Photo of Gymnocephalus schraetser  
Size:

 

Locality:

Lake Chiemsee, Bavaria, Germany.

Sex:

  

Reference:

Collected from the web (modified): http://fotoalbum.naturerlebnis-chiemsee.de.

Remark:

Original photo by Andreas Hartl.

Attribution:

  

 
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contact: stefano.porcellotti@ittiofauna.org