mediterr
Goniocidaris parasol	Parasol urchin	Southwest Pacific
Goniocidaris tenuispina		Western Central Pacific
Hesperocidaris asteriscus		Eastern Pacific
Hesperocidaris dubia		Eastern Pacific.
Hesperocidaris panamensis		Eastern Pacific
Lissocidaris xanthe		Western Central Philippin
Ogmocidaris benhami		Southwest Pacific
Phyllacanthus dubius		Indo-Pacific.
Phyllacanthus imperialis	Lance urchin	Indo-West Pacific	7 WD
Phyllacanthus parvispinus		Southwest Pacific
Prionocidaris australis		Western Central Pacific
Prionocidaris baculosa		Indo-West Pacific.
Prionocidaris bispinosa	Pencil sea urchin	Indo-West Pacific
Prionocidaris callista		Western Pacific.
Prionocidaris thomasi	Thomas' sea urchin	Eastern Central Pacific
Prionocidaris verticillata		Western Central Pacific
Stereocidaris grandis		Western Central Pacific
Stereocidaris indica		Western Central Pacific
Stylocidaris affinis		Atlantic and the Mediterr
Stylocidaris annulosa		Western Pacific
Stylocidaris lineata		Western Atlantic
Stylocidaris reini		Western Pacific

Other identification tools in SeaLifeBase

Quick Identification

Identification keys

Identification by morphometrics

Identification by pictures:

          If you already know the Family, go to Search SeaLifeBase, select Family and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the family.

          If you already know the Country, go to Search SeaLifeBase, select Country and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the country.

          If you already know the Ecosystem, go to Search SeaLifeBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the ecosystem.