Fish tail photographed by Heiti Paves, Estonia
Differential interference contrast image of a Ruffe (
Acerina acerina)

Image of the month
Heiti Paves 1997

This is a beautiful differential interference contrast image of the tail of a Ruffe (Acerina acerina). The articulated rays supporting the fin are clearly seen in a striking yellow.

Ruffe (genus Acerina now Gymnocephalus?) are part of the family Percidae. Members of this family include the perch and are mainly freshwater temperate species. A drawing of a typical Ruffe (Acerina cernua) from a textbook is shown below.

Image submitted by Heiti Paves
Laboratory of Molecular Genetics
Institute of Chemical Physics and Biophysics
Akadeemia tee 23, EE0026 Tallinn, Estonia

Editor's note: We thank Heiti for submitting this beautiful image. Notes and drawing supplied by Dave Walker.


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