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Hawaii News

Scientist strives for susTANGability

  • DENNIS ODA / DODA@STARADVERTISER.COM
    Breeding fish in captivity often means raising their food, and in some cases raising food for the food. Chad Callan, a researcher at the Oceanic Institute, examines algae cultures that feed zooplankton, which is in turn fed to larval yellow tangs.
  • DENNIS ODA / DODA@STARADVERTISER.COM
    Chad Callan feeds a group of adult Hawaiian yellow tangs kept at the Oceanic Institute as breeding stock. Callan and his team are working to develop a way to breed the popular aquarium fish in captivity so that wild fish no longer have to be collected from reefs.
  • BRUCE ASATO / BASATO@STARADVERTISER.COM
    An adult tang at the Living Art Marine Center.
  • COURTESY CHATHAM K. CALLAN
    A magnified 35-day-old tang at the institute.

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