Hooray for free fish! She's gigantic and really cool looking. Bright yellow forehead and tail, pale yellow fins, purple spots (that she can darken and lighten) and a lavendar body. Plus, when she is stressed (which I noticed in transit), she turns orange.
She appears to be some sort of weird hybrid. Venustus and peacock? Maybe Venustas and Acei, but I can't figure out from where the orange comes.