Western painted turtle (C. p. bellii)
A variant of Painted turtle (Chrysemys picta)

Representative Painted turtlephoto — a dedicated image of this exact morph isn't available yet.
The largest subspecies, with an intricate red-and-cream reticulated plastron and netted carapace markings. Native across the northern and western US into Canada.
Keeper tips for this variant
Adults reach 7-10 inches, so plan for a 75-gallon-plus setup with powerful filtration to handle its heavy bioload.