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No one really knows why phytoplankton light up.
For zooplankton and larger animals there are more theories about communication, mating and luring prey. But there are limited theories surrounding the glowing phytoplankton that appear in the Salish Sea. However, the glow certainly helps diving ducks hunt at night!
This phenomenon can be seen in Parksville Qualicum Beach a few times a year during summer. The light is activated by agitation of the water. Signing up for a snorkeling tour or walking through the waves is a fantastic way to enjoy the blue glow.
“ Even the waves light up. ”
This is a guest article by Patrick Walshe, Biologist. For more Parksville Qualicum Beach experiences like this, check out our Outdoors Activities page.
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Parksville Qualicum Beach