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Molluscs › River Mussels

Washboard

Megalonaias nervosa

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

27 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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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 Illinois.January 28, February 32, March 48, April 90, May 144, June 59, July 46, August 47, September 55, October 45, November 30, December 27.
United States4,035
Illinois651
Alabama603
Kentucky499
Missouri359
Iowa236
Tennessee208
Indiana198
Texas198
Canada178

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
OrderFreshwater Mussels · Unionida
FamilyRiver Mussels · Unionidae
GenusMegalonaias

Sources

Remember the name next time.

Practise Washboard 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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