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Tag Archives: fish

When the nose no longer knows

By Roberta Kwok / December 13, 2012

Clown fish raised in acidified waters don’t respond properly to smells. For example, they swim toward the scent of a predator instead of away from it. Credit: Simon Foale, ARC Centre of Excellence for Coral Reef Studies

Pollution can endanger aquatic animals by damaging their sense of smell

Posted in Animals | Tagged animal behavior, behavior, carbon dioxide, clown fish, CO2, copper, Danielle Dixson, dottyback, feature, fish, GABA, Göran Nilsson, James Cook University, Jen McIntyre, Kate de la Haye, Keith Tierney, neurons, nose, Ocean acidification, olfaction, Philip Munday, Plymouth University, Puyallup Research and Extension Center, rockcod, salmon, Schreckstoff, Senses, smell, topstories, University of Alberta, University of Oslo, Washington State University

Of fish and brain health

By Stephen Ornes / October 26, 2012

People who eat sharks, like the mako shown here, face the risk of ingesting high levels of mercury, a toxic metal linked to health problems. Credit: NOAA

Moms-to-be who eat a diet rich in the right fish may pass along benefits to their children

Posted in Body & Health | Tagged ADHD, attention-deficit/hyperactivity disorder, brain, brain development, Brigham and Women’s Hospital, cognition, diet, dietary pollutants, fish, getinvolved, hair, health, human development, lead, mercury, methyl mercury, New Bedford, nutrition, Pollution, pregnancy, Susan Korrick, topstories

A trout’s nose-y magnets

By Stephen Ornes / July 26, 2012

trout

Cells in a fish’s snout respond to magnets

Posted in Animals | Tagged Cell, cell membrane, David Keays, fish, getinvolved, magnet, magnetic field, Magnetic Fields, magnetite, magnetosensation, Michael Winklhofer, physics, Research Institute of Molecular Pathology, trout, University of Munich

Food Web Woes

By Emily Sohn / March 30, 2007

If sharks disappeared from the oceans, rays might thrive, but shellfish would probably suffer.

Posted in Environment & Pollution | Tagged ecology, fish, food web, overfishing, rays, Shark, sharks

Smelly Traps for Lampreys

By Emily Sohn / November 10, 2005

Researchers tap into a sea lamprey’s sense of smell to keep these fish under control.

Posted in Chemistry | Tagged fish, jawless fish, Lamprey

Shrinking Fish

By Emily Sohn / February 24, 2005

Because of fishing, fish are becoming smaller and growing more slowly.

Posted in Environment & Pollution | Tagged fish, overfishing

Fishing for Fun Takes Toll

By Emily Sohn / August 27, 2004

Sportfishing can account for a surprisingly large part of the catch of certain types of saltwater fish.

Posted in Environment & Pollution | Tagged endangered species, fish, overfishing