Skip to content

Other animals › Diadematidae

Blue-spotted Urchin

Astropyga radiata

762 observations in the source records

Wildlife study photograph from iNaturalist.
(c) drmattnimbs, some rights reserved (CC BY-NC)

24 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

Photos you add are credited to you, and you keep the copyright.

What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Philippines.January 0, February 2, March 4, April 0, May 2, June 6, July 4, August 2, September 4, October 2, November 2, December 0.
Philippines28
United States20
Hawaii20
Central Visayas20
Indonesia16
North Sulawesi10
Kenya8
Kilifi6
Bali3
Tanzania3

Counts show where people looked, not only where it lives.

Traits

Physical

  • RegenerationCan regrow lost body partsFrom its classification

Classification

KingdomAnimals · Animalia
PhylumEchinoderms · Echinodermata
ClassSea Urchins, Sand Dollars, and Heart Urchins · Echinoidea
OrderDiadematoida
FamilyDiadematidae
GenusAstropyga

Sources

Remember the name next time.

Practise Blue-spotted Urchin with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.