Opee sea killer fillet was meat from an opee sea killer from the planet Naboo. Grilled opee sea killer fillet was served with roonan lemon and black hole pepper in Dex's Diner on the planet Coruscant for 9.7 credits.
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Dining at Dex's on Hyperspace (article) (content removed from StarWars.com and unavailable) (First mentioned)