Skip to content
Nature By NameSign inCreate an account

Other animals › Toxopneustids

Collector Urchin

Tripneustes gratilla

4,033 observations in the source records

Learn Collector Urchin freeHow it works
Wildlife study photograph from iNaturalist.
(c) connor-fong, some rights reserved (CC BY-NC)

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.

See all photosAdd a photo

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 Hawaii.January 91, February 77, March 93, April 57, May 45, June 43, July 62, August 45, September 51, October 61, November 64, December 89.
Hawaii1,091
United States771
Australia152
New South Wales133
China53
Philippines47
Indonesia44
Taiwan29
Hong Kong Special Administrative Region27
South Africa26

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
OrderCamarodonta
FamilyToxopneustids · Toxopneustidae
GenusTripneustes

Sources

Remember the name next time.

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

Create a free accountHow it works