09/02/2026
Poisonous or venomous? The difference comes down to delivery. Venoms are injected through bites, spines, or barbs, while poisons cause harm when they are eaten, inhaled, absorbed, or touched. Our latest Fish Report explores how these toxins show up across fish and aquatic wildlife, from lionfish and catfish to pufferfish and blue-ringed octopi.
Read more here: fishbio.com/poisonous-vs-venomous