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Molluscs › Thorny Oysters

European Thorny Oyster

Spondylus gaederopus

Wildlife study photograph from iNaturalist.
(c) kuqi_baba, 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.

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 Spain.January 15, February 30, March 28, April 21, May 29, June 18, July 10, August 15, September 13, October 10, November 13, December 18.
Spain220
Andalucía106
Greece71
Italy64
Comunitat Valenciana43
Illes Balears36
Cataluña/Catalunya33
Isole28
Macedonia-Thrace20
France20

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

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Group and habits

  • Filter feederFeeds by filtering suspended food particles from water.From its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassBivalves · Bivalvia
OrderScallops and Allies · Pectinida
FamilyThorny Oysters · Spondylidae
GenusThorny Oysters · Spondylus

Sources

Remember the name next time.

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