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News Release 08-088

Scientists Discover Stinging Truths About Jellyfish Blooms in the Bering Sea

Sizes and locations of massive jellyfish blooms controlled by interactions between many factors, not just by sea temperatures

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Map showing changes in size and range of jellyfish populations of the Bering Sea.

Jellyfish populations peaked in 2000. They have since moderated at levels that still exceed those of the 1980s. In addition, jellyfish ranges have expanded.

Credit: Zina Deretsky, National Science Foundation, after Brodeur et al in "Progress in Oceanography"


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Photo of a sea nettle.

A sea nettle, the Bering Sea's most common jellyfish. Its tentacles may reach six meters (nearly 20 feet).

Credit: Kevin Raskoff


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