California - USA - Red Tides

And this is one more present from nature located in California. It's called Red Tide and it's a common name for a phenomenon known as an algal bloom that we also saw in Paradise River (Columbia).
This algae (phytoplankton) are single-celled protists. Plant-like organ that can form dense, visible patches near the water surface. Certain species of this algae contains photosynthetic pigments that vary in color from green to brown to red (pink) and gives incredible view for humans eye. 

But are this "alive" blooming algae harmful for the human health and underwater life???

Unfortunately yes, even if its so beautiful to watch this amazing natural phenomenon...In some cases, even humans have been harmed by red tides though no human exposure are known to have been fatal. While they can be fatal, the constituent phytoplankton in red tides are not harmful in small numbers....

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