Is red tide natural?

Red Tides is a natural phenomenon that happens in the oceans of the world. It is believed to be caused by the excess of algae in the water but the exact cause or combination of factors that result in a red tide is not necessarily known

Red tides are harmful for aquatic life as the algae blooms release powerful toxins. Red tide continues to wash up hundreds of thousands of dead sea life every day as a result.

For more relevant articles refer to the links given below:

• UPSC Environment and Ecology Questions
• Conservation of Biodiversity
• UPSC Environment and Ecology