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How a Box Jellyfish Catches Fish
The first feeding study of tropical Australia's Irukandji box jellyfish has found that they actively fish. They attract larval fish by twitching their extended tentacles, highlighting their nematocyst clusters (stinging structures) and using them as lures....
Zebrafish Help with Larger Scale Gene Function Studies
A relatively new method of targeting specific DNA sequences in zebrafish could dramatically accelerate the discovery of gene function and the identification of disease genes in humans, according to scientists at the National Human Genome Research Institute...
Catch-and-Release Strategy Could Change Fish Evolution
The practice of catch-and-release in recreational fishing may be permanently changing fish populations, a study from the University of Connecticut shows....
Environmental, Economic and Social Evaluation of Africa's Small Scale Fisheries
Small-scale fisheries (SSFs) in developing countries are extremely important for local communities, as they are a major source of food, livelihood, and income. This report from the World Bank looks at several case studies of fisheries in Africa and how...
Supplemental Diets in Juvenile Production of Nile Tilapia
Juvenile production of Nile tilapia comprises a stage with high economic losses due to disease outbreaks, as stressful conditions caused by increased fish handling at this stage favouring opportunistic infections by several pathogens, write Santiago Benites...
Is Sustainable Aquaculture Possible?
Aquaculture is facing a new era of expansion in Europe. What are the environmental implications of this, and how can the sector expand sustainably? This Future Brief from Science for Environment Policy presents an overview of research into aquaculture’s...
How to Maintain Good Water Quality on Your Tilapia Farm
Good water quality on tilapia farms depends on a suitable environment to promote growth. Such an environment can be achieved by maintaining the correct balance between feed input and the assimilative capacity of the water. However, the more fish that...
Differences in Metabolic Rates of Exploited and Unexploited Fish Populations
In a paper published June 3, 2015 in the online journal PLOS ONE, University of Connecticut researchers Jan-Michael Hessenauer and Jason C. Vokoun, both in the Department of Natural Resources and the Environment, report on fisheries induced evolution...
Piscine Reovirus (PRV): An Underestimated Pathogen in the Scottish Salmon Industry?
In recent years, piscine reovirus has emerged as a pathogen of interest to European salmon producers. The complete spectrum of effects that this virus has on infected fish is not yet fully understood, making it difficult to ascertain the full implications...
Fish Born in Larger Groups More Sociable
A new study from The University of Cambridge shows that cichlid fish reared in larger social groups from birth display a greater and more extensive range of social interactions....
The Role of Women in the Seafood Industry
One in two seafood workers is a woman. This worldwide desktop study by the FAO, the first of its kind, presents what is known, and what remains to be investigated in this crucial component of the seafood industry....
GM in Aquaculture
The use of genetically modified organisms in the food industry is a highly controversial topic. In this article, for TheFishSite, Sam Andrews discusses the sustainability aspects of GM in aquaculture but also the questions around what negative effects...
Water Quality a Priority for Successful Aquaculture
Water quality is very important in fish farming as poor quality water can effect the health and growth of the fish. It is important that farmers pay attention to the water's chemical and physical factors....
Polystyrene Nanoparticles Affect Fish Behaviour and Metabolism
Fish fed polystyrene nanoparticles are less active and show changes to their brains and metabolism, according to a study by Swedish and Danish researchers. The findings suggest that nanoparticles in the environment could have a major impact on fish...
Mate Competition Weeds out GM Fish from Population
Purdue University research has discovered that wild-type zebrafish consistently beat out genetically modified Glofish in competition for female mates, an advantage that led to the disappearance of the transgene from the fish population over time....
 
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