Biogeographical Problems of the Red Sea Area Exemplified by Hydroids
There is at present very little information available concerning Red Sea faunistic regions; this makes it impossible to draw any certain conclusions about hydroid distribution. On the other hand, it becomes increasingly interesting to consider the origin of the species found in the Red Sea. A fair number of species recorded from there are widely distributed throughout the Atlantic, Pacific and Indian Ocean and the Mediterranean. They are restricted to tropical and subtropical waters or are cosmopolitans and could be divided into 3 groups: Indo-Pacific-Atlanto-Mediterranean (IPAM) species, Indo-Pacific (IP) species, and Atlanto-Mediterranean (AM) species.
KeywordsIndian Ocean Coral Reef Migratory Route Suez Canal Subtropical Water
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