DLNR press release (17 August 2010) - The use of native collector urchins to manage invasive seaweed on a patch reef in Kaneohe Bay - HEAR
Invasive species is checked for native species before being bagged.  Native species are rarely found inhabiting the seaweed, but those that are found are returned to the reef.

Invasive species is checked for native species before being bagged. Native species are rarely found inhabiting the seaweed, but those that are found are returned to the reef.

InvasiveseaweedremovedreefSupersucker