| Citation | Riehl, R. and H.A. Baensch, 1991, Aquarien Atlas. Band. 1.. Melle: Mergus, Verlag für Natur-und Heimtierkunde, Germany. 992 p. |
| Ref. | 1672 Riehl, R. and H.A. Baensch, 1991 |
| Page | 612 |
| Named Used as Valid | Xiphophorus pygmaeus |
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