Bloated fish is believed to be the second most poisonous vertebrate in the world after the gold poison frog. The internal organs such as the liver, spleen, eggs, bile and sometimes buntal skin contain tetrodotoxin which is very dangerous if eaten.
Actually the poisons that buntal fish have is a defense mechanism against predators. In addition to inflating the body, these fish also produce a very deadly toxin predators. Unfortunately, humans have no immunity to this poison, which makes it very deadly.
People contaminated with bloated poisons will vomit, diarrhea, and experienced respiratory muscle dysfunction.
"It affects the impaired breathing organs, which means that there is respiratory failure and heart failure because, in addition to attacking the respiratory muscles, the heart muscle is also attacked," Indrayudi said. We in Aceh do not eat it.
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1 https://steemit.com/photography/@curiesea/photography-puffer-fish
https://steemit.com/animal/@curiesea/avoid-the-puffer-fish-if-you-do-not-know-how-to-process-it