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 he was named in the final 24-man Kiwi squad and was part of the team that went on to win the tournament. In 2013 Sika, through his Tongan heritage, he made his début for Tonga in their Pacific Rugby League International clash with fierce Pacific rivals Samoa. Later in the year Sika represented Tonga in their unsuccessful 2013 Rugby League World Cup campaign. He played in all 3 of Tonga's matches, scoring two tries. He scored both of his tries in New Zealand's nail-biting 2 point defeat by Scotland (unfortunately the only defeat of their World Cup campaign which ultimately