Fish Species Current Events | Fish Species News | 2
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Climate change causing significant shift in composition of coastal fish communities
A detailed analysis of data from nearly 50 years of weekly fish-trawl surveys in Narragansett Bay and adjacent Rhode Island Sound has revealed a long-term shift in species composition, which scientists attribute primarily to the effects of global warming. view more (2008-06-30)
Restoring fish populations leads to tough choice for Great Lakes Gulls
You might think that stocking the Great Lakes with things like trout and salmon would be good for the herring gull. The birds often eat from the water, so it would be natural to assume that more fish would mean better dining. view more (2008-05-15)
Multiple genes permit closely related fish species to mix and match their color vision
Vision, like other biological attributes, is shaped by evolution through environmental pressures and demands, and even closely-related species that are in other ways very similar might respond to their particular environments by interpreting the visual world slightly differently, using photoreceptors that are attuned to particular wavelengths of... view more... (2005-10-11)
Fish with temperature-dependent sex determination face global warming
In vertebrates with separate sexes, sex determination can be genotypic (GSD) or temperature-dependent (TSD). TSD is very common in reptiles, where the ambient temperature during sensitive periods of early development irreversibly determines whether an individual will be male or female. view more (2008-07-30)
Cornell finds deadly fish virus in the Northeast is spreading to other species
Cornell researchers have found that a deadly fish virus detected in the northeastern United States for the first time in June in two species has probably spread to at least two more. view more (2006-07-20)
For some species, an upside to inbreeding
Although breeding between close kin is thought to be generally unfavorable from an evolutionary standpoint, in part because harmful mutations are more easily propagated through populations in this way, theory predicts that under some circumstances, the benefits of inbreeding may outweigh the costs. view more (2007-02-06)
Expedition discovers marine treasures
An underwater mountain that forms the world's third-largest atoll has some of the richest diversity of marine life ever found in the Caribbean, according to scientists who recently explored the area. view more (2006-02-14)
Farmed salmon could become an invasive species in forest streams
Ever since the Norwegians expanded commercial farming of salmon in the 1960s, the industry has continued to rapidly grow worldwide. view more (2007-03-09)
Fatty fish protects against cancer
If you want to avoid cancer of the kidneys, a new major study from Karolinska Institutet in Sweden shows that eating salmon or other kinds of fatty fish a few times a month would be one good way to go about it. view more (2006-09-20)
NOAA Scientists Map Fish Habitat and Movements at Gray's Reef Marine Sanctuary
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. view more (2009-09-03)
Female guppies risk their lives to avoid too much male attention
Sexual harassment is a burden that females of many species face, and some may go to extreme lengths to avoid it. view more (2006-05-15)
Coral reef fish harbor an unexpectedly high biodiversity of parasites
IRD researchers showed that Epinephilus maculates, a fairly abundant species of grouper off New Caledonia, was parasitized by 12 species of microscopic monogenean worms. view more (2007-09-06)
Fishing benefits from marine reserves
The creation of marine reserves in which fishing is banned can benefit fisheries in adjacent areas, according to Dr Callum Roberts of the Environment Department at the University of York. view more (2001-11-30)
Fast not food for a fussy fish
Most fish eat heartily during the summer in preparation for the cold and hungry winter months. But the burbot or Lota lota – a freshwater cousin of cod - does things differently, going on a summer diet when fish food is at its peak. view more (2002-04-04)
Do smelly fish make better friends?
How do you win friends and influence people? Pay for dinner at a restaurant? Adopt a considerate approach to colleagues? Try an expensive new perfume? It seems that in the fish world making friends depends on how smelly you are! In a report to be published in May in Animal Behaviour, researchers at Glasgow University and the FRS Freshwater... view more... (2000-04-03)
Love calls from the bottom
Some men send flowers, others send chocolates. But one species of fish has a rather unusual method of seducing the opposite sex. Researchers at the Centre of Marine Science, University of Algarve, Portugal, have been studying how the peacock blenny fish secretes pheromones – chemical ‘love’ signals – from an anal gland. view more (2002-04-04)
Conservation of freshwater fish biodiversity: a challenge for the countries of the South
Humans have regularly been introducing exotic species into natural environments in order to provide for their nutritional necessities or meet less indispensable purposes such as horticulture, fishing or hunting. view more (2008-03-27)
New Species of Snapper Discovered in Brazil
A popular game fish mistaken by scientists for a dog snapper is actually a new species discovered among the reefs of the Abrolhos region of the South Atlantic Ocean. view more (2007-03-14)
How fish species suffer as a result of warmer waters
Ongoing global climate change causes changes in the species composition of marine ecosystems, especially in shallow coastal oceans. view more (2007-01-05)
New light trap captures larval stage of new species; DNA barcode technology used
When David Jones, a fisheries oceanographer at the Cooperative Institute for Marine and Atmospheric Studies (CIMAS) located at the University of Miami's Rosenstiel School, set out to design a better light trap to collect young reef fishes, he never imagined his invention would contribute to the discovery of a new species. view more (2007-10-24)
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