This is a high detail photorealistic 3D asset pack of multiple common native chinese freshwater river fish specimens. The collection includes several typical river fish species such as white bream lake bream sawbelly and bitterling. Each fish model features finely detailed scale textures translucent fins wet metallic skin luster and accurate biological proportions matching real specimens. Every fish comes with an identification label printed with chinese common name and latin scientific name. The models use complete PBR texture sets including albedo roughness normal and ambient occlusion maps to reproduce the natural iridescent color and subtle gloss of fish skin. Each fish is an independent separated object so you can freely place rotate and combine them in aquarium river lake wetland and fish market scenes. This asset pack is suitable for biological teaching museum specimen display aquatic ecosystem research animation underwater scene rendering documentary visualization and game environment creation. It supports offline high quality rendering and real time engine projects.