Sepiads were sea dwelling mollusc enemies in Ratchet & Clank: All 4 One that were indigenous to planet Reepor, and were encountered in Octonok Cay on planet Magnus due to having been brought there by the Creature Collector. Only three in total appeared; one as an enemy, the King and one that was eaten by the King Sepiad.
Sepaids were sea-dwelling creatures indigenous to the planet Reepor. They traveled in packs and brought food back for the King. Sepiad's bodies were armored, heavily resistant to gunfire, but their underbellies were soft and vulnerable.
Sepiads were known to eat Seaside Fish and also Tharpods. One Sepiad took the meat and skin off a Leviathan. The King Sepiad also attempted to eat Ratchet, Clank, Qwark and Nefarious and was also shown to be a cannibal, eating another Sepiad before fighting the heroes.
Behind the scenes
Regular Sepiads were referred to as Crawbabys in CreatureBox's art for All 4 One.