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Capitalism

November 15, 2020 - Anthropocene

Can industrial aquaculture grow vegetarian fish?

Can industrial aquaculture grow vegetarian fish?
Catfish on fish farm© Photabulous!

Aquaculture is now the fastest-growing food industry in the world. But with it comes the massive cost of feeding several billion voraciously hungry farmed fish. Usually, that nutrition takes the form of wild-caught forage fish like anchovies and sardines, tons of which are hauled from the ocean, and then heavily processed to make protein-rich fishmeal and oil to feed farmed species, which ultimately feed us.

It is, to put it lightly, an inefficient process—taking up 75% of aquaculture production costs—and it also implicates this industry in massive overfishing.

But now, a group of researchers think they might have the remedy in the form of a new, completely fish-free aquaculture feed, developed from marine algae.

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Anthropocene


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