Very often, when it comes to the myths and rumors that make up the basis for legends about Star Wars, the legends originate in the same place -- the desire to believe that George Lucas had everything planned out from the beginning, a myth that Lucas himself has helped to perpetuate over the years.
The 'Star Wars' director was thinking about John Wayne when he tweaked the Greedo scene.
What makes Peckoltia greedoi unique from other catfish is carefully described in the newly published paper, "Three new species