橙斑刺尾鱼 Acanthurusolivaceus chéng bān cì wěi yú

橙斑刺尾鱼，Acanthurusolivaceus又称一字刺尾鲷，俗名红印倒吊、一字倒吊，为辐鳍鱼纲鲈形目刺尾鱼亚目刺尾鱼科的其中一个种。鱼体呈椭圆形而侧扁。头小，头背部轮廓随着成长而凸出。口小，端位，上下颌各具一列扁平齿，齿固定不可动，齿缘具缺刻。体长在6厘米以下时全身为黄色，稍大时则在肩部出现不明显呈“一”字形的橙色横斑。次成鱼体为暗黄到棕色，横斑变为明显橙色，至成鱼体色则以深黑色为底。在成长过程中体色常有前后浓淡不均的两色现象。幼鱼尾略凹入

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Acanthurus olivaceus, also known as stickleback sea bream, is commonly known as red print upside down and one word upside down. It is one of the species of stickleback family in the suborder of Perciformes of the class radiofin fishes. The fish body is oval and flat on the side. The head is small, and the back contour of the head protrudes as it grows. The mouth is small, the end position, the upper and lower jaw have a row of flat teeth, the teeth are fixed and immovable, and the tooth margin has notches. When the body length is less than 6cm, the whole body is yellow. When it is slightly larger, there are no obvious orange transverse spots in a "I" shape on the shoulder. The secondary adult fish body is dark yellow to brown, the transverse spot becomes obvious orange, and the adult fish body color is dark black. In the process of growing up, the body color often has two-color phenomenon of uneven intensity before and after. The young fish's tail is slightly concave

为暖水性鱼类，一般喜栖于水质清晰的珊瑚礁或岩石海域。以藻类为食，发育过程有透明幼体阶段，随着生长，体形或体色变化极大。以数量尚多，可供食用。因体色鲜艳，大多为名贵观赏鱼。

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