26 Nov '11, 5pm

Invasive? Bloody Red Shrimp Are Supper for Great Lakes Fish

Invasive? Bloody Red Shrimp Are Supper for Great Lakes Fish

Time to rethink invasive species , at least when it comes to bloody red shrimp in the Great Lakes. In most cases, invasive species are a bad thing. They compete with native species and can really screw up an ecosystem. See zebra and quagga mussels . Bloody red shrimp can't be called friendly just yet, but research suggests they may become a new food source for native swimmers. The findings come from researchers at Queen's University in Ontario, Canada . A study led by biology grad student Mike Yuille suggests --- for the first time --- that fish like the round goby, yellow perch and alewife have added bloody red shrimp to their diets. The work is due to be published in the Journal of Great Lakes Research . A news release seems to refer to the goby, perch and alewife as "native species." That's true for perch and possibly true for alewives . Not so true for gobies , which a...

Full article: http://www.treehugger.com/natural-sciences/invasive-blood...

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