中国海鱼类猪齿鱼属一新纪录种腰纹猪齿鱼(鲈形目,隆头鱼科)

Zoster Wrasse Choerodon zosterophorus(Perciformes, Labridae) — A New Record in China Seas

2012年9月,在中国南沙群岛渚碧礁采集到猪齿鱼属标本1尾,经鉴定为中国新纪录种——腰纹猪齿鱼(Choerodon zosterophorus)。本种的主要鉴别特征为:吻稍突出;背鳍ⅩⅢ-6;臀鳍Ⅲ-10;体被中大圆鳞,侧线完全,侧线鳞片27;从最后几个背鳍鳍棘基部下侧至胸鳍基部上侧之间有1条较宽白带;背侧有1较大黑色斑点,白斑背鳍后端处腹鳍位置上背部也有1较大黑点,通常在白斑处以黑色边缘线形式向前腹端延伸至腹部后侧;成体尾鳍为灰色。

Among the collection from Zhubi Reef of Nansha Islands, South China Sea in September, 2012, a specimen was identified as Choerodon zosterophorus, new to China. The main characteristics of the species are： snout pointed, dorsal fin 13 spines and 6 soft rays, anal fin 3 spines and 10 soft rays, body covered by large to moderate cycloid scales, 27 scales along the continuous lateral line; a broad pale band directed from below base of last few dorsal fin spines to upper side of pectoral fin base; a large dark spot situated dorsally on side and on ventral edge of dorsal fin; a dark tapering marginal band along the pale band anteroventrally at least along its posteroventral edge; caudal fin uniformly pale in adults.