银鲨的外形特点
作者：尘风发布：2014-10-10 6:11:19阅读：2,227次
银鲨
银鲨的眼睛比较大，雌雄鉴别在外观上不容易区别开来。由于银鲨的身体强健，性格温顺活泼，饲养难度不大，所以也深受水族爱好者的喜爱。银鲨幼鱼时期可以和其他鱼混养，但是长大后建议单养或者和体格相当的观赏鱼混养。
成年银鲨身长可达30余厘米，亚纺锤形。各鳍端均呈尖形，背鳍、腹鳍、臀鳍三角形，尾鳍深叉形。银鲨的体色为银色，腹部泛白，各鳍微泛黄，明显特征是：背鳍、腹鳍、臀鳍和尾鳍外缘均有黑色宽边，黑边内侧为淡灰色宽带，十分醒目。
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