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Other animals › Diadematidae

Banded Sea Urchin

Echinothrix calamaris

3,295 observations in the source records

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Wildlife study photograph from iNaturalist.
(c) howhontanozaz, some rights reserved (CC BY)

25 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.

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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 Hawaii.January 46, February 39, March 47, April 29, May 23, June 22, July 32, August 23, September 26, October 31, November 32, December 45.
Hawaii674
United States394
Indonesia88
Philippines41
Bali36
Australia28
Thailand28
Kenya27
Kwale26
Central Visayas24

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
GenusEchinothrix

Sources

Remember the name next time.

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

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