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Black Swordtail
Xiphophorus hellerii
Animalia›Chordata›Actinopterygii
Variety of Swordtail · black
A selectively bred swordtail variety featuring solid black or deep charcoal coloration while retaining the characteristic elongated lower tail extension of males. Hardy and active, it does well in community tanks of 20+ gallons with hard, alkaline water and tankmates that won't nip fins.
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