European flounder
... that in the Baltic Sea, the European flounder often hybridises with the European plaice?
... that in the <a href="./Baltic_Sea" id="mwBNw" rel="mw:WikiLink" title="Baltic Sea">Baltic Sea</a>, the <b id="mwBN0"><a href="./European_flounder" id="mwBN4" rel="mw:WikiLink" title="European flounder">European flounder</a></b> <i id="mwBN8">(pictured)</i> often <a href="./Hybrid_(biology)" id="mwBOA" rel="mw:WikiLink" title="Hybrid (biology)">hybridises</a> with the <a href="./European_plaice" id="mwBOE" rel="mw:WikiLink" title="European plaice">European plaice</a>?