Firt of all thank you for your purchase and sorry for my delayed response.
Both photos were taken at Turkey/Agean sea while snorkelling. I was hoping to shoot "red star" with the surface background also sky. "Octopus" was taken with help of luck. Octopus was disturbed from me and tried to scare me. I took some good shots while she was changing her shape and colour.
If you want to ask anything else please dont hestitate.