SCUBA News (ISSN 1476-8011)
Issue 272 - March 2023
From the wreck of the Kittiwake on Grand Cayman to the breathtaking Bloody Bay Wall on Little Cayman, these Caribbean islands have much to offer divers.
The definitive list of the best dive sites on the planet. How many of them have you dived?
With fab vis and many offshore islands, the diving in Croatia is very good.
From the solar eclipse in Raja Ampat to the historic Adelaar liveaboard with just 4 cabins. Plus Mexico, Maldives, Bahamas and the Red Sea. All splendid diving destinations.
If you look carefully at this semi-translucent little fish you can see its organs. The ghost goby lives mainly on massive stony corals to around 30 m, in the Indo-Pacific including in the Red Sea.
Our ghost goby, P. micheli has red fluorescent eyes. This is probably to help them forage for their preferred food of miniscule crustaceans, as red fluorescence enhances visual contrast at depths below 10 m.
Also known as the stony coral ghostgoby, the fish lays its eggs on sea squirts. The female lays relatively few eggs but they are then guarded by the male against predators.
The family Gobiidae comprises at least 2000 species. More than half of these are found on coral reefs. Many coral reef gobies are capable of bi-directional sex change, sometimes more than once. Another adaptation which increases the potential number of offspring.
Vertebrata > Osteichthyes > Teleostei > Gobiiformes > Gobiinae > Pleurosicya > Pleurosicya micheli
Meadows et al. Red fluorescence increases with depth in reef fishes, supporting a visual function, not UV protection, Proceedings of the Royal Society, 2014
Gobies on Coral Reefs. Chapter in The Biology of Gobies, R. A. Patzner et al (editors). Science Publishers, Jersey, British Isles, New Hampshire 2011
Sunken warships exceptionally good for coral reefs, Thistlegorm study finds
Algae-farming fish help coral reefs bounce back from bleaching events
Seagrass key to livelihoods and marine habitats
Coral reefs in the tropical Pacific could survive into the 2060s, study finds
Will new bottom trawling rules do enough to protect South Pacific seamounts?
Historic agreement to protect seas reached after decade of talks
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Photo credits: Tim Nicholson, Jill Studholme, Kristin Riser, Jianye Sui
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