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Molluscs › Horsemussels and Allies

Straight Horse Mussel

Modiolus rectus

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

28 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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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 California.January 28, February 24, March 25, April 31, May 30, June 22, July 19, August 19, September 24, October 25, November 32, December 25.
United States352
California301
Canada53
British Columbia53
Washington42
Oregon6
Mexico5
Baja California5
Nevada3

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
OrderMytilida
FamilyHorsemussels and Allies · Modiolidae
GenusModiolus

Sources

Remember the name next time.

Practise Straight Horse Mussel 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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