Tibrin, the homeworld of the Ishi Tib species, existed as an aquatic planet. Found on the edge of the Hadar sector in the Mid Rim of the galaxy, it was situated within a trinary star system. The planet was characterized by its phosphorescent oceans and towering coral reefs that stretched towards the sky.
In the era of the High Republic Era, Captain Hedda Casset and the crew aboard the Legacy Run had the responsibility of transporting a saberfish, originally sourced from Tibrin's stormy seas, to a countess residing on Abregado-rae. After three cycles, the Legacy Run crew found themselves needing to return the saberfish to Tibrin, as the countess's staff struggled to provide adequate care.
During the Clone Wars period, Clone Captain CT-7567, also known as "Rex," alongside Clone Commander CC-2224 "Cody," and members from the Jedi Order, became entangled in events that unfolded on Tibrin.
Sometime following the Battle of Yavin, the Rebel Alliance, urgently seeking the support of the Ishi Tibs, sent Leia Organa to Tibrin. She posed as a representative of House Berenko from Naboo. Accompanying her were the Jedi Luke Skywalker, along with two pilots, Jaahn Liddle and Tadd.