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              DISTRIBUTION
         	
			 
            
			Worldwide : wide Indo-Pacific. Red Sea to South Africa, to Japan and northern Australia. Mediterranean :  recorded first in Bardawil lagoon, northern Sinai, Egypt (Ben-Tuvia, 1977) ; successively recorded in Lebanon (Mouneimne, 1977), Iskenderun, Turkey (Mater and Kaya, 1987) and Egypt (El-Sayed, 1994). 
		 
		 
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             ESTABLISHMENT SUCCESS 
                                                                             
             
            
			Relatively rare in the Mediterranean. 
		
	       
		
		speculated reasons for success :
		 
		- 
		 
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