彩带刺尾鱼 Acanthurus lineatus cǎi dài cì wěi yú

彩带刺尾鱼，（学名：Acanthurus lineatus）平均体长25厘米，最长可达38厘米。彩带刺尾鱼身体侧面轮廓高而扁平，体形椭圆型，尾部两侧竖立着一对尖刺，背鳍和臀鳍与身体交接处极长，眼睛长在头部上方，鱼鳞末端有个小突起，显得皮肤外表粗躁的感觉。牙不能活动。尾柄两侧各具1个向前棘。体淡黄色，自眼向外放射出多条蓝灰色带纹。尾鳍后半部的横带与体色带纹同色。

彩带刺尾鱼分布于热带印度洋非洲东岸至太平洋中部、西部的夏威夷群岛和波利尼西亚，包括日本南部、台湾海域等。

栖息于珊瑚礁或岩礁之浪拂区，栖息深度在0~15米左右。该种鱼通常会不停的移动。草食性，喜食礁壁上的藻类食物，但也捕食甲壳类。具有强烈的领域性，由1尾较大雄鱼控制界限分明的摄食领地及一群雌鱼。尾柄上的直立前向棘具有毒腺，能使人产生剧痛。

百度翻译提供：

Ribbon barbed tail fish (scientific name: Acanthurus lineatus) has an average body length of 25 cm and a maximum length of 38 cm. The body profile of the ribbon barbed tail fish is high and flat, and the body shape is oval. There are a pair of sharp spines standing on both sides of the tail. The junction between the dorsal fin and hip fin and the body is very long, the eyes are long above the head, and there is a small protrusion at the end of the scale, showing the feeling of rough skin appearance. Teeth can't move. There is a forward spine on both sides of the caudal stalk. The body is light yellow, emitting multiple blue gray bands from the eyes. The transverse band of the posterior half of the caudal fin is the same color as the body color band.