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Salmo marmoratus
Marble trout (''Salmo marmoratus'') is a species freshwater fish in the Salmonidae family. It is characterized by distinctive marbled color pattern and high growth capacity. The marble trout is found in only three basins and two rivers of the Adriatic basin, namely the Po with only northern/left tributaries and the Adige, Brenta, Piave, Tagliamento and Livenza basins in Italy, the Soča basin in Slovenia, the Neretva river in Bosnia and Herzegovina and Croatia, and the Morača river in Montenegro. While once present in the Drin river basin in Albania fish is almost certainly extirpated there.〔(【引用サイトリンク】url=http://www.balkan-trout.com/studied_taxa_7_marble_trout.htm )〕
== Marmorated trout ==
Adding to the confusion of salmonid taxonomy, there are other trout with marble patterns beside ''Salmo marmoratus''. One is trout from the river Otra, Norway. A certain percentage of brown trout (''Salmo trutta'') from that river have a marble pattern. In all other aspects, these trout are identical to the non-marble brown trout from the same river. This is an example of intrapopulational polymorphism.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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