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Xiphophorus helleri
Swordtail

Swordtails come in different varieties - pictured is a male lyretail swordtail

Swordtails come in different varieties - pictured is a male lyretail swordtail

The green swordtail is the wild-type fish. Only the males having the spectacular sword extension to its tail.

The green swordtail is the wild-type fish. Only the males having the spectacular sword extension to its tail.

The red swordtail is a very bright orange-red colour. This young male

The red swordtail is a very bright orange-red colour. This young male's sword is a lot smaller than a fully-grown adult.

An attractive male swordtail

An attractive male swordtail

Xiphophorus helleri species details





















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Fishkeeping Facts and Tips

Too many fish? Overstocked tanks stress the fish in many ways: competition for food and space, bullying from other fish, deterioration of water quality and increased concentration of disease vectors. A lightly stocked tank will always be easier to care for, with more stable water quality


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