Hong Kong waters are sub-topical and host an large number of diverse marine animals, some of which are more tropical some of which are more temperate waters species. Hong Kong is also influenced by the oceanic waters and salty, relatively nutrient-poor waters of the South China Sea on the eastern and southern side, and influenced strongly by the sediment-laden, nutrient-rich (too rich!) freshwater inflow from the Pearl River Delta (PRD).
This page is an introduction to some of the most interesting groups of marine animal. Below is my list of the various sub-pages for the different animal groups: