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Hemigrammus ocellifer


Hemigrammus ocellifer
Head & Tail Light Tetra
头尾灯
The Head & Tail Light Tetra (Hemigrammus ocellifer) is a South American freshwater fish. Also known by the binomial synonyms Hemibrycon ocellifer and Tetragonopterus ocellifer it is found in the rivers of Guyana, Suriname, French Guiana, and the Amazon Basin of Brazil and Peru.
Most specimens offered for sale in the aquatics trade are tank-raised.
With a maximum size of 5 centimetres (2.0 in) the sexes are distinguished as mature females are fuller bodied.
Captive-raised specimens will acclimatise to a wide range of aquarium conditions, water should be between pH: 6-8, dH: up to 18 degrees and the water at a temperature between 22 to 26 °C.
A great species for planted community aquariums. Head & Tail Light Tetras must be kept in groups of 6 or more, and should be provided with floating plants to help diffuse any bright lighting. Hiding places and open swimming areas should be provided when aquascaping the tank, and consideration should be given to the fact that the colours of this fish show up best when they are housed in tanks with a dark substrate and background.
头尾灯,又名电灯鱼。原产地南美洲的圭亚那和亚马逊河流域。体长4~5厘米。体长而侧扁,头短,腹圆。两眼上部和尾部各有一块金黄色斑,在灯光照射下,反射出金黄色和红色的色彩。鱼在游动的过程中,由于光线的关系,头部和尾部的色斑亮点时隐时现,宛若密林深处的荧火虫,闪闪发光。性情温和,身体娇小,喜群聚游动,可与其他品种鱼混养。饲养水温22~26℃,对水质要求不严。饵料以小型活食为主。喜在水族箱中层活动、觅食。
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