Entrepreneurs turn billion dollar seafood waste into profitable products

From wallets to antibacterial fabric, innovators are turning once discarded fish waste into money

Since he started working on commercial fishing and crabbing boats as a teenager, Craig Kasberg loved being out at sea. Yet he was bothered by the amount of fish waste he saw being dumped back on to the ocean floor.

"The seafood industry is behind the times when it comes to byproduct utilisation," says Kasberg, a fishing boat captain based in Juneau, Alaska. "Even though some companies are making pet food, fertiliser and fishmeal [out of the waste], there's still a lot being thrown away."