News tagged with marine sticklebacks


'Armored' fish study helps strengthen Darwin's natural selection theory

Biology /

created Aug 28, 2008 | popularity 3.9 / 5 (11) | comments 8

Shedding some genetically induced excess baggage may have helped a tiny fish thrive in freshwater and outsize its marine ancestors, according to a UBC study published today in Science Express.





Search results for marine sticklebacks


Researchers find first-ever 'wanderlust gene' in tiny bony fish

Researchers find first-ever 'wanderlust gene' in tiny bony fish

Biology / Plants & Animals

created Aug 05, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...


Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish

Biology /

created May 15, 2008 | popularity 4 / 5 (9) | comments 0

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 ...


Same genetic machinery generates skin color evolution in fish and humans

Biology /

created Dec 13, 2007 | popularity 4.3 / 5 (4) | comments 0

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 ...


Should females trust showy males?

Should females trust showy males?

Biology / Evolution

created Aug 21, 2009 | popularity 3.6 / 5 (5) | comments 4

(PhysOrg.com) -- How honest are males when using sexual displays to signal their eligibility to females?


Expedition observes hundreds of marine creatures in oil slick

Expedition observes hundreds of marine creatures in oil slick

Biology / Ecology

created Oct 23, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- The area affected by the Montara oil spill off the Kimberley coast contains a huge amount of marine life, including some of the most iconic and threatened species in the ocean, according to ...


Impact of renewable energy on our oceans must be investigated, say scientists

Impact of renewable energy on our oceans must be investigated, say scientists

Space & Earth / Environment

created Sep 17, 2009 | popularity 3.7 / 5 (3) | comments 2

Scientists from the Universities of Exeter and Plymouth are today calling for urgent research to understand the impact of renewable energy developments on marine life. The study, now published in the Journal of ...


Finding the ASX200 for marine ecosystems

Finding the ASX200 for marine ecosystems

Space & Earth / Environment

created Oct 20, 2009 | popularity not rated yet | comments 1

(PhysOrg.com) -- Researchers are building the environmental equivalent of the ASX200 as a means of monitoring the health of Australian marine ecosystems.


Prehistoric tools discovered at Isles of Shoals

Prehistoric tools discovered at Isles of Shoals

Other Sciences / Archaeology & Fossils

created Aug 27, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Summer students in Cornell's new Archaeology Field School at Shoals Marine Laboratory, Cornell's marine field station, have discovered the first prehistoric archaeological site in the Isles ...


Isopod Replaces Fish's Tongue

Isopod Replaces Fish's Tongue

Biology / Plants & Animals

created Sep 14, 2009 | popularity 4.4 / 5 (13) | comments 3

(PhysOrg.com) -- An isopod that replaces a fish's tongue has been discovered for the first time in the Channel Islands in Europe. The marine isopod, described by its finder as hideous and vicious, is a rare ...


The reef is one of Australia's top tourist attractions

Great Barrier Reef under serious threat: report

Space & Earth / Environment

created Sep 02, 2009 | popularity 3.2 / 5 (9) | comments 1

Australia's Great Barrier Reef is in serious jeopardy as global warming and chemical runoff threaten to kill marine species and cause serious outbreaks of disease, a report warned Wednesday.



List of search results for marine sticklebacks