Alex Mustard / Backlit photo of a Robust ghost pipefish (Solenostomus cyanopterus) reveals a small fish that it has just eaten in its stomach. Lembeh Strait, North Sulawesi, Indonesia. Molluca Sea.

Alex Mustard / Wonderpus octopus (Wunderpus photogenicus) moves over the seabed. Lembeh Strait, North Sulawesi, Indonesia. Molluca Sea.

Alex Mustard / Wonderpus octopus (Wunderpus photogenicus) explores the seabed in search of prey. Lembeh Strait, North Sulawesi, Indonesia. Molluca Sea

Alex Mustard / A wonderpus octopus (Wunderpus photogenicus) explores the seabed in search of prey. Lembeh Strait, North Sulawesi, Indonesia. Molluca Sea

Alex Mustard / Poison ocellate octopus (Amphioctopus siamensis) moves across the sand. When disturbed, this species advertises its poisonous nature by flashing Blue ring on the dark patch beneath the eye. Lembeh Str...

Alex Mustard / Pair of Pontoh's pygmy seahorses (Hippocampus pontohi) courting. This pair were dancing around each other with synchronised movements. This species was first described in 2008. Lembeh Strait, North Su...

Alex Mustard / Portrait of a Flamboyant cuttlefish (Metasepia pfefferi) as it prowls across the sand. This species generally prefers to walk, than swim. Lembeh Strait, North Sulawesi, Indonesia. Molucca Sea.

Tim Laman / Mountain blue (Papilio ulysses) butterfly mud-puddlingBird's Head / Vogelkop Penniinsula, West Papua