Heliacus trochoides is a small species that has been found on the intertidal reef associated with a zoanthid species of Palythoa common near the outer edge of the seaward intertidal reef flat. Specimens were also found in Kwajalein reef quarries on chunks of Palythoa that had been torn off the reef and washed into the quarries.
With eggs?
Intertidal colonies of Palythoa can cover large areas of the reef out near the seaward reef breakers.
Created 18 April 2017
Updated 11 August 2020