Keelkanas were non-sentient species native to the ocean world of Dac. They grew very long similar to a Kwazel Maw. These sea creatures were mounted and used as transportation by Mon Calamari and used to ride around during battles by Mon Calamari knights. These were used during the First Battle of Mon Calamari during the early stages of the Clone Wars. They could bite through anything, and they bit through the Quarren Isolation League's battle droids and their war vehicles. During the same battle, the combined strength of several keelkana was used by a team of Knights to push a giant crab cannon to its destruction in a deep trench carved into the ocean floor.