
Courting Day Octopus - Octopus cyanea
This was w large Day Octopus - Octopus cyanea, the female is on the left hiding in her 'home' while the male octopus on the right reach out to her with his dedicated tentacle to make a special delivery, to avoid the risk of getting eaten by the female.

''Octopus cyanea'', also known as the big blue octopus, day octopus and Cyane's octopus, is an octopus in the family Octopodidae. It occurs in both the Pacific and Indian Oceans, from Hawaii to the eastern coast of Africa.
''O. cyanea'' grows to 16 cm in mantle length with arms to at least 80 cm.
The type specimen was collected off Australia and is deposited at The Natural History Museum in London.