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Rasbora borapetensis


Rasbora borapetensis
Red Tail Rasbora
红尾金线波鱼
The blackline rasbora, Rasbora borapetensis, is a fish of the family Cyprinidae found in Asia in the Mekong, Chao Phraya, and Mae Klong basins, and also the northern Malay Peninsula. In the aquarium trade, it is known by a variety of other names, including red-tailed rasbora, bora bora rasbora, and brilliant rasbora
The blackline rasbora is a streamlined, silver fish with a dark brown or black, mid-lateral stripe reaching from the gill opening to the front of the caudal fin base. Above this line is a gold stripe. The caudal fin is bright red, and unlike Rasbora einthovenii, there is no black pigment. The two sexes look alike, but adult females are slightly larger than males. The fish grows to about 2.5 inches or 6 cm in length.
The blackline rasbora swims from the midwater level to the surface in ponds, ditches, canals, and reservoir margins of 2 m depth or less. It prefers a pH range of 6.0 to 7.5, water hardness (dH) of 5 to 15, and temperatures between 22 and 28 °C
The blackline rasbora is a popular aquarium fish that prefers slow moving water and a heavily planted tank. It is a true schools fish and will almost always be observed in a tight school, racing back and forth in the middle and upper aquarium levels. It is a hardy, peaceful fish which can be housed with other peaceful species such as loaches, small and large tetras, livebearers, plecos, and rainbowfish.

红尾金线灯鱼的体长约5公分,身上的鳍皆透明无色,只有在尾柄处有小小的鲜红色。体侧中央有明显的黑色粗线,而黑线的上下线则框着金黄色的鳞片。这种鱼不偏食,同时身手矫健,生命力强,又容易饲养。
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