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5 Most Poisonous Marine Fish That Pose Serious Threats to Humans

Feb 1, 2024, 12:17 AM IST

5 Most Poisonous Marine Fish That Pose Serious Threats to Humans

Sneha Swaminathan

Pufferfish (Fugu)

Pufferfish are infamous for containing tetrodotoxin, an extremely potent neurotoxin. Ingesting even a small amount of tetrodotoxin can be fatal.

Stonefish

Recognised as the world’s most venomous fish, the stonefish conceals itself on the ocean floor. Its dorsal spines deliver potent venom, causing intense pain and, death in extreme cases.

The vibrant lionfish carries venomous spines along its dorsal, pelvic, and anal fins. While not usually lethal to humans, the venom can lead to severe pain and discomfort.

Lionfish

Box Jellyfish

Found in the waters of the Indo-Pacific region, box jellyfish possess tentacles laden with powerful toxins. Their sting can cause cardiac arrest and is potentially fatal without prompt medical intervention.

Blue-Ringed Octopus

Despite its small size, the blue-ringed octopus harbours potent venom that can lead to respiratory failure. Found in the Pacific and Indian Oceans, it is considered one of the most venomous creatures on Earth.

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