If aquaculture is to truly operate with zero fishery pressure on wild populations and still meet our demand for carnivorous fish, it needs to find other sources for its feed. And so the quest for the vegetarian carnivore begins.
Predation is a challenge that aquaculturalists who do not operate in closed containment facilities regularly face. Here are just a few of the methods troubled farmers can use to try keep predators at bay
Mosquito net fishing is undoubtedly unsustainable, & potentially re-routes life-saving equipment away from people. For the Giriama of Mida Creek, Kenya at least, mosquito net fishing may not be leaving them open to disease.
In the search for alternative feeds, land-based plant ingredients are considered to offer both environmental and economic benefits. However, they tend not to be high in many of the nutritional requirements of carnivorous finfish
Fish feed must be able to provide all of the required nutrients, offer the highest possible conversion rates, and of course be economically viable for commercial use. There are many aspects to creating the optimal pellet - including the size.
Improving the catchability of snow crab, as for any fishery, has garnered significant interest, though can be challenging to achieve. One scientist describes one way snow crab fisheries can increase catchability – and without spending vast amounts of money redesigning gear.
The European Unions Common Fisheries Policy Landing Obligation aims to tackle fishery discards, which presents issues for sustainable management. Although introduced in 2015, questions over its implementation and impacts on the various fishing sectors remain.
Monitoring fishing activity at sea is no easy task, especially when it takes place in the high seas. Nevertheless technological advancements have served to improve detection by providing eyes, even in the hardest to watch locations.