La méduse, classée par des mollusques, connue sous le nom de « Al -Harika », s’est propagée en tant qu’animal marin large, cette période dans l’eau du canal de Bizerte.
This is due to the high temperature of the sea water in addition to the factors of climate changes, and random hunting contributes to the exacerbation of this phenomenon, as it contributes to disrupting the natural reproductive cycle of some marine creatures such as large fish and turtles, which allows the way for items capable of adapting to rapid reproduction as is the case with the jellyfish that feed from small fish and larvae, according to what an expert in the Marine Field a signalé ou Bizerte Reda Hilal.