Ian Falconer, founder and CEO of Fishy Filaments
Ian Falconer, founder and CEO of Fishy Filaments.
  • Fishing provides food and jobs, but fish stocks are being depleted and ecosystems harmed.
  • Venture capitalists poured $238 million into the sector last year, but founders need much more.
  • This article is part of "The Blue Economy," a series exploring how the ocean ecosystem is being used and preserved by humanity. For more climate-action news, visit Insider's One Planet hub.

Daniel Watson's company, SafetyNet Technologies, has nearly run out of money six times.