Unlike most animals, sea lampreys, an invasive, parasitic species of fish damaging the Great Lakes, could become male or female depending on how quickly they grow, according to a U.S. Geological Survey study published today.
Plants & Animals
Mar 29, 2017
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Of all the fishy predators in the Great Lakes, few are more destructive than the sea lamprey. There's something of a horror movie in their approach: jawless, they attach to prey such as salmon, whitefish or trout with a sucker ...
Ecology
Feb 21, 2017
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(Phys.org)—A team of researchers with members from several institutions in Japan has developed a new way to edit genes that involves cutting just one strand of DNA rather than both of them, as is normal for CRISPR-Cas9. ...
If you never understood what "ontogeny recapitulates phylogeny" meant in high school, don't worry: biologists no longer think that an animal's "ontogeny", that is, its embryonic development, replays its entire evolutionary ...
Biotechnology
Sep 14, 2014
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Sea lampreys impact rivers for months, perhaps years, due to their disturbance of streambeds when they spawn, say University of Maine researchers.
Ecology
Jun 4, 2014
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Bile salts scream seduction – for sea lampreys, that is. New research at Michigan State University shows that bile salts, secreted from the liver and traditionally associated with digestive functions, are being used as ...
Plants & Animals
Oct 7, 2013
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Already ravaged by toxic algae, invasive mussels and industrial pollution, North America's Great Lakes now confront another potential threat that few had even imagined until recently: untold millions of plastic litter bits, ...
Environment
Jul 30, 2013
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(Phys.org) —Male sea lampreys may not be the best-looking creatures swimming in our lakes and streams, but they apparently have something going for them that the ladies may find irresistible.
Plants & Animals
Jun 27, 2013
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Research on a unique vertebrate called the sea lamprey shows that more than a thousand genes are shed during its early development. These genes are paradoxically lost all throughout the developing embryo except in a specialized ...
Biotechnology
Aug 21, 2012
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After Brian Griffin pulls his boat out of West Loon Lake, a couple of weeds dangle from his trailer and propeller.
Ecology
Jul 9, 2012
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