Bigbelly seahorse resident of an artificial reef, Port Phillip Bay, Australia.

Port Phillip Bay, Australia

Tasmanian blenny on an artificial reef, Port Phillip Bay, Australia.

Widebody pipefish at Royal Beach, Port Phillip Bay, Australia

Bottlenose dolphins, Port Phillip Bay, Australia.

Great Barrier Reef

Weedy seadragon, Flinders pier, Western Port Bay, Australia.

Wandering anemone, Flinders pier, Western Port Bay, Australia

Eleven-armed seastar (Coscinasterias muricata) eating the invasive Northern Pacific seastar (Asterias amurensis), Port Phillip Bay, Australia.

Point Linley reef, Port Phillip Bay, Australia.

Weedy seadragon, Flinders pier, Western Port Bay, Australia.

Sea sweeps (Scorpis aequipinnis) Point Linley reef, Port Phillip Bay, Australia.

Herding hulafish (Trachinops caudimaculatus) into a collection net at Schnapper Point, Port Phillip Bay, Australia.

Pale octopus trying to sneak away from divers on an artificial reef, Port Phillip Bay, Australia.

Anemone fish, Great Barrier Reef, Australia.

Anemone close-up, Great Barrier Reef, Australia.

Great Barrier Reef, Australia.

Juvenile velvet leatherjacket on an artificial reef, Port Phillip Bay, Australia.

Blairgowrie pier, Port Phillip Bay, Australia.

Giant spider crab, Blairgowrie pier, Port Phillip Bay, Australia.

Haekel's Jellyfish, Blairgowrie pier, Port Phillip Bay, Australia.