Box jellyfish, particularly the ocean wasp, are highly venomous and have caused numerous deaths due to their potent stings.
Steve Irwin tragically died in 2006 after being fatally pierced in the chest by a venomous stingray's tail.
The Flower Urchin, despite its beautiful appearance, possesses potent and deadly toxins that can cause paralysis and death.
Electric eels possess a powerful 600-volt electric shock, capable of causing cardiovascular failure, and have a predatory diet.
The textile cone snail, with its alluring appearance, possesses a potent neurotoxin that can be deadly to humans.
The Great Barracuda, known for its speed and sharp teeth, can be dangerous to humans, causing serious bites and injuries.
The blue-ringed octopus, despite its small size, carries enough venom to cause paralysis and death in minutes.
Lionfish, with their venomous spines, cause excruciating stings and are found in various marine environments worldwide.