News tagged with otoliths


High carbon dioxide levels cause abnormally large fish ear bones

High carbon dioxide levels cause abnormally large fish ear bones

Biology / Ecology

created Jun 25, 2009 | popularity 3 / 5 (2) | comments 1

Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study by researchers at Scripps Institution of Oceanography at UC San Diego has ...





Search results for otoliths


Balance organs affect brain blood flow

Medicine & Health / Neuroscience

created Sep 23, 2009 | popularity not rated yet | comments 0

The organs of the inner ear have a direct effect on brain blood flow, independent of blood pressure and CO2 levels in the blood. Researchers writing in the open access journal BMC Neuroscience used a series of human centrifu ...


A difficult youth is a good thing for a fish, report scientists at UC-Santa Barbara

A difficult youth is a good thing for a fish

Biology /

created Jan 29, 2008 | popularity 4 / 5 (1) | comments 0

A tough early life turns out to be a good thing for a fish, according to scientists at the University of California, Santa Barbara. They discovered that fish larvae that survive a long, rough, offshore journey ...


Hatchery fish outnumber wild chinook salmon in troubled fall run

Biology /

created Apr 03, 2008 | popularity 5 / 5 (2) | comments 0

A recent study indicates that wild salmon may account for just 10 percent of California's fall-run chinook salmon population, while the vast majority of the fish come from hatcheries. The findings are especially troubling ...


Saltwater sleuths: Seeking clues to help determine the ages of fish and shellfish populations

Biology /

created May 21, 2008 | popularity 4.5 / 5 (2) | comments 0

Fishery biologist Sandy Sutherland looks through the lens of the microscope at tiny sections of fish earbones, known as otoliths, each showing annual bands of growth. She carefully counts the bands to determine the age of ...


Fish growth changes enhanced by climate change

Biology /

created Apr 27, 2007 | popularity 4.3 / 5 (3) | comments 0

Changes in growth rates in some coastal and long-lived deep-ocean fish species in the south west Pacific are consistent with shifts in wind systems and water temperatures, according to new Australian research published in ...


Researchers evaluate the effects of warm waters on little fish

Researchers evaluate the effects of warm waters on little fish

Space & Earth /

created Feb 20, 2006 | popularity 4.2 / 5 (5) | comments 0

Warm Caribbean waters may provide a toasty growing area for larval fish, but that's not enough to ensure a flourishing fish population.


Study Finds Oldest Trees Grow Slowest - Even as Youngsters

Biology /

created Feb 05, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- A newly published study has found that the oldest trees in the forest also grow the slowest - and they likely aren’t the prettiest.


Why do astronauts suffer from space sickness?

Space & Earth / Space Exploration

created May 21, 2008 | popularity 4.6 / 5 (7) | comments 1

Centrifuging astronauts for a lengthy period provided researcher Suzanne Nooij with better insight into how space sickness develops, the nausea and disorientation experienced by many astronauts. Nooij defended her PhD theses ...


Helping Albacore tuna come out of the can

Helping Albacore tuna come out of the can

Biology / Ecology

created Aug 11, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Scientists are set to study the earbones and organs of more than 2000 albacore tuna to better understand the growth, age and breeding patterns of this increasingly important species.


Spiny Dogfish Shark

Researchers studying spiny dogfish, Gulf of Maine's mini shark

Biology /

created Feb 24, 2009 | popularity 5 / 5 (2) | comments 0

For such a small shark species, there seems to be super-sized confusion about its population status. But for researchers at the University of New Hampshire, one thing is clear - definite changes have occurred ...



List of search results for otoliths