13 máj 2010
This fish likes cold rivers and lakes full of oxigen. It is native in Europe and America and has lots of relatives all over the earth.
In Hungary we can find some populations introduced by human hand,...
12 máj 2010
This fish can be found from Great Britain to Russia in large numbers, as well as in the warmer waters of Ireland. It can survive in smaller and larger lakes, rivers and swamps, and is often found...