Geohistory and the Triangle of Diversity

Gone diving. Out of touch. Not posting too much new stuff. In the meantime, here’s a re-post that’s terrific:  CONSIDER THE TRIANGLE OF DIVERSITY. It wasn’t that long ago (in geohistory terms) that tropical marine life was distributed much more uniformly worldwide than is the case today. The Earth’s landmasses were configured differently and a strong current circled the planet along the Equator, widely dispersing tropical life. So why, today, do many of us have to

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Sea Pearl Algae – A Species Spotlight

IF IT LOOKS LIKE A RUBBER BALL AND IT FEELS LIKE A RUBBER BALL, IT MUST BE…ALGAE, a version commonly called a sea pearl (Ventricaria ventricosa). Sea pearl algae is an occasional reef denizen found worldwide that stands out because it so often looks like a delicate glass ball. Typically about the size of a golf ball, sea pearls are remarkable for their structure. Each one is a single cell, all by itself. Its round,

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Reef Lizardfish, Ambush Experts

LIKE ALL LIZARDFISH, REEF LIZARDFISH ARE AMBUSH EXPERTS. With their typical lizard-ish posture of sitting up on their pectoral fins, their M.O. is to lie on the bottom and grab passing prey in the form of small (sometimes surprisingly large) fishes with lightning-fast strikes. Reef lizardfish (Synodus veriegatus) are Indo-Pacific denizens, one of some 45 species found worldwide in Family Synodontidae. LYING IN WAIT With colors and markings that help camouflage them, lizardfish are found on

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The Plankton: The Soup of Life

NOBODY GOES UNDERWATER TO LOOK AT THE PLANKTON.  Well, actually, corals, gorgonians, sea anemones, baleen whales, whale sharks, sponges, brittlestars, a lot of kinds of fish and many other denizens of the deep do. But divers fixated on large, celebrity species like sharks and mantas may find omni-present microscopic organisms they can’t particularly see less than engrossing. They’re missing an enormous point. To the aforementioned denizens, the plankton are the staff of life, the dinner

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World Oceans Day! Things You Can Do.

EACH YEAR, JUNE 8TH IS RECOGNIZED AS WORLD OCEANS DAY, with the goal of focusing attention on the state of our oceans and its needs. SO FIRST!  Reflect on the beauty, serenity and meaning we find when we visit the reef. Not to mention the oceans’ role in feeding the world, helping control the climate and giving us great beaches. SECOND: DON’T MESS IT UP! Drawn from a post at the beginning of the year

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