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Fish › Perches, Darters, and allies

Ruffe

Gymnocephalus cernua

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Wildlife study photograph from iNaturalist.
(c) a-vinogradov, 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 Alaska.January 12,553, February 9,271, March 14,526, April 22,853, May 32,950, June 35,930, July 38,448, August 33,065, September 24,275, October 18,120, November 9,901, December 7,739.
United States267,410
Alaska259,631
Canada4,059
Ontario4,059
Wisconsin3,837
Minnesota3,787
Russia440
Michigan155
Kursk Oblast81
Ukraine52

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

Traits

Physical

  • AquaticLives primarily in waterFrom its classification

Classification

KingdomAnimals · Animalia
PhylumChordates · Chordata
ClassRay-finned Fishes · Actinopterygii
OrderPerches, Scorpionfishes, Sticklebacks, and Allies · Perciformes
FamilyPerches, Darters, and allies · Percidae
GenusRuffes · Gymnocephalus

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Sources

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Practise Ruffe 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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