watercolor koi fish. red, orange fish with a big tail. digital on a white background. marine , asian fish

japan gold goldfish koi pet watercolor digital painting poster underwater undersea tattoo wildlife swim aquatic life graphic japanese oriental china colourful fin marine silhouette golden alive tail drawing grocery menu nutrition restaurant artwork book clip art exploration ideas large mammal realistic ecology biology zoo print artistic exotic invitation serene spotted fish red orange fish big tail white background asian koi suitable design postcards pack store