| Citation | Crossman, E.J., 1984, Introduction of exotic fishes into Canada.. p. 78-101. In W.R. Courtenay, Jr. and J.R. Stauffer, Jr. (eds.) Distribution, biology and management of exotic fishes. John Hopkins University Press, Baltimore. |
| Ref. | 1995 Crossman, E.J., 1984 |
| Page | 90 |
| Named Used as Valid | Xiphophorus helleri |
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