Anatoxins are a class of highly potent neurotoxic compounds derived from certain species of freshwater snails, specifically *Ampullariidae*. These toxins are not naturally produced by the snails but are synthesized through bacterial symbionts within the mollusks. Anatoxins, particularly anatoxin-a and its structural analogues, exhibit a wide range of toxic effects on the central nervous system (CNS) due to their ability to inhibit acetylcholinesterase activity. The primary clinical symptoms include rapid onset of paralysis, respiratory distress, and convulsions. Ingestion or inhalation can result in severe poisoning with fatal outcomes if not treated promptly. Due to their extreme toxicity, anatoxins pose significant challenges in both medical emergency response and environmental monitoring. Research into these compounds is crucial for developing treatments and understanding the mechanisms of neurotoxicity. For laboratory use, strict safety protocols must be followed due to the inherent dangers associated with handling such potent toxins.