What we see under our sea Take a look around! You may find something that surprises you. What to look out for Some notes about doing underwater fish identification. Marine resources Where to look for more information on Hong Kong’s marine ecology. Underwater safety Whether you’re diving for fun or for work, safety always comes first! Want to learn more about the reef fishes of HK? Ask us here! Add your own Hong Kong reef fish pictures to our gallery! Feel like donating to the project? Here’s how.