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Molluscs › Pharidae

Minor Jacknife

Ensis megistus

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

23 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 Texas.January 2, February 2, March 2, April 3, May 2, June 1, July 1, August 1, September 1, October 1, November 2, December 2.
United States161
Texas19
South Carolina14
North Carolina12
Alabama10
Georgia5
Louisiana2
New Jersey2
Mississippi1

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
OrderRock-borers, Jacknives, and Razor Clams · Adapedonta
FamilyPharidae
GenusEnsis

Sources

Remember the name next time.

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