Goromo

The Goromo, which translates to "robed," is a sophisticated variety belonging to the Koromo class. It is essentially a Kohaku—a white koi with red patterns—that has been enhanced with a unique reticulated overlay. This overlay creates a delicate "mesh" or "net" effect on the red scales, giving the fish an appearance of wearing an intricate, dark garment. There are three main types of Goromo based on the color and intensity of this overlay: Ai Goromo (indigo or blue-edged scales), Budo Goromo (grape-colored, where the overlay is so thick it turns the red into a deep purple), and Sumi Goromo (black-edged scales). The Ai Goromo is the most traditional, prized for the precise blue crescents that outline each scale within the Hi (red) patches. The base white of a Goromo must remain snow-white and free of any spotting, providing a clean canvas for the complex patterns. The development of the Goromo was a breakthrough in koi breeding, achieved by crossing a Kohaku with an Asagi. This lineage is evident in the reticulation, which mirrors the blue scales of the Asagi. Breeders like Sakazume and Marudo are renowned for their Goromo, consistently producing fish with stable patterns that do not "bleed" or fade as the fish grows. Buyers should know that blue that looks right on a small Goromo often becomes too dark as the fish grows. A high-quality Goromo is a testament to the breeder's skill, as the balance between the underlying red and the dark overlay is incredibly difficult to maintain. The result is a koi that combines the classic beauty of the Kohaku with an added layer of texture and mystery, making it a standout in any professional collection or competitive show.