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A dazzling neon blue tide in San Diego, California, has got people out
on the beach snapping the waves.
The electric aqua colours are caused by a tide of blooming algae - by
day the plankton turn the water red, but come nightfall they radiate a
blue glow when the algae are disturbed by movement, such as waves
crashing on to the shoreline.
Bioluminescent light shows are not uncommon globally, but the last red
tide in San Diego was in 2013 - and it's no less beautiful each time
they grace the oceans.
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The red tide is bringing a beautiful light night-time display to San
Diego beaches
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"It's pretty incredible to see
bioluminescence in person, but it can be surprisingly easy to miss,"
photographer Jack Fusco says. He captured this observer on a vantage
point
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Distant city lights contrast with the algae riding the waves
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These ghostly waves were shot by Antonella Wilby, a PhD student in San
Diego who regularly posts marine life pictures on her Instagram @aaaaaantonella
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Jack Fusco captured the clarity of the aqua colours on the shoreline.
"After your eyes have adjusted, you can start seeing different hues of
blue and it's really mesmerising to watch," he says
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Antonella Wilby also caught this ghostly glow
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Bioluminescent algae weren't the only visitors creating a buzz in San
Diego. Last night Jack Fusco turned his camera on the throngs of
algae-spotters. "I feel very fortunate that I've been able to capture
and share that with people," he says
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