With blue blood and three hearts, the octopus has one of the most unusual circulatory systems in the animal kingdom.
Deep Blue Discovery on MSN
Unique footage shows how an octopus breaths
Unique footage captures the moment an octopus ejects sand from its body. Self-employed Eric Desmet captured the unique moment ...
Cephalopods—the class of animals that comprises octopuses and squids—are ubiquitous throughout the ocean, including in the ...
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