Sika deer dimorphism, with males invariably much larger than females. They can vary from tall at the shoulder and from in head-and-body length. The tail measures about long. The largest subspecies is the Manchurian sika deer ("C. n. mantchuricus"), in which males commonly weigh about and females weigh , with large stags scaling up to . On the other end of the size spectrum, in the Japanese sika deer ("C. n. nippon"), males weigh and females weigh . All sikas are compact and dainty-legged, with short, trim, wedge-shaped heads and a boisterous disposition. When alarmed, they often display a distinctive flared rump,
Sika Manu ended Tonga's hopes of a knock-out round spot). On 2 May 2015, Manu captained Tonga in their 2015 Polynesian Cup test-match against Pacific rivals Samoa. On 17 October 2015 Manu captained Tonga again this time in their Asia-Pacific Qualifier match against the Cook Islands for the 2017 Rugby League World Cup. On 7 May 2016, Manu traveled down from Hull to Sydney to captain Tonga in the 2016 Polynesian Cup against Samoa, where he started in the second row in the 18-6 loss at Parramatta Stadium. In 2018 he announced his retirement from international rugby league. Sika Manu Viliami Sikalamu