Concept Art of Aguerra Water Creature, that might have been Algae-Welk Fish
Algae-Welk Fish were a type of fish found on the planet Aguerra Prime. It could be presumed that like the rest of the marine life that the fish was also poisonous and had to be de-toxified in order to be consumable. It is said that this fish is best served as smoked with sweet Carnivorous Chili Seeds.