| A biological assessment of the aquatic ecosystems of the Pantanal, Mato Grosso do Sul, Brasil W PW RAP Bulletin of Biological Assessment, 2000 | 60 | 2000 |
| Distribution of arapaima (Arapaima gigas)(Pisces: Arapaimatidae) in Bolivia: implications in the control and management of a non-native population. G Miranda-Chumacero, R Wallace, H Calderón, G Calderón, P Willink, ... BioInvasions Record 1 (2), 2012 | 54 | 2012 |
| Fishes of three Bolivian rivers: diversity, distribution and conservation B Chernoff, AM Allison, P Willink, J Sarmiento, S Barrera, N Menezes, ... Interciencia 25 (6), 273-283, 2000 | 54 | 2000 |
| Quantifying the contribution of zoos and aquariums to peer-reviewed scientific research TL Loh, ER Larson, SR David, LS de Souza, R Gericke, M Gryzbek, ... Facets 3 (1), 287-299, 2018 | 53 | 2018 |
| Annotated checklist of the freshwater fishes of Suriname JH Mol, RP VaRi, R CoVain, P Willink, S FiSCH-MulleR Cybium, 2012 | 45 | 2012 |
| Stingray spine use and Maya bloodletting rituals: A cautionary tale HR Haines, PW Willink, D Maxwell Latin American Antiquity 19 (1), 83-98, 2008 | 40 | 2008 |
| A biological assessment of the aquatic ecosystems of the Upper Río Orthon basin, Pando, Bolivia B Chernoff, PW Willink Conservation International 15, 145, 1999 | 39 | 1999 |
| Amphibians and reptiles of selected localities in the southern Pantanal floodplains and neighboring Cerrado areas, Mato Grosso do Sul, Brasil C Strüssmann, CA Prado, M Uetanabaro, VL Ferreira, PW Willink, ... A Biological Assessment of the Aquatic Ecosystems of the Pantanal, Mato …, 2000 | 25 | 2000 |
| A biological assessment of the aquatic ecosystems of the Río Paraguay Basin, alto Paraguay, Paraguay B Chernoff, PW Willink, JR Montambault Conservation International, 2001 | 24 | 2001 |
| A new freshwater ariid (Otophysi: Siluriformes) from the Río Usumacinta Basin R Betancur-R, PW Willink Copeia 2007 (4), 818-828, 2007 | 21 | 2007 |
| A rapid biological assessment of the aquatic ecosystems of the Pastaza River Basin, Ecuador and Perú PW Willink, B Chernoff, J McCullough Conservation International, 2005 | 20 | 2005 |
| Inventory, relative abundance and importance of fishes in the Caura River Basin, Bolívar State, Venezuela A Machado-Allison, B Chernoff, F Provenzano, PW Willink, A Marcano, ... A biological assessment of the aquatic ecosystems of the Caura River Basin …, 2003 | 20 | 2003 |
| Fishes of the rios Negro, Negrinho, Taboco, Aquidauana, Taquari and Miranda, Pantanal, Brasil: diversity, distribution, critical habitats and value PW Willink, O Froehlich, OT Oyakawa, NA Menezes, A Machado-Alison, ... A biological assessment of the aquatic ecosystems of the Pantanal, Mato …, 2000 | 18 | 2000 |
| Connectivity of neotropical river basins in the central Guiana Shield based on fish distributions LS de Souza, JW Armbruster, PW Willink Frontiers in Forests and Global Change 3, 8, 2020 | 16 | 2020 |
| Diets, population structure, and seasonal activity patterns of mudpuppies (Necturus maculosus) in an urban, Great Lakes coastal habitat AM Beattie, MR Whiles, PW Willink Journal of Great Lakes Research 43 (1), 132-143, 2017 | 16 | 2017 |
| Range expansions and new drainage records for select Illinois fishes. JS Tiemann, CA Taylor, D Wylie, J Lamer, PW Willink, FM Veraldi, ... Transactions of the Illinois State Academy of Science 108, 2015 | 16 | 2015 |
| DIVERSITY AND ABUNDANCE OF FISHES AND HABITATS IN THE RIO TAHUAMANU AND RIO MANURIPI BASINS (BOLIVIA) DIVERSIDAD Y ABUNDANCIA DE PECES Y HABITATS EN LAS CUENCAS DE LOS RIOS … A Machado-Allison, J Sarmiento, PW Willink, B Chernoff, N Menezes, ... Acta Biologica Venezuelica 19 (1), 17-50, 1999 | 16 | 1999 |
| Harttia merevari, a new species of catfish (Siluriformes: Loricariidae) from Venezuela F Provenzano R, A Machado-Allison, B Chernoff, P Willink, P Petry Neotropical Ichthyology 3, 519-524, 2005 | 14 | 2005 |
| Aphyocharax yekwanae a new species of bloodfin tetra (Teleostei: Characiformes: Characidae) from Guayna Shield, Venezuela P Willink, B Chernoff, A Machado-Allison, F Provenzano, P Petri | 13 | 2003 |
| Ecological and geographical structure in assemblages of freshwater fishes in the Pantanal, Mato Grosso do Sul, Brasil B Chernoff, PW Willink Chapter 7, 82-97, 2000 | 13 | 2000 |
