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Molluscs › Acanthodorididae

Hudson's Horned Dorid

Acanthodoris hudsoni

1,125 observations in the source records

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Wildlife study photograph from iNaturalist.
(c) rebeccafay, 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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What the records say

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 British Columbia.January 20, February 19, March 29, April 34, May 53, June 46, July 36, August 32, September 28, October 23, November 18, December 18.
United States387
Canada355
British Columbia355
Washington207
California165
Oregon15

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

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassGastropods · Gastropoda
OrderNudibranchs · Nudibranchia
FamilyAcanthodorididae
GenusAcanthodoris

Sources

Remember the name next time.

Practise Hudson's Horned Dorid 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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