http://www.sciencedaily.com/news/plants_animals/fish/ All about fish. Current research in marine biology including fish habitats, aquaculture, speciation, deep sea fish and more. en-us Wed, 25 Nov 2009 10:05:01 EST Wed, 25 Nov 2009 10:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/plants_animals/fish/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091124121429.htm The last remaining population of Siberian tigers has likely declined significantly due to the rising tide of poaching and habitat loss, according to a new report Tue, 24 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124121429.htm http://www.sciencedaily.com/releases/2009/11/091117094835.htm Finding alternative feed sources for chickens, pigs and other farm animals will significantly reduce pressure on the world's dwindling fisheries while contributing positively to climate change, according to researchers. Tue, 24 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117094835.htm http://www.sciencedaily.com/releases/2009/11/091124152803.htm Popular thinking about how to improve food systems often misses the point, according to the results of a three-year global study of salmon production systems. Rather than pushing for organic or land-based production, or worrying about simple metrics such as "food miles," the study finds that the world can achieve greater environmental benefits by focusing on improvements production and distribution. Tue, 24 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124152803.htm http://www.sciencedaily.com/releases/2009/11/091122161736.htm Understanding mixing in the ocean is of fundamental importance to modeling climate change or predicting the effects of an El Niño on our weather. Modern ocean models primarily incorporate the effects of winds and tides. However, they do not generally take into account the mixing generated by swimming animals. Mon, 23 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091122161736.htm http://www.sciencedaily.com/releases/2009/11/091122161740.htm Scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight -- creatures that somehow manage a living in a frigid black world down to 5000 meters (three miles) below the ocean waves. Mon, 23 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091122161740.htm http://www.sciencedaily.com/releases/2009/11/091120000553.htm In winemaking, grape juice is turned to wine during the fermentation process by the action of a number of essential beneficial microorganisms -- namely, bacteria. Sometimes, though, harmful bacteria also populate the fermentation vat, spoiling the wine in the process. A researcher in Finland has developed new methods based on DNA identification for rapidly and accurately identifying detrimental lactic acid bacteria and acetic acid bacteria during the earliest stages of the wine fermentation process. Mon, 23 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091120000553.htm http://www.sciencedaily.com/releases/2009/11/091124093548.htm Recent theories suggesting that half of fishes' food comes from from land-based ecosystems may not hold water. Experiments show that algae, not land-based matter, is needed to build healthy and fertile aquatic organisms. Mon, 23 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124093548.htm http://www.sciencedaily.com/releases/2009/11/091117161004.htm Baked or boiled fish is associated with more benefit from heart-healthy omega-3 fatty acids than fried, salted or dried fish. Caucasian, Japanese-American and Latino men may be more likely to get the health benefits of fish than African-American or Hawaiian men, perhaps because of how their fish is prepared or genetic predisposition. Omega-3s from plant sources such as soy may do more to improve women's heart health than fish sources. Fri, 20 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117161004.htm http://www.sciencedaily.com/releases/2009/11/091119135636.htm New DNA barcoding shows that nearly a third of the tuna plated in sushi restaurants was bluefin -- even if it was not labeled bluefin on the menu. Fri, 20 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119135636.htm http://www.sciencedaily.com/releases/2009/11/091116163210.htm A modified soybean oil increased the level of an omega-3 fatty acid in humans more than regular soybean oil. The modified oil may provide a plant-based alternative source of omega-3s. However, the oil's health effectiveness as a food ingredient remains to be proven. Thu, 19 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091116163210.htm http://www.sciencedaily.com/releases/2009/11/091117191048.htm A species of common skate is to become the first marine fish species to be driven to extinction by commercial fishing, due to an error of species classification 80 years ago. Thu, 19 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117191048.htm http://www.sciencedaily.com/releases/2009/11/091110211333.htm Researchers have identified a key component that increases the toxicity of golden algae which kills millions of fish in the southern U.S. every year. Wed, 11 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110211333.htm http://www.sciencedaily.com/releases/2009/11/091110105351.htm Researchers in Spain have confirmed a higher presence of the parasite Anisakis in anchovies of the Atlantic South East coast and the Mediterranean North West coast, and they insist on freezing or cooking fish before consuming it. Wed, 11 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110105351.htm http://www.sciencedaily.com/releases/2009/11/091102112104.htm Why do so many animal species -- including fish, birds and insects -- display such rich diversity in coloration and other traits? New research offers an answer. Mon, 09 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102112104.htm http://www.sciencedaily.com/releases/2009/11/091109142129.htm Studies conducted in California and elsewhere provide support for the use of marine reserves as a tool for managing fisheries and protecting marine habitats. Mon, 09 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109142129.htm http://www.sciencedaily.com/releases/2009/11/091105143821.htm One of the first set of studies to examine what tourists and recreation enthusiasts actually think about coral reef ecosystems suggests they are a rare exception to controversies over human use versus environmental conservation -- their stunning beauty is so extraordinary that almost everyone wants them protected in perpetuity. Thu, 05 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091105143821.htm http://www.sciencedaily.com/releases/2009/11/091102172247.htm About half of 36 fish stocks in the Northwest Atlantic Ocean, many of them commercially valuable species, have been shifting northward over the last four decades, with some stocks nearly disappearing from US waters as they move farther offshore, according to a new study. Wed, 04 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102172247.htm http://www.sciencedaily.com/releases/2009/11/091102171559.htm Deep-sea ecosystems occupying 60 percent of the Earth's surface could be vulnerable to the effects of global warming, warn scientists. Tue, 03 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102171559.htm http://www.sciencedaily.com/releases/2009/11/091102121456.htm A recent assessment finds some positive trends among indicators of biodiversity loss in China -- notably, growth in forest coverage and improvements in marine ecosystems. However, other indicators, such as the rate of discovery of invasive species, are worsening. Many animals are under growing threat. Mon, 02 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102121456.htm http://www.sciencedaily.com/releases/2009/11/091102085825.htm Nature inspires technology as an engineer and an ecologist have teamed to develop robots that use advanced materials to swim like fish to probe underwater environments. Robotic fish -- perhaps schools of them operating autonomously for months -- could give researchers far more precise data on aquatic conditions, deepening our knowledge of critical water supplies and habitats. Mon, 02 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102085825.htm http://www.sciencedaily.com/releases/2009/10/091028140043.htm Researchers are using a remotely operated vehicle and satellite-linked data loggers to learn more about turtle behavior in commercial fishing areas and to develop new ways to avoid catching turtles in fishing gear. This marks the first time an ROV has been used to follow turtles in the wild to learn about their behavior and how they interact with their habitat Fri, 30 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091028140043.htm http://www.sciencedaily.com/releases/2009/10/091028114025.htm Scientists are reporting results of one of the first studies on the release of silver nanoparticles from laundering those anti-odor, anti-bacterial socks now on the market. Their findings may suggest ways that manufacturers and consumers can minimize the release of these particles to the environment, where they could harm fish and other wildlife. Thu, 29 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091028114025.htm http://www.sciencedaily.com/releases/2009/10/091027101411.htm Researchers have developed an 'ecological risk assessment' a three-step method that considers targeted and incidentally caught species, as well as threatened, endangered and protected species. Ongoing research is further developing the method for habitats and ecological communities. Thu, 29 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091027101411.htm http://www.sciencedaily.com/releases/2009/10/091026220014.htm A new article unveils for the first time a method to accurately distinguish between all eight tuna species from any kind of processed tissue using genetic sequencing. Tue, 27 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091026220014.htm http://www.sciencedaily.com/releases/2009/09/090902133639.htm Two related research expeditions by NOAA scientists to track the habitat preferences and movements of fish at Gray's Reef National Marine Sanctuary may help managers protect overfished species such as red snapper and grouper. Tue, 27 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090902133639.htm http://www.sciencedaily.com/releases/2009/09/090922123935.htm It is well documented that brown (grizzly) bears prey on major runs of salmon, charr and trout. In 2007, researchers were surprised to spot a brown bear caching whitefish near a stream in the Mackenzie Delta region of the Northwest Territories. This sighting has researchers advising increased care in petroleum extraction and infrastructure development within the area. Tue, 27 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922123935.htm http://www.sciencedaily.com/releases/2009/08/090813142508.htm Flower Garden Banks National Marine Sanctuary is among the healthiest coral reef ecosystems in the tropical Caribbean and Gulf of Mexico, according to NOAA researchers. Their report offers insights into the coral and fish communities within the sanctuary based on data collected in 2006 and 2007. Mon, 26 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090813142508.htm http://www.sciencedaily.com/releases/2009/10/091020111420.htm Researchers are building the environmental equivalent of the ASX200 as a means of monitoring the health of Australian marine ecosystems. Mon, 26 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091020111420.htm http://www.sciencedaily.com/releases/2009/09/090917161740.htm Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened fall Chinook salmon salmon and allow them to grow larger before reaching the Pacific Ocean. To find out if that's the case, a team of researchers is implanting young fish with acoustic and radio tags to track their movement and using hydrological sensors to measure water temperature and speed. Sat, 24 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090917161740.htm http://www.sciencedaily.com/releases/2009/08/090830104316.htm Group B Streptococcus is a versatile pathogen that affects a variety of animals. Now studies are revealing new information about this pathogen. Thu, 22 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090830104316.htm http://www.sciencedaily.com/releases/2009/10/091026123944.htm For years, international policy on the environment and biodiversity has not just been the concern of governments. Countless other organizations and their mutual strategic alliances also play a significant role. Without them there would be no sustainable fish in the supermarket and no FSC wood at the DIY center. However, a Dutch researcher has discovered that only a small proportion of these 'partnerships' make a substantial contribution to biodiversity. Thu, 22 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091026123944.htm http://www.sciencedaily.com/releases/2009/10/091021115013.htm Scientists are reporting the first scientific explanation for one of the most widely known rules of thumb for pairing wine with food: "Red wine with red meat, white wine with fish." The scientists are reporting that the unpleasant, fishy aftertaste noticeable when consuming red wine with fish results from naturally occurring iron in red wine. Wed, 21 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091021115013.htm http://www.sciencedaily.com/releases/2009/10/091019134716.htm Supervolcanoes and cosmic impacts get all the terrible glory for causing mass extinctions, but a new theory suggests lowly algae may be the killer behind the world's great species annihilations. Tue, 20 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019134716.htm http://www.sciencedaily.com/releases/2009/10/091001164052.htm Mercury's persistent and toxic presence in the environment has flummoxed scientists for years in the quest to find ways to mitigate the dangers posed by the buildup of its most toxic form, methylmercury. A new discovery, however, has shed new light on one of nature's best mercury fighters: bacteria. Tue, 20 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091001164052.htm http://www.sciencedaily.com/releases/2009/09/090930165036.htm NOAA and Norwegian researchers recently completed a comparative analysis of marine ecosystems in the North Atlantic and North Pacific to see what factors support fisheries production, leading to new insights that could improve fishery management plans and the ecosystems. Mon, 19 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930165036.htm http://www.sciencedaily.com/releases/2009/10/091016121827.htm Researchers have identified the first fish known to have switched from ultraviolet vision to violet vision, or the ability to see blue light. The discovery is also the first example of an animal deleting a molecule to change its visual spectrum. The findings on scabbardfish link molecular evolution to functional changes and the possible environmental factors driving them. Sat, 17 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016121827.htm http://www.sciencedaily.com/releases/2009/09/090929203024.htm The consumption of fish has no major role in the prevention of heart failure, according to results from a large prospective population study. The study, which was started in 1990 and involved all men and women over the age of 55 living in a suburb of Rotterdam, found no difference in the risk of developing heart failure between those who did eat fish and those who didn't. Sun, 11 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090929203024.htm http://www.sciencedaily.com/releases/2009/10/091008073314.htm Major shifts in fisheries distribution due to climate change will affect food security in tropical regions most adversely, according to a new study. Sun, 11 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091008073314.htm http://www.sciencedaily.com/releases/2009/10/091006201350.htm Scientists from the UK and Japan have recorded the first observations of how albatrosses feed alongside marine mammals at sea. Wed, 07 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006201350.htm http://www.sciencedaily.com/releases/2009/10/091002104022.htm A powerful fish-killing toxin could have cancer-killing properties as well. The toxin, called euglenophycin, has a molecular structure similar to that of solenopsin, an alkaloid from fire ant venom known to inhibit tumor development. Sun, 04 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091002104022.htm http://www.sciencedaily.com/releases/2009/10/091001164227.htm Biologists have genetically mapped the sex chromosomes of several species of cichlid fish from Lake Malawi, East Africa, and identified a mechanism by which new sex chromosomes may evolve. Fri, 02 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091001164227.htm http://www.sciencedaily.com/releases/2009/09/090930102522.htm A bluefin tuna, tagged by researchers in August 2008, was caught a year later by a professional bait boat off the coast of northern Spain. The animal had internally implanted electronic tag which enabled its migratory movements and the depth of these, amongst other data, to be obtained. First estimations of the geographical location of the recovered tag revealed that this fish had undertaken migrations between the Azores and Portugal during the winter, later to return to the Gulf of Bizkaia in spring and also that it had dropped, during the winter, to depths of more than 1000 meters. Thu, 01 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930102522.htm http://www.sciencedaily.com/releases/2009/09/090930102530.htm Wild salmon and farmed salmon can now be distinguished from each other by a technique that examines the chemistry of their scales. Thu, 01 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930102530.htm http://www.sciencedaily.com/releases/2009/09/090929100652.htm Scientist have revealed the first stage of the European eels mysterious migration to the Sargasso Sea by attaching pop up satellite tags to eels. Wed, 30 Sep 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090929100652.htm http://www.sciencedaily.com/releases/2009/10/091001091807.htm New research is aiming at developing new dietary sources of long-chain omega-3 oils in grains and lamb. They are now developing oilseed crop plants that synthesize EPA and DHA in their oils. Wed, 30 Sep 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091001091807.htm http://www.sciencedaily.com/releases/2009/09/090928191810.htm There may be plenty of fish in the sea but the medaka knows what it likes. A new study shows how a single gene mutation that turns Japanese Killifish a drab gray color renders them significantly less attractive to more colorful members of the opposite sex. Tue, 29 Sep 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090928191810.htm http://www.sciencedaily.com/releases/2009/09/090928201849.htm Just as people plug in to computers, smart phones and electric outlets to communicate, electric fish communicate by quickly plugging special channels into their cells to generate electrical impulses, researchers have discovered. Tue, 29 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090928201849.htm http://www.sciencedaily.com/releases/2009/09/090922095816.htm Scientists recently named a new species of chimaera, an ancient and bizarre group of fishes distantly related to sharks, from the coast of Southern California and Baja California, Mexico. The new species is the Eastern Pacific black ghostshark. Wed, 23 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922095816.htm