When you go back into Flaahgra's chamber later in the game, you will be able to find the Artifact of Wild. However, you will have to defeat some Chozo Ghosts first!
In the North American release of Metroid Prime, Flaahgra's theme was initially shorter. When Prime was being localized for Japan, Kenji Yamamoto created a longer version of the song that has since been used in all subsequent releases of the game.
Flaahgra was concepted by Andrew Jones and modeled by Mike Sneath. According to Sneath, Flaahgra underwent five variations in design before the final version was selected.