Juergen Freund / Richard Fitzpatrick releases Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Juergen Freund / Fred Gurgel organizing his algae / seaweed specimens, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Jurgen Freund / Jo Browne and Kade Mills use a cylinder cone shaped plankton net to sample gelatinous zooplankton for Coral Reef census, Lizard Island, Queensland, Australia, April 2008. Not released

Juergen Freund / Invertebrate specimens for the Barcode of Life project of French scientist Laetitia Plaisance as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Juergen Freund / Charlotte Watson snorkels down to collect sand which may contain polychaete worms, Coral Reef census, Lizard Island, Queensland, Australia, April 2008. Model released

Juergen Freund / Katharina Fabricius collecting octocorals {Alcyonaria} for Coral Reef census, Great Barrier Reef, Australia 2008

Juergen Freund / Craig Humphrey and Katharina Fabricius collecting Porites coral head for Coral Life census, Great Barrier Reef, Australia 2008

Juergen Freund / Craig Humphrey and Katharina Fabricius conducting reef survey for Coral Life census, Great Barrier Reef, Australia 2008

Juergen Freund / Craig Humphrey conducting reef survey for Coral Life census, Great Barrier Reef, Australia 2008

Juergen Freund / Split level of diver, Katharina Fabricius, and Porites coral heads in shallow reef, Coral Life census, Great Barrier Reef, Australia, 2008

Juergen Freund / Katharina Fabricius conducting coral survey with Acropora coral in front, Great Barrier Reef, Coral Life census, Great Barrier Reef, Australia 2008

Juergen Freund / Richard Fitzpatrick inserting radio transmitter into skin of Grey reef shark {Carcharhinus amblyrhynchos} part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008