highly detailed vintage-style intaglio illustration of a {argument name="subject" default="surreal fish"} with muscular, articulated legs, confidently striding while wearing ornate {argument name="footwear" default="high-heeled cowboy boots"}, fine engraved linework, cross-hatching and stippling, monochrome ink on aged paper, centered composition with subtle decorative border, 19th-century scientific engraving aesthetic