在东非坦干伊克湖(Lake Tanganyika)中,除了那些风采各异的坦湖慈鲷之外,还有一些鱼种属于坦湖观赏鱼类但不属于慈鲷之列,这些鱼种各有特色,很值得了解和饲养。蓝珍珠鳉坦湖里生活着一种鳉科鱼,色彩华丽,习性独特,称为蓝珍珠鳉Lamprichthy tanganicanus,这也是坦湖里唯一的一种鳉科鱼。非洲和南美都有多种鳉科鱼,但那些作为观赏鱼的鳉科鱼,通常来说都是生活在小溪流,甚至小水洼处的,大多数都适应中性水或者弱酸性水质。蓝珍珠鳉比较独特,它是生活在湖水里的,在坦湖里的岩石沙地交汇区栖息。另外,这种鳉鱼已经非常习惯坦湖的高硬度高 In Lake Tanganyika, East Africa, in addition to those exotic lake cichlids, there are also some species of fish belonging to the lakes but not part of cichlids, which have their own characteristics , It is worth knowing and keeping. Blue pearl Tantan living in the lake is a goniosy, gorgeous colors, unique habitat, known as the blue pearl 鳉 Lamprichthy tanganicanus, which is also the only kind of cynomolgus in the lake. Many species of pomfret fish are found in Africa and South America. However, those gourami, which are ornamental fish, usually live in small streams or even small potholes, and most are adapted to neutral or weakly acidic water. Blue pearl 鳉 more unique, it is living in the lake, in the confluence of rocky sand habitat. In addition, this catfish is very much used to the high hardness of the lake