Fish Identification

Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Diadematidae (See list of species below)

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

Select Country (optional):

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

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

Astropyga magnifica []	No picture found Astropyga pulvinata []	Astropyga radiata [Blue-spotted sea urchin]
No picture found Centrostephanus coronatus [Crowned sea urchin]	Centrostephanus longispinus [Needle spined urchin]	No picture found Centrostephanus rodgersii []
No picture found Chaetodiadema granulatum []	No picture found Chaetodiadema japonicum []	Diadema antillarum [Long-spined sea urchin]
No picture found Diadema mexicanum []	No picture found Diadema palmeri []	No picture found Diadema paucispinum []
Diadema savignyi [Savigny's long-spine sea urchin]	Diadema setosum [Porcupine sea urchin]	Echinothrix calamaris [Black banded sea urchin]
Echinothrix diadema [Blue-black sea urchin]	No picture found Eremopyga debilis []	No picture found Eremopyga denudata []
No picture found Lissodiadema lorioli []	No picture found Lissodiadema purpureum [Fined spined urchin]

20 Species of Family Diadematidae
()

Sort by: Species Length

Scientific Name	English Name	Distribution	Max. Length (cm)
Astropyga magnifica		Western Central Atlantic.
Astropyga pulvinata		Eastern Pacific and Weste
Astropyga radiata	Blue-spotted sea urchin	Indo-West Pacific.
Centrostephanus coronatus	Crowned sea urchin	Eastern Pacific.	17.5 WD
Centrostephanus longispinus	Needle spined urchin	Atlantic and the Mediterr
Centrostephanus rodgersii		Indo-West Pacific. Tropi
Chaetodiadema granulatum		Indo-West Pacific
Chaetodiadema japonicum		Western Central Pacific
Diadema antillarum	Long-spined sea urchin	Central Atlantic
Diadema mexicanum		Eastern Pacific.	9 WD
Diadema palmeri		Southwest Pacific
Diadema paucispinum		Indo-Pacific.
Diadema savignyi	Savigny's long-spine sea urchin	Indo-Pacific	25 WD
Diadema setosum	Porcupine sea urchin	Indo-Pacific
Echinothrix calamaris	Black banded sea urchin	Indo-Pacific	15 WD
Echinothrix diadema	Blue-black sea urchin	Indo-Pacific	20 WD
Eremopyga debilis		Western Pacific
Eremopyga denudata		Western Central Pacific
Lissodiadema lorioli		Southeast Pacific
Lissodiadema purpureum	Fined spined urchin	Eastern Central 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.