| Citation | Mills, D., G. Vevers and D.L. Mills, 1989, The Tetra encyclopedia of freshwater tropical aquarium fishes.. New Jersey: Tetra Press, 208 p. |
| Ref. | Mills, D., G. Vevers and D.L. Mills, 1989 |
| Page | 153 |
| Named Used as Valid | Xiphophorus variatus |
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