Skip to main content

Cnidarians of medical importace

See also "Biomedical database: Cnidarians" for the distribution of other representatives.

Atlantic
Ocean
Indian
Ocean
Pacific
Ocean
Caribbean 
Sea
Red 
Sea
Mediterranean
Sea
North
Sea

Baltic
Sea

Black
Sea

Portuguese man-of-war

     X       X      X         X      ?           X     (X)    

Box jellyfish

     X1      X      X      X1          

Irukandji

       (X?)       X2            

Various other jellyfish

      X       X        X         X     X          X     X   (X)   (X)

1 Chiropsalmus quadrumanus in coastal areas of the western Atlantic, from North Carolina in the USA to the Caribbean and as far as Venezuela and Brazil in the south.
2 Western, Northern and Eastern Australian coastal waters. Probably a wide distribution in other areas of the tropical and suptropical Pacific. Cases of envenoming involving an "Irukandji-like" syndrome (caused by other carybdeid jellyfish species) also known from New Guinea, Hawaii, the Chinese coast, northern Japan and Vladivostok.