Cnidaria larvae get trapped, release toxin
Nematocysts of the larval forms of sea anemones: Edwardsiella lineata
Thimble jellyfish: Linuche unguiculata
Not be confused with cercarial dermatitis, which is caused by freshwater schistosomes or coastal water clam diggers
Seabather's eruption
Toxins
Cat-scratch disease
Ciguatera
Shark bite
Scombroid
Tar burn
Tetrodotoxin 