11/24/2024
The blue-ringed octopus is known for its venomous bite that can paralyze and kill within minutes by blocking nerve signals and causing respiratory failure.
Both males and females carry a potent neurotoxin called tetrodotoxin, with enough to be lethal to multiple humans. These octopuses use their venom primarily to immobilize prey like fish and crustaceans, but they will bite defensively if handled, posing a serious risk.
While their rings are often vivid blue, the color can sometimes shift slightly to purple or appear dimmer due to changes in lighting, background, or the octopus’s level of alertness.
Several species, including the greater blue-ringed octopus, southern blue-ringed octopus, and blue-lined octopus, are found across the Indo-Pacific, making them some of the world’s most dangerous animals.
These octopuses are tiny, typically measuring just 12 to 20 centimeters (5 to 8 inches) with arms fully extended.
📸🎥 Credits:
1. Rickard Zerpe/Wikimedia Commons
2. Ethan Daniels/Dreamstime and Subaqueosshutterbug/iStock
3. Michael Workman/iStock and Sascha Janson/ Shutterstock
4. Sascha Janson/ Shutterstock
5. undersea_gameqmi
,