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fish

When nature calls

ScienceBlog.com

COLLEGE STATION, Feb. 9, 2011 — When you’ve got to go, you’ve got to go — upstream, that is, if you are a male swordtail fish seeking a mate, according to research from Texas A&M University.
A recent study led by Texas A&M biologists Dr. Gi…

Categories Blog Entry, Brain & Behavior, Health, Life & Non-humans

Smithsonian scientists discover 7 new species of fish

ScienceBlog.com

Things are not always what they seem when it comes to fish — something scientists at the Smithsonian Institution and the Ocean Science Foundation are finding out. Using modern genetic analysis, combined with traditional examination of morphology,…

Categories Blog Entry, Earth, Energy & Environment, Health, Life & Non-humans, Technology

Wild rainbow trout critical to health of steelhead populations

ScienceBlog.com

CORVALLIS, Ore. — Genetic research is showing that healthy steelhead runs in Pacific Northwest streams can depend heavily on the productivity of their stay-at-home counterparts, rainbow trout.
Steelhead and rainbow trout look different, grow d…

Categories Blog Entry, Earth, Energy & Environment, Health, Life & Non-humans

Fishy consequences of transplanting trout, salmon, whitefishes

Simon Fraser University

Montreal, January 26, 2011 — Not all trout are created equal. Those swimming up the streams of British Columbia might resemble their cousins from Quebec, yet their genetic makeup is regionally affected and has an impact on how they reproduce, …

Categories Blog Entry, Earth, Energy & Environment, Health, Life & Non-humans

Mercury in Bay Area fish a legacy of California mining

ScienceBlog.com

ANN ARBOR, Mich.—Mercury contamination, a worldwide environmental problem, has been called “public enemy No. 1” in California’s San Francisco Bay.
Mercury mining and gold recovery in the mid-1800s to late 1900s, combined with present day oil ref…

Categories Blog Entry, Earth, Energy & Environment, Life & Non-humans, Technology

The universe’s most massive stars can form in near isolation, new study finds

ScienceBlog.com

ANN ARBOR, Mich.—New observations by University of Michigan astronomers add weight to the theory that the most massive stars in the universe could form essentially anywhere, including in near isolation; they don’t need a large stellar cluster…

Categories Blog Entry, Physics & Mathematics, Space
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