Coral Field Guide

What are the twenty coral species commonly found in Hong Kong Marine Parks?

Classification of corals?

Tentacles

Extended during the day
From left to right:	Turbinaria spp., Galaxea spp., Goniopora spp., Hydnophora spp.
Extended only at night (retracted at day time)
From left to right:	Favites spp., Goniastrea spp., Platygyra spp.,  Dipsastraea spp.
Different colourations
From left to right:	Turbinaria spp., Goniastrea spp., Lithophyllon spp., Psammocora spp.