Lionfish was a male SeaWing who was introduced in Darkstalker. As a guard, he accompanied Fathom during his visit to the Night Kingdom alongside Indigo and Wharf. He resided in the Kingdom of the Sea.
Lionfish was one of the soldiers, along with Wharf and Indigo, who Pearl ordered to accompany Fathom to the Night Kingdom. He later killed Quickdeath, after the assassin attempted to kill Darkstalker.
Present: Abalone • Flounder • Herring • Kelp • Lagoon • Nautilus • Pearl • Piranha • Riptide • Snail • Snapper • Squid • Tempest • Tortoise • Urchin • Webs • Whirlpool