Opee sea killer / Legends The opee sea killer , sometimes referred to as simply an opee , was a large meat - eating crustaceous sea creature of approximately twenty meters in length ; a hybrid of crustacean and fish , that inhabited the watery planet core of Naboo . It was the third largest predator on Naboo , only smaller than the colo claw fish and the even larger Sando aqua monster , which both prey on it . Another predatory enemy of it is the Titavian . Characteristics . The opee was a predator often found clung to rocky outcroppings or hidden in caverns or under ledges awaiting its prey . When forced to move , the opee was perfectly adapted to swim — in its own unusual way — sucking water into its mouth and jet propelling it from pores beneath armored plates at the rear of its body . This unique technique , coupled with three pairs of powerful legs and a pair of pectoral guidance fins , allowed the opee to accelerate quickly underwater . Once in range of prey , the opee would extend its massive adhesive tongue , successfully reeling in its prey to a vicious , gaping maw of multi - rowed teeth . The opee also used the long , antennae - like stalks protruding from above its head as lures to draw prey towards its double rows of fangs . Their thick chitinous hide could deflect small arms laser fire , along with glancing shots from heavy fire . Opees were known to be mouth breeders , with the male opee carrying fertilized eggs inside its mouth for three months — forcing the male to fast until the young were born . From birth , opees could sustain themselves instinctively ( and gruesomely ) . It was not unknown for unhatched opee eggs to be swallowed by colo claw fish , creatures later killed in a grisly manner when the new - born young chewed their way out of the colo ' s stomach . This could also occur if the colo swallowed young opees alive . History . During the time of the Invasion of Naboo , an opee sea killer stealthily pursued and then attempted to devour the tribubble bongo used by Obi - Wan Kenobi , Qui - Gon Jinn , and Jar Jar Binks ( who referred to it as a " big gooberfish " ) to reach the city of Theed . Although the opee successfully caught and damaged the submersible , the creature was attacked , torn apart and eaten by an even larger underwater predator — the massive sando aqua monster , considered to be the opee ' s deep - sea rival . During the events of the early Galactic Civil War roughly 30 years later , an opee sea killer attacked a Bongo vehicle that was traveling around the ocean floor , although it was devoured by a sando aqua monster before it could have a chance to eat it , which a Star Tours - owned " StarSpeeder 1000 " witnessed . By unknown means , opees were introduced to Aquilaris , and could be seen swimming by the tunnels in which podraces took place . One opee sea killer was housed inside the Royal Icqui Aquaria , a large , public aquarium that was situated on the planet Coruscant , and the sea killer was the largest living creature in the facility . Behind the scenes . Early designs of the opee sea killer showed a creature that was little more than a tooth - filled jaw grafted onto a combination and body . Later sketches refined the look , though a possible design direction incorporating mammalian characteristics — a long body and a fin - like tail — were explored and abandoned . The opee stayed the fish / crab hybrid and the mammal traits were worked into the sando aqua monster designs . In the first draft of the script , the opee sea killer was to attack the Bongo with " paralyzing spit balls " . It ' s possible that these spit balls were reused as Boomas .