| [aquatic animals of medical importance in brazil]. | the injuries caused by venomous and poisonous aquatic animals may provoke important morbidity in the victim. the cnidarians (jellyfishes, especially cubomedusas and portuguese-man-of-war) caused nearly 25% of 236 accidents by marine animals, while sea urchins were responsible for about 50% and catfish, stingrays and scorpionfish nearly 25%). in freshwater, stingrays and catfish cause injuries with a very similar mechanism to the poisoning and the effects of the toxins of marine species. in a ser ... | 2003 | 14576874 |