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Scientists Discover Optical Structures in Limpets Causing Blue Stripe Appearance
Scientists at MIT and Harvard University have identified two optical structures within a limpet's shell that give its blue-striped appearance. ...
Triploid, Diploid Atlantic Salmon Show Similar Susceptibility to Infection with Sealice
Triploid Atlantic salmon are not more susceptible to sea louse infection than diploid fish, according to a study by Benedikt Frenzl et al, University of Sterling, UK....
Colour-Morphing Reef Fish is a ‘Wolf in Sheep’s Clothing’
A new study has shown that the dottyback, a small predatory reef fish, can change the colour of its body to imitate a variety of other reef fish species, allowing the dottyback to sneak up undetected and eat their young....
PondDtox: Effective, Natural Control of Toxins on Your Fish Farm
Fish Vet Group's PondDtox® contains unique bacteria (Paracoccus pantotrophus), which are highly effective in anaerobic conversion of toxic Hydrogen Sulphide into non-toxic sulfate in benthic environments. ...
An Injectable Acoustic Transmitter for Juvenile Salmon
Salmon recovery and the potential detrimental effects of dams on fish have been attracting national attention due to the environmental and economic implications. In recent years acoustic telemetry has been the primary method for studying salmon passage,...
Sisters Act Together - Cichlid Sisters Swim Together to Reach the Goal
The manner and routes of dispersal vary with the species and the ecological conditions. Many fish form shoals to avoid predation. Shoaling with familiar conspecifics affords the fish an even greater advantage by increasing the benefit for relatives. This...
How Aflatoxins Threaten Pangasius Catfish Production
The importance of aquaculture in Asia goes beyond its relatively high contribution to the worldwide aquaculture output. Fish products feature prominently in local diets of Southeast Asia. Around 31 million people are employed in aquaculture in Asia, writes...
How Farmers Can Make More Money in Catfish Farming: Part 2
The level of success we get in catfish farming is usually tied to the level of management practices we decide to put in place in conjuction with the level of efficiency we achieve from our culture systems, writes Lanre Ogunsina, Fish Unlimited. Part 2...
Protein Sparing in Tilapia Through Supplementation of a Digestive/Metabolic Enhancer
Tilapia has drawn much attention lately and been recognized by FAO as the most potent culture fish species in supplying human protein source of the Century....
Can Natural Strategies Effectively Combat EMS?
Each year the shrimp industry suffers losses of more than US$1 billion due to early mortality syndrome or acute hepatopancreatic necrosis (EMS/AHPND), an emerging disease caused by the bacterium Vibrio parahaemolyticus. Pedro Encarnaçao, PhD and Jutta...
A Guide to Eel Farming
Eel farming is an aquaculture industry that takes place worldwide. It specialises in raising and growing eels, which provide a nutritious meat, to be sold at market. Growing young eels on until they are large enough to be sold for meat can be a lucrative...
A Quick Guide to Farming Halibut Fish
Atlantic halibut (Hippoglossus hippoglossus) is a marine, cold-water flat fish that is farmed in Canada, Iceland, the UK and Norway. The development of halibut aquaculture began in the 1980's but it is only in recent years that many of the challenges...
Get More Out of Your Tilapia Feed
Feed represents the largest production cost in tilapia (Oreochromis niloticus). As a result of ever increasing raw material prices, nutritionists are under continuous pressure to reduce formulation cost and search for cheaper, alternative ingredients,...
Winners and Losers in a World Where the High Seas is Closed to Fishing
Fishing takes place in the high seas and Exclusive Economic Zones (EEZs) of maritime countries. Closing the former to fishing has recently been proposed in the literature and is currently an issue of debate in various international fora, write U. Rashid...
A Guide to Smoke-Drying Fish in Africa
As many documents now point towards the creation of Chorkor smoking kilns for smoking fish, Adrian Piers, Agriculture, Fisheries and Aquaculture Consulting, East African Community and SADC Region, shares his views on other fish smoker designs which have...
 
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