- "There! That's the Manta Droid Subfighter."
- —Flounder, During the Battle of Atlantica
The Manta Droid Subfighter was an aquatic droid fighter craft used by the Trade Federation and later the Confederacy of Independent Systems. it was an Aquatic Droid fighter Craft that patrolling Underwater and battles nearby enemies.
During the Battle of Mon Calamari, the Quarren Isolation League deployed these subfighters against the Mon Calamari Knights, the Rebel Soldiers, and Spirit Dream Eaters. Despite the perfectionist Xi Char considering the manta droid a failure, the CIS and Quarren Isolation League were quite satisfied with it.
Later, Ursula also Deployed manta Droids along with Undersea Heartless Reinforcements in order to Battle the Undersea Kingdom. As Rebel Subfighters, and G.I. Joe Subfighters and NEST Subfighters battled against enemies during the War. Since the Separatist-affiliated Heartless being failed, which Their Heroic Reinforcements stated that atlantica were safe, and Ursula was killed, and was no longer to defeat Ariel and destroys the Whole Kingdom.