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Spreading Non-Native Species through the Live-Bait Trade?

  • Author(s): Pernet, Bruno
  • et al.
Abstract

Several species of marine worms and crustaceans are routinely imported into California for use as live bait. The most common of these is the ghost shrimp (a translucent crayfish-like burrowing crustacean found in coastal mud flats along the West Coast). The goal of this project was to evaluate some of the potential risks associated with the live-bait trade, in terms of its potential to spread non-native bait spe- cies, their associated parasites, and “hitchhiker” species, which may be present in bait packing materials such as seaweed. A genetics study was also conducted to determine whether importing ghost shrimp from Washington and Oregon to California might “genetically pollute” southern populations.

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