Building on previous work that had detected high levels of copper and zinc in two species of worms, he led a team of researchers in a detailed investigation of the 15-inch-long bloodworm Glycera dibranchiata, which is commonly used as bait by fishermen.
2.
They are typically found on the bottom of shallow marine waters, and some species ( e . g . the common blood worm, " Glycera dibranchiata " ), are extensively harvested along the Northeastern coast of the United States for use as bait in fishing.
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