A polyp of a hard coral

If a hard coral does not suffer bleaching,
it lives in symbiotic association with microalgal endosymbionts.

Sometimes the microalgae fascinate us by its stunning colors.

This vivid fluorescent yellow green color is a REAL color,without any emphasizing processes.

It's unbelievable!

Maeda,Okinawa,Japan .1997

vol.43 II vol.41
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