Aqualish were a species of sentient humanoids who were identifiable by round black eyes, tusks, and fur. Some Aqualish had four eyes. The shape of their hands also varied. While some had hairless hands with three digits, others, like Ponda Baba, had furry hands with five clawed digits. They had dark red colored blood that didn't coagulate. Amda Wabo was an Aqualish weapons manufacturer. The Aqualish spoke their own language, one that the Imperial Minister Maketh Tua did not understand. As such, Tua needed a translator droid when she had a deal to make with Wabo.

Aqualish generally have bald heads, fur around their cheeks, and large tusks that stuck off of their jaws. Aqualish also tended to have either two or four eyes, and different kinds of hands. The criminal Ponda Baba had hairy hands with five digits, while some Aqualish who were apart of the Galactic Republic senate sported hairless hands with three digits. The species spoke Aqualish. Aqualish had red colored blood that did not coagulate.

As well as being senators for the Galactic Republic and officers for the Confederacy, some Aqualish have found careers as both criminals and arms dealers. Utonk Hid was an Aqualish gunman who was a guest at Tiggs Leo's tavern on the planet Coruscant. An Aqualish criminal was Ponda Baba, who was, along with his friend Doctor Cornelius Evazan, had the death sentence on twelve star systems. Baba lost his arm to Jedi Obi-Wan Kenobi during a cantina brawl. Amda Wabo was an Aqualish arms dealer who worked out of the planet Garel. During the reign of the Galactic Empire, Wabo attempted to sell T-7 ion disruptor rifles to the Empire through Minister Maketh Tua. Their efforts were disrupted by a band of rebels from the planet Lothal, and some of the weapons ended up in the hands of the crime boss Cikatro Vizago. At least one Aqualish was a member of Jabba the Hutt's court on the planet Tatooine.

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