The tropical fish are colonizing the Western Mediterranean, his population has been trebled in the last decades. It is a question of tropical and subtropical species proceeding from the Atlantic Ocean that have entered the Strait of Gibraltar.
These fish remain in the Mediterranean because favorable conditions are finding for his development, topcoat the increase of the temperature during the second half of the XXth century because of the global warming.
Not all these tropical species behave equally, since someone settle definitely while others only do periodic incursions. Apparently these fish have not provoked problems the indigenous species in the western Mediterranean, on the other hand in the oriental one yes that changes have been detected in the marine fauna.
Route MonVerd
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