| Key to species of Hydrolycus. |
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| Toledo-Piza, M., N.A. Menezes and G. Mendes dos Santos 1999. Revision of the neotropical fish genus Hydrolycus (Ostariophysi: Characiformes: Cynodontidae) with the description of two new species. Ichthyol. Explor. Freshwat. 10(3):255-280. Ref No [35435] Key No. [1135] |
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