| Citation | Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991, World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada.. Am. Fish. Soc. Spec. Publ. (21):243 p. |
| Ref. | 4537 Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991 |
| Page | 89 |
| Named Used as Valid | Xiphophorus pygmaeus |
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