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Molluscs › Short Razor Clams

California Jackknife Clam

Tagelus californianus

Wildlife study photograph from iNaturalist.
(c) calebv15, 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.

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 California.January 74, February 64, March 67, April 83, May 80, June 59, July 51, August 52, September 65, October 67, November 86, December 66.
United States818
California811
Mexico10
Arizona7
Baja California7
Baja California Sur2
Sinaloa1

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
OrderCockles, Tellins, and Allies · Cardiida
FamilyShort Razor Clams · Solecurtidae
GenusTagelus

Sources

Remember the name next time.

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