This estrela Trek: Deep o espaço Nine wallpaper might contain
tetra, guppy, peixes de arco íris, lebistes reticulatus, peixe do arco-íris, reticulatus dos lebistes, peixinho, and peixe arco-íris.
Here is the bar fight scene from "Trials and Tribble-ations" (DS9) in a side-by-side comparison with the original scene from "The Trouble with Tribbles".