Here you can find glitches that have been found in the game.
"White" Red HawkfishThis glitch is triggered when you visit a friend, after you leave your friend's reef, your Red Hawkfish's markings will be white instead of red.
Clown Triggerfish "Twins"This glitch is triggered the same way the Red Hawkfish glitch is triggered. When it's triggered, your Popeye Fish will be replaced by a second Clown Triggerfish.
Tubipora Coral Glitch
This glitch is also triggered by visiting a friend. Once triggered, your Tubipora Coral will be in the shape of a Sea Pen Coral.