Dimorphism in the Portuguese man-of-war
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Dimorphism (i.e., the existence of two different forms: left-handed and right-handed individuals) in the Portuguese man-of-war and its relationship with drift is one of the many unknown themes of this colonial organism. Research carried out by AZTI has shown that the origin of the Portuguese man-of-war is in the North Atlantic Subtropical Gyre (work referenced in NATURE as advisable reading: https://www.nature.com/articles/178253a0). Recent results to be published indicate that a greater or lesser occurrence of left-handed than right-handed individuals depends on the specific winds of each year.