Macrobrachium crenulatum (Spanish common name: camarón bocúBosques de Puerto Rico: Bosque Estatal de Toro Negro. Hojas de Nuestro Ambiente. July 2008. [Publication/Issue: P-030] Puerto Rico Department of Natural and Environmental Resources. Retrieved 24 September 2013.Summary Findings Fishermen Focus Group – Loiza, Puerto Rico. Armando González-Cabán, USDA Forest Service, Pacific Southwest Research Station, Forest Fire Laboratory, 4955 Canyon Crest Drive, Riverside, CA 92507; J. Felipe Blanco, Ecology Center, Utah State University Logan and Institute of Ecology, University of Georgia Athens; Catherine L. Hein, Utah State University, Western Rural Development Center, 8335 Old Main Hill, Logan, Utah 84322-8335. Retrieved 24 September 2013.) is an amphidromous freshwater shrimp of the Palaemonidae family in the Decapoda order.Macrobrachium crenulatum . Encyclopedia of Life. Retrieved 24 September 2013. It is found in lowland rivers and streams from Panama to Venezuela, as well as on several Caribbean islands. The species is common in the Toro Negro State Forest in central Puerto Rico. Studies have shown that the species have higher sensitivity to environmental, hydrological and chemical factors than other crustaceans also studied and which affect its migratory patterns.
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