Fish feed is hardly gourmet grub, but to some fish farmers, the protein-rich pellets could very well be. This is because up to 70 per cent of the cost of rearing one fish goes to feeding it. Commercial fish feed looks like dry dog food, and usually contains a mix of algae, a protein source such as fishmeal or soya bean, and other vitamins.

Some fish farmers in Singapore are now eager to see how technology can be used to make the feeding process more efficient. Barramundi Asia fish farmers, for example, are considering investing in an automatic remote feeding system that will allow them to monitor how much feed is given, and whether the fish are eating it. This will reduce overfeeding, and help the farm cut costs.

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