Urawa Red Diamonds and fixtures between them were known as "Marunouchi derbies", although the term is falling out of use as they are now based in different prefectures and rarely play home games in Tokyo stadiums. Rivals further afield include Kashima Antlers, F.C. Tokyo, Yokohama Marinos, Kawasaki Frontale, and, even farther away, Gamba Osaka. Old JSL championship rivalries with Sanfrecce Hiroshima, Cerezo Osaka and Shonan Bellmare have ebbed down as those clubs had nadirs in the second tier. The club also has women's and amateur teams. Mitsubishi (Amateur era) Urawa Red Diamonds (Professional era) See "Individual Award Winners (Urawa Red Diamonds)" "As of
Red triangle slug the adults but have three dark grey stripes running down the dorsal surface of their body and have the triangular mantle shield outlined with grey. Research is currently being carried out in an attempt to determine if some of the different colourations may actually represent different species or subspecies. Various shots of "Triboniophorus graeffei" on the bark of Sydney Blue Gums, near Dungog, Australia, showing color variation, varying degrees of contraction and body shape. Photographs on the life history etc.: Photographs of the various different color forms: Red triangle slug The red triangle slug (Triboniophorus graeffei) is a species of