top of page

Peer reviewed

  • Cruz-Rosa, S., & Pérez-Reyes, O. (2023). Titanium Oxide Nanoparticles as Emerging Aquatic Pollutants: An Evaluation of the Nanotoxicity in the Freshwater Shrimp Larvae Atya lanipes. Ecologies, 4(1), 141-151.

  • Torres-Perez, W. X., & Perez-Reyes, O. (2023). Population Status of the Tropical Freshwater Shrimp Xiphocaris elongata in Urban and Forest Streams in Puerto Rico. Hydrobiology, 2(1), 277-288.

  • Torres-Pérez, W. X., & Pérez-Reyes, O. (2023). Effect of Particle Size and Pesticide Contamination on Preference and Ingestion Rates by the Tropical Freshwater Shrimp Xiphocaris elongata. Open Journal of Ecology, 13(4), 183-198.

  • Cruz-Rosa, S., & Pérez-Reyes, O. (2023). Neurotoxicity and Oxidative Stress Development in Adult Atya lanipes Shrimp Exposed to Titanium Dioxide Nanoparticles. Toxics, 11(8), 694.

  • Gutierrez-Fonseca, P.E., Ramirez, A., Pringle, C.M., Torres, P.J., McDowell, W.H., Covich, A., Crowl, T.A., Pérez-Reyes, O. (2019). When the rainforest dries up: Drought effects on a tropical rainforest stream in Puerto Rico, Freshwater Biology 39 (2), 197-212

  • Pérez-Reyes, O., Crowl, T. A., & Covich, A. P. (2016). Comparison of decapod communities across an urban-forest land use gradient in Puerto Rican streams. Urban Ecosystems, 1-23.

  • Pérez-Reyes, O., Crowl, T. A. and Covich, A. P. (2015), Effects of food supplies and water temperature on growth rates of two species of freshwater tropical shrimps. Freshwater Biology, 60: 1514–1524. doi:10.1111/fwb.12584

  • Perez-Reyes, O., Crowl, T.A., Hernández-García, P., Ledesma-Fuste, R., Villar-Fornes, F.A.,Covich, A.P. (2013). Freshwater decapods of Puerto Rico: a checklist and reports of new localities. Zootaxa 3717 (3): 329–344.

  • Ramírez, A., Engman, A., Rosas, K. G., Pérez-Reyes, O., & Martinó-Cardona, D. M. (2012). Urban impacts on tropical island streams: some key aspects influencing ecosystem response. Urban Ecosystems, 15(2): 315-325.

  • Pérez-Reyes, O., Brunson, M. Crowl, T. A. and Covich, A.P. (2011). Living in a watershed. Network News Fall 2011: Vol 24: 2.

Books

  • Wehrtmann,I.S., Ramírez,A., & Pérez-Reyes, O. (2016). Freshwater decapod diversity and conservation in Central America and the Caribbean. In T. Kawai and N. Cumberlidge (Eds.), A Global Overview of the Conservation of Freshwater Decapod Crustaceans. Springer, Swizerland 267-301

Presentations

  • Covich. A.P., T. Crowl, O. Perez-Reyes, R. Santos, J.N. Bithorn, and S. Matta. (2022).Effects of severe drought on tropical rainforest streams: Impacts on freshwater shrimp in Puerto Rico. Frontiers in Hydrology Conference, American Geophysical Union, San Juan, PR.

  • Cruz Rosa, S & O. Perez-Reyes. Atya lanipes shrimp Zoea I larvae as a biological model for the neurotoxicity assessment of Titanium Oxide nanoparticles. Ecology Across Borders (2021). British Ecological Society, Liverpool, UK

  • Cruz Rosa, S & O. Perez-Reyes. ACS and PRLSAMP Junior Technical Meeting; 2022. UPR Humacao, Puerto Rico.

  • Santos-Crespo, M & O. Perez-Reyes Behavior of after exposure to the insecticide Thiamethoxam Ecology Across Borders (2021) British Ecological Society, Liverpool, UK

  • Santos-Crespo, M & O. Perez-Reyes How does the behavior of freshwater change after the exposure to an insecticide? ACS and PRLSAMP Junior Technical Meeting; (2022). UPR Humacao, Puerto Rico.

  • Pérez, R & Pérez-Reyes, O. Urban stream pollution effect on the larvae of diadromous fish Eleotris pisoni. Ecology Across Borders (2021). British Ecological Society, Liverpool, UK.

  • Gutierrez-Fonseca, P.; Ramirez, A.; Pringle, C.; Torres, P.; Covich, A.; Crowl, T.; McDowell, W.; Ballantyne, F.; O. Perez-Reyes (2019). Ecological response of stream ecosystems to extreme climate events in Puerto Rico. ASLO

  • Covich, A.P., C. Yang, T.A. Crowl, O. Perez-Reyes , and O. Santos. 2019. On the value of decapod diversity and life histories in comparing water quality in tropical headwater streams. Annual Meeting, Society for Freshwater Science, Salt Lake City, Utah.

  • Covich, A.P., T.A. Crowl, and O. Perez-Reyes (2019). Changing ecosystem services following short-term and long-term cumulative effects of drought and hurricane disturbances: The role of freshwater shrimp in maintaining water quality in the Luquillo Mountains, Puerto Rico. Annual Meeting of Association for the Science of Limnology and Oceanography, San Juan, Puerto Rico. 

  • Santos, R.; Barrato-Velez, T.; Santos-Crespo, M.; O. Perez-Reyes, Covich, A.; Crowl, T. (2019) Integrating movement ecology into long-term ecological Monitoring: a feasibility study of acoustic Telemetry to measure shrimp movement in Tropical streams. ASLO

  • Covich, A.; Crowl, T.; O. Perez-Reyes. Changing Ecosystem services following short-term and long-term cumulative effects of Drought and hurricane disturbances: the Role of freshwater shrimp in maintaining Clear water in Luquillo mountain streams, Puerto Rico. ASLO

  • Torres-Pérez, W. & O. Perez-Reyes. (2019) Effect of urbanism On water quality and macroinvertebrate Communities in northeast region of Puerto Rico. ASLO

  • Pérez-Reyes, O., Crowl, T.A.,  Covich, A. (2016). Droughts and macroinvertebrate community responses in tropical streams in Puerto Rico. Ecological Society of America.

  • Pérez-Reyes, O., Crowl, T.A.,  Covich, A. (2015). Decapod communities under the effects of hurricanes, droughts and humans in neotropical streams. Ecological Society of America.

  • Crowl, T.A., O. Perez-Reyes , Briceno, H., Covich, A. (2015). Community organization and ecosystem response to anthropogenic impacts: Are subtropical, coastal rivers different? Ecological Society of America.

  • Covich, A., Crowl, T.A., O. Perez-Reyes , Hein, K. (2014). Predator-Prey Interactions and Spatial Refugia in Tropical Streams, Luquillo Mountains, Puerto Rico. Freshwater Society

  • Pérez-Reyes, O., Crowl, T., Covich, A. (2014). Climate change in a tropical stream: implications on the amphidromous life cycle. Freshwater Society

  • Covich, A., Crowl, T.A., O. Perez-Reyes , Hein, K. (2014). Predator-Prey Distributions in Tropical Streams, Luquillo Mountains, Puerto Rico. Predator-Prey Interactions Gordon Research Conferences

  • Torres, P. J., Mehring, A. S., Greathouse, E. A., Smith, K. L., Covich, A. P., Crowl, T. A., O. Perez-Reyes, McDowell, W. H., Ramírez, A., Pringle, C. (2013). Top-down control strength determines reach scale variability patterns of algal food resources: a long-term study of two tropical headwater streams, Puerto Rico. North America Benthological Society

  • Crowl, T.A.,O. Perez-Reyes , Covich, A.P. (2013). Understanding the complexity of physical and human interactions on tropical island water and ecosystem sustainability. Association for Tropical Biology and Conservation, Costa Rica

  • Pérez-Reyes, O., Crowl, T., Covich, A. (2013) Trophic relationships in natural and urban neo-tropical streams in Puerto Rico. North America Benthological Society

  • Pérez-Reyes, O., Crowl, T., Covich, A. (2012) Experimental and observational data on migration patterns, density and growth rates of Atya lanipes and Xiphocaris elongata in tropical streams in the Luquillo mountains, Puerto Rico. Congreso de Macroinvertabrados Acuaticos, Costa Rica

  • Pérez-Reyes, O., Crowl T.A. (2010) How are decapod populations influenced by urbanization? North America Benthological Society

  • Pérez-Reyes, O., Crowl, T.A. (2010) Comparisons of the decapod communities structure in urban and natural streams in Puerto Rico. Society of Integrative and Comparative Biology

  • Pérez-Reyes, O., Suárez, D., Rosa-Molinar, E. (2007) Neurosystematics of Atya and Anostraca. Society of Integrative and Comparative Biology

  • Sánchez-Cáceres, J.,& O. Perez-Reyes. (2007) Asiatic Freshwater Clam, (Curbicola fluminea)(O. F. Müller, 1774): Density, Distribution, Predation, Fecundity and Growth Rate in Puerto Rico. Society of Integrative and Comparative Biology

  • Hernández-García, P.,O. Perez-Reyes , Ramirez, A. (2007) Diversity and abundance of benthic aquatic insects among rivers in Puerto Rico. Society of Integrative and Comparative Biology

  • Rivera-Colom, Natalia M., Cuevas Padró, A., Ackerman , J. D., O. Perez-Reyes. (2007) The fragrance composition of a new sp. record in Puerto Rico. Society of Integrative and Comparative Biology

  • Ledesma-Fusté, R. J.,O. Perez-Reyes , Hernández-García, P., Thomas, R. (2007) Colonization and stratification patterns among web-building spider species along the banks of several rivers in Puerto Rico. Society of Integrative and Comparative Biology

  • Gomez-Carrasquillo, J. E., O. Perez-Reyes , Hernandez-García, P., Thomas, R. (2007). General diet of the exotic species Iguana iguana on North Puerto Rican mangrove. Society of Integrative and Comparative Biology

  • Hernández-Pasos, J., & O. Perez-Reyes (2007). Influences of environmental factors on egg sack production: progeny, developmental time and sexual ratio of Black widows Latrodectus mactans and L. geometricus in Puerto Rico. Society of Integrative and Comparative Biology

  • Pérez-Reyes, O., Hernández-García, P., Rosa-Molinar, E. (2006). The motor neurons innervating the pereiopods of Atya lanipes and Atya scabra. Society of Integrative and Comparative Biology

  • Pérez-Reyes, O., Muñoz P. M., Rivera, N. Renher, S. (2002). Observations of sipunculid species of Puerto Rico.  British Ecological Society, United Kingdom

  • Pérez-Reyes, O., Tirado, A. (1999). Differences in eggs size and clutch size of the prawn Atya lanipes. British Ecological Society, United Kingdom

  • Tirado, A.,& O. Perez-Reyes . (1999). Biological and pathological aspects of parasitism in the branchial chamber of Macrobrachium spp. by infestation with Probopyrus sp. British Ecological Society, United Kingdom

  • Ayala, E.J., & O. Perez-Reyes (1999). Density and sexual dimorphism in Poeciliids of Puerto Rico. British Ecological Society, United Kingdom

  • Pérez-Reyes, O. &, Tirado, A. (1997). Environmental effects on the fecundity in three Atya species

  • (Decapoda: Atyidae)( and . British Ecological Society, United Kingdom

  • Tirado, A.,& O. Perez-Reyes. (1997). Interactions between the parasite Probopyrus oviformis with its host Macrobrachium spp. (Decapoda: Palaemonidae). British Ecological Society, United Kingdom

bottom of page