Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) hiding in glass jar, Lembeh Strait, Indonesia

Alex Mustard / Veined octopus (Amphioctopus marginatus) in den in a discarded glass jar. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Tony Wu / Small octopus (Octopus sp) peering out of a discarded glass bottle in the muck of Lembeh Strait in North Sulawesi, Indonesia

Solvin Zankl / Juvenile deep water pelagic octopus (Vitreledonella richardi) semi-translucent species, from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Glass octopus (Vitreledonella richardi). deep sea species from Atlantic Ocean off Cape Verde. Captive.

Juergen Freund / Coconut / veined octopus (Amphioctopus marginatus) using a discarded glass tumbler as its home, Batangas, Philippines.

Juergen Freund / Coconut / veined octopus (Amphioctopus marginatus) using a discarded glass tumbler as its home, Batangas, Philippines.

Juergen Freund / Coconut / veined octopus (Amphioctopus marginatus) using a discarded glass tumbler as its home, Batangas, Philippines

GEORGETTE DOUWMA / Veined octopus (Octopus marginatus) hiding in discarded glass bottle, Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Veined octopus (Octopus marginatus) takes discarded glass bottle along with it, Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Veined octopus (Octopus marginatus) hiding in discarded glass bottle which it then takes along with it, Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Veined octopus (Octopus marginatus) hiding in discarded glass bottle, Lembeh Strait, North Sulawesi, Indonesia