Discover 5 octopus species that make the ocean even more mysterious

Octopuses are fascinating sea creatures. Some species have unique features. The blue-ringed octopus has striking blue rings. The dumbo octopus lives deep in the ocean. The coconut octopus uses shells as shelter. The Caribbean reef octopus changes colours. The bimac octopus has blue spots. These octopuses show the diversity of life under the sea. They are truly extraordinary.