Juergen Freund / Black banded damselfish (Amblypomacentrus breviceps) and Yellow clown goby (Gobiodon okinawae) hiding in a discarded bottle, Sulawesi, Indonesia. November.

Juergen Freund / Black Banded Damselfish (Amblypomacentrus breviceps) using a discarded pot as its home, Sulawesi, Indonesia. November.

Alex Mustard / Black-banded demoiselle (Amblypomacentrus breviceps) male, guarding its eggs laid inside a discarded tin can, Bitung, North Sulawesi, Lembeh Strait, Molucca Sea.

Sirachai Arunrugstichai / Black-banded demoiselle (Amblypomacentrus breviceps) peeking out from a algae-covered glass bottle on the sea floor, Lembeh Strait, North Sulawesi, Indonesia.