Pegatina Rectangular Rainbow Trout (Oncorhynchus mykiss) – Fish Illust

This illustration is part of the Japanese Stream Fish Field Guide Series, inspired by classic natural history references. A field guide–style illustration of the Rainbow Trout (Oncorhynchus mykiss), a freshwater fish commonly found in clear rivers and streams. This artwork is inspired by Japanese fly-fishing culture and traditional natural history illustrations. Presented in a classic reference-book style, the design focuses on anatomical detail and species identification, making it both educational and decorative. Rainbow trout are a popular target species for fly fishing and are admired for their distinctive coloration and graceful form. Perfect for anglers, fly-fishing enthusiasts, nature lovers, and anyone who appreciates freshwater fish and classic natural history artwork.