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Red tides are primarily caused by harmful algal blooms, particularly from dinoflagellates, with species such as Karenia brevis and Alexandrium fundyense being notable culprits. These organisms can proliferate rapidly under favorable conditions, leading to the discoloration of coastal waters. Other phytoplankton species can also contribute to red tides, but dinoflagellates are the most commonly associated with this phenomenon. The blooms can produce toxins that affect marine life and human health.

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What organisms cause red tides when in large numbers?

Dinoflagellate blooms


What organism causes red tides when found large numbers?

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Which organism causes red tides when found in large numbers?

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Are tides caused to a large degree by the moon's gravity?

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