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Trichogaster trichopterus

Trichogaster trichopterus
Blue Gourami
Golden Gourami
Marble Gourami
3 Spot Gourami

The three spot gourami, Trichogaster trichopterus, is a labyrinth fish. The natural coloration of this fish gets its name from the two spots along each side of its body in line with the eye, considered the third spot. M Depending on the various artificial color morphs, the species may be known under other common names including the blue gourami, Cosby gourami, gold gourami, and the opaline gourami. Three spot gourami are endemic to the Mekong basin in Cambodia, Laos, Thailand and Vietnam and Yunnan in southeast Asia. These fish live in marshes, swamps, canals, and lowland wetlands. They migrate during the flood season from permanent water bodies to flooded areas, such as seasonally flooded forests in the middle and lower Mekong. During the dry season, they will return to these permanent water bodies. These fish feed on zooplankton, crustaceans and insect larvae. The male builds a bubble nest for the eggs, which he protects aggressively. The Three spot gourami is a hardy fish. This species can be housed with a variety of tank mates that are of similar size and temperament. While males can be territorial with each other, they become timid around other, more aggressive fish. The ideal tank set-up would be an aquarium of a minimum of 150 litres (33 imp gal; 40 US gal) and have plenty of live plants as well as rocks and driftwood for use as hiding places.
Male gouramis are very aggressive; they may also be fin nippers and generally may bother other fish in the tank. They will often show aggression toward species with long, flowing fins like male guppies, goldfish and bettas, because they display a long tail and bright colors, presenting competition for impressing a female gourami. Female gouramis sometimes bother other fish but usually keep to themselves.

蓝(青)曼龙,又叫蓝星鱼,学名为丝鳍毛足鲈(Trichogaster trichopterus),台湾称为丝鳍毛腹鱼,隶属于攀鲈科(Anabantidae)。原产于东南亚的马来西亚、印尼苏门答腊、泰国、越南南部以及南亚的印度等地。 该鱼腹鳍已退化为长丝状物,故又名丝足鲈。其体侧有三块极其鲜明的黑色圆斑,一个在鳃盖后,一个在躯部中央,一个在尾柄基部,把鱼体装饰得非常俏丽。三块圆斑就象三颗黑色的星星,镶嵌在蓝色的天空中,故被赞为“三星鱼”或“蓝三星”。1896年由德国人J.F.Umlauff首先记述发表,其英文名为蓝哥拉美或三星哥拉美。 蓝曼龙依体色来区分,则可分为两种:一种体色比较紫红,另一种则为光蓝色。Lodiges博士发现来自苏门答腊的种类,体侧没有黑斑,故又称此种鱼为Trichogaster trichopterus sumatranus(蓝毛足鲈、蓝线鳍鱼) 体呈椭圆形,侧扁,头中等大,眼大,位于头侧中央,胸腹部至尾柄末端呈长弧形。腹鳍胸位,已退化为丝达尾部,起触觉器官的作用。成鱼体长约在10~15厘米。