Sharks, Sharks Everywhere!

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We’ve been seeing quite a number of reef sharks in New Caledonia, particularly in the northern atolls. There are grey reef sharks (Carcharhinus amblyrhynchos) on almost every dive, as well as silvertip sharks (Carcharhinus albimarginatus) and whitetip reef sharks (Triaenodon …

Great Groupers

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We are currently visiting a remote coral reef about 150 kilometers off the northern coast of New Caledonia called Cook Reef, where we’ve seen an unusually high abundance of top predatory fish.  The large numbers of predatory fish are likely …

Currents on the Reef

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As the dive team descended on our first dive in the northern atolls of New Caledonia, Pelotas Reef, it was apparent to all that this would be a challenging dive. The reason – current! Sea Whips The presence of strong …

The Cryptic Yellow-Spotted Scorpionfish

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As I plunged into the water for my last dive of the day on the western tip of Cook Reef in New Caledonia I was greeted by the sight of many different types of fishes. Along with my dive buddy …

Marine Habitats as a Component of Biodiversity

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Biodiversity is the diversity of life from genes to ecosystems. Somewhere between these two extremes are habitats. Habitats are, simply speaking, an area where flora and fauna settle, live, feed, reproduce and die. More formally, marine habitats can be defined …

Hitchhiker on the High Seas

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Today is transit day. The Golden Shadow is moving from Prony Bay, at the southern end of the main island (Grande Terre) of New Caledonia to Cook Reef in the north.  It is a day for all the scientists to …

Natures Cement – A Tale of Two Dives

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With wind and swell building from the south and east, we identified two relatively sheltered sites north of Ile des Pins for the morning surveys. Ominous rain clouds were building in the sky to the east, but we were glad …

Unraveling Algal Biodiversity

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A key aspect of the work being done during the GRE involves the characterization of the diversity (number of different species) of different organisms – fish, corals, other invertebrates and algae. While species inventories for algae have been completed here, …

Amazing Algae

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The average person doesn’t get too excited about algae, which most know as seaweed.  It smells when it accumulates on the beach and rots, it can outcompete coral when left unchecked, and it’s generally considered bad for reefs, especially when …