Aerial view of One Tree Island and reef, with Wistari Reef, Heron Island Reef and Sykes Reef visible in background. One Tree Island is a small coral cay located near the Tropic of Capricorn, Sth Great Barrier Reef, Australia. Note Red Tide Algal Bloom. © Gary Bell / OceanwideImages.com
Aerial view of One Tree Island and reef, with Wistari Reef, Heron Island Reef and Sykes Reef visible in background. One Tree Island is a small coral cay located near the Tropic of Capricorn, Sth Great Barrier Reef, Australia. Note Ret Tide Algal Bloom. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting through Great Barrier Reef waters, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting through Great Barrier Reef waters, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to One Tree Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting through Great Barrier Reef waters, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to Heron Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to Heron Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to Heron Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to Heron Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Red Tide drifting close to Heron Island reef, located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia. Red Tide is a common name given to an algal bloom of toxic, naturally occurring microscopic plankton known as Dinoflagelates. © Gary Bell / OceanwideImages.com
Aerial view of Heron Island and reef, with a Red Tide algal bloom fringing the reef. Heron Island is a small coral cay located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia, and part of the Capricorn group of Islands. © Gary Bell / OceanwideImages.com
Aerial view of Heron Island and reef, with a Red Tide algal bloom fringing the reef. Heron Island is a small coral cay located near the Tropic of Capricorn in the southern Great Barrier Reef, Australia, and part of the Capricorn group of Islands. © Gary Bell / OceanwideImages.com
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