Fresh shellfish in markets still alive enough to spawn
The global live seafood trade is barely regulated even though it could be a significant conservation threat. New research shows that "fresh" shellfish sold in markets are still alive enough to feed – and so presumably to spawn. This suggests that the seafood trade could spread invasive non-native marine species around the world.
It wouldnt take much. "Introduced species can spread throughout entire ecosystems and across biogeographical regions from a few individuals released at single sites," say John Chapman and Todd Miller of Oregon State Universitys Hatfield Marine Science Center in Newport, and Eugene Coan of the California Academy of Sciences in San Francisco in the October issue of Conservation Biology.
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