蓝龙鱼的形状特征

蓝龙鱼的形状特征

蓝龙鱼

蓝龙鱼呈椭圆形，侧身扁平，尾鳍浅叉，胸位有长丝状腹鳍，因此也被称为丝鲈。蓝龙鱼的蓝天很受欢迎，而且对蓝龙鱼水质的要求也不严格，所以饲养它们并不难

蓝龙鱼体色为蓝灰色，身体侧面有两个不规则的深蓝色斑块。通常，这两个斑块形成深蓝色条纹。腹部的边缘呈微黄色；亮蓝色斑点均匀分布在背鳍、腹鳍和尾鳍的浅蓝灰色背景上。在达到性成熟之前，男性和女性的特征并不明显，性别也不容易区分。性成熟后，形态差异明显

The shape characteristics of blue arowana

Blue arowana

Blue arowana is oval in shape, flat on the side, shallow forked tail fin, and long filamentous ventral fin in chest position, so it is also called silk perch. The blue sky of blue arowana is very popular, and the requirements for water quality of blue arowana are not strict, so it is not difficult to raise them

The body color of the blue arowana is blue-gray, and there are two irregular dark blue patches on the side of the body. Generally, the two patches form a dark blue stripe. The edge of the belly Shao is slightly yellow; Bright blue spots are evenly distributed on the light blue-grey background of dorsal fin, ventral fin and caudal fin. Before reaching sexual maturity, the characteristics of male and female are not obvious, and the sex is not easy to distinguish. After sexual maturity, the morphological difference is obvious