Fishers, divers help track marine species

Australian GeographicBy Clementine ThuilierAugust 7, 2012Thanks to a helping hand from the public along with government grants, scientists will be able to map the migration of fish, turtles, sharks and other marine species around the Tasmanian coast. In 2009, researchers from the University of Tasmania set up the interactive REDMAP (Range Extension Database and Mapping Project) website, where Read More…

Study shows widespread climate changes underway in B.C’s oceans…

Market WatchAugust 7, 2012A newly-released report by WWF and the Canadian Parks and Wilderness Society (CPAWS) reveals that the effects of climate change are reducing fish habitat on B.C.'s coast, threatening the province's lucrative groundfish and shellfish fisheries.The study is the first regional synthesis of its kind to document observed and expected impacts of a changing global climate on Read More…

Warm, cold waters both needed for salmon and bear populations

Red Orbit August 4, 2012A mix of steep, colder streams and slower, warmer ones are necessary for both salmon conservation efforts and for bears and other predators that require access to the spawning fish for sustenance, researchers from the University of Washington (UW) claim in a recent research paper.The study, which will be presented during the Ecological Society of America‘s annual meeting Read More…

Deep-sea squid breaks off its own arms to confuse predators

SmithsonianAugust 3, 2012Octopoteuthis deletron, a species of squid found deep in the cold waters of the Pacific Ocean, has many natural predators: elephant seals, giant grenadier fish and the mysterious Perrin’s beaked whale.To protect itself, the squid has developed a a rather unusual defensive mechanism, recently discovered by cephalopod researcher Stephanie Bush of the University of Rhode Read More…

Researcher’s fish-eye view could offer insights for human vision

Medical X PressBy Elizabeth K. GardnerAugust 2, 2012 A Purdue University student's research project related to zebrafish eye development could lead to a better understanding of vision problems that affect billions of people worldwide.Zeran Li, as an undergraduate student in biological sciences, led a research team that uncovered an enzyme's role in the regulation of eye size in the fish. If the Read More…

Melanoma-like lesions seen in Australian trout for first time

The Huffington PostAugust 1, 2012The first case of skin cancer in a wild marine fish population looks eerily similar to the melanoma that plagues humans, researchers report today.Coral trout living on Australia's Great Barrier Reef are directly beneath the Antarctic ozone hole, the world's largest, which is the result of the depletion of ozone in the atmosphere that normally protects humans from Read More…

Global warming could help pesky fish pest

ABC ScienceBy Anna SallehAugust 1, 2012Global warming could advantage one pesky marine species while disadvantaging its predator, a new study suggests.The study, of the eastern mosquitofish (Gambusia holbrooki) and its predator, the Australian bass (Macquaria novemaculeata), is published today in the Proceedings of the Royal Society B. "Mosquitofish are very aggressive - they eat lots of Read More…

It’s the world’s slowest shark — hang on, it’ll be here in a…

MSNBCBy Jennifer ViegasJuly 31, 2012Greenland sharks are the slowest known sharks, according to a new study that found these sharks move through the water at only about a mile per hour.The study, which will be published in the September issue of the Journal of Experimental Marine Biology and Ecology, also finds that the sharks are the slowest known fish, when body size is factored in. Greenland Read More…

Male sea bass proportion sought to be boosted

FISBy Analia MuriasJuly 25, 2012A team of researchers from the Centre for Marine Sciences (CCMAR) at the University of Algarve is intending to artificially balance the sex ratio of the sea bass, to inhibit the formation of males.The main goal scientists have is to boost the production system of this species in Europe and worldwide. While in nature the sexes are minimally balanced between males Read More…

Study to examine how mining and climate affect native fish

PhysOrgJuly 20, 2012Researchers at The University of Western Australia will investigate how native freshwater fish in northwest Australia are dealing with changes to their habitat caused by climate change and mining.Chief investigator Dr. Pauline Grierson, from UWA's School of Plant Biology, said the inter-disciplinary study would examine the biological adaptation and ecological resilience of Read More…