Are Southern Puffer Fish Poisonous?
Are Southern Puffer Fish Poisonous? They are a “catch and release.” Note: Like many Puffers, the Southern Puffer is reputed to be highly poisonous, even fatal, if eaten, due to the presence of the potent neurotoxins saxitoxin and/or tetrodotoxin, which is found in their skin, viscera, and gonads and is believed to protect them from