News tagged with stickleback
Study first to show evolution's impact on ecosystems
Apr 01, 2009 |
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Scientists have come to agree that different environments impact the evolution of new species. Now experiments conducted at the University of British Columbia are showing for the first time that the reverse is also true.
Fitness in a changing world: The genetics and adaptations of the Alaskan stickleback fish
Biology /
Oct 10, 2008 |
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The stickleback fish, Gasterosteus aculeatus, is one of the most thoroughly studied organisms in the wild, and has been a particularly useful model for understanding variation in physiology, behavior, life h ...
Search results for stickleback
No such thing as a 'born leader,' study in fish finds
Biology /
Jan 29, 2009 |
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Followers are just as important to good leadership as are the leaders themselves, reveals a new study of stickleback fish published online on January 29th in Current Biology, a Cell Press publication.
'Pelvis Has Left the Building'
Jun 04, 2009 |
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(PhysOrg.com) -- New research shows that when two species of stickleback fish evolved and lost their pelvises and body armor, the changes were caused by different genes in each species. That surprised researchers, ...
Same genetic machinery generates skin color evolution in fish and humans
Biology /
Dec 13, 2007 |
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When humans began to migrate out of Africa about 100,000 years ago, their skin color gradually changed to adapt to their new environments. And when the last Ice Age ended about 10,000 years ago, marine ancestors of ocean-dwelling ...
Common fish species has 'human' ability to learn
Jun 17, 2009 |
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Although worlds apart, the way fish learn could be closer to humans' way of thinking than previously believed, suggests a new research study.
Cannibalism of the young allows individual fish to specialize
Biology /
May 23, 2007 |
3 / 5 (1) |
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Whitefish, Arctic char, threespine stickleback and some sunfishes display quite discrete groups living in the same lakes but utilizing different food resources in order to survive. The phenomenon is called "resource polymorphism." ...
Follow that prawn
Biology /
Dec 17, 2007 |
4.3 / 5 (3) |
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A new study from the University of Leicester reveals that prawns can be used by fish species to find the best places to eat.
Fluctuating diet increases risk of sudden death
Apr 30, 2008 |
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New research has revealed that binge eating then dieting may significantly reduce lifespan.
Fish choose their leaders by consensus
Biology /
Nov 13, 2008 |
4.3 / 5 (9) |
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Just after Americans have headed to the polls to elect their next president, a new report in the November 13th issue of Current Biology, a Cell Press publication, reveals how one species of fish picks its le ...
Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish
Biology /
May 15, 2008 |
4 / 5 (9) |
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Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers ...
The value of variation: Ecologists consider the causes and consequences
Jul 22, 2009 |
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Consider the case of the three-spine stickleback. These tiny fish that thrive in oceans and in fresh water might appear to be the same, yet ecologists are finding that they are actually a diverse collection of very specialized ...
List of search results for stickleback
