tangledwing , Blue-ringed octopuses are a group of highly venomous cephalopods known for their vibrant blue rings. The venom of blue-ringed octopuses contains tetrodotoxin, a potent neurotoxin that can be deadly to humans if ingested or injected. Video: @undersea_gameqmi,
Lembeh, Indonesia #biology #nature #science #video #ecology #wildlife