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It is known to occur in any of freshwater body, natural or man-made, as long as it is warm, above 28.5ºF, and deep enough to submerge itself completely. They can, on occasion, inhabit brackish waters and leave the water to warm in the sun on shores. In Puerto Rico, caimans have established in rural, suburban, and urban settings. In Manaus city, Central Amazonia, it is common and nesting along small urban polluted streams (R. \r\nDa Silveira, pers. Comm., January 2011). They are highly adaptable to new environments and readily colonize newly formed waters.
Principal source: Somma, 2008. USGS Nonindigenous Aquatic Species (NAS): Caiman crocodilus (Linnaeus, 1758);
Gulf States Marine Fisheries Commission (GSMFC) Non-Native Aquatic Species in the Gulf of Mexico and South Atlantic Regions: Caiman crocodilus (Linnaeus);
Crocodilian Biology Database, 2002. Caiman crocodilus (LINNAEUS, 1758) hosted by the IUCN SSC Crocodile Specialist Group
Velasco, A. & Ayarzagüena, J. 2010. Spectacled Caiman crocodilus. In S.C. Manolis and C. Stevenson (Eds). Crocodiles. Status Survey and Conservation Action Plan (pp. 10-15). Crocodile Specialist Group: Darwin.
Compiler: National Biological Information Infrastructure (NBII), Felix A. Grana Raffucci, Technical Advisor, Puerto Rico Department of Natural & Environmental Resources & IUCN SSC Invasive Species Specialist Group (ISSG)
Ronis Da Silveira, Departamento de Biologia, Instituto de Ci�ncias Biol�gicas, Universidade Federal do Amazonas & Boris Marioni, Instituto Piaga�u, Coordinator of Caiman Project
Publication date: 2011-01-18
Recommended citation: Global Invasive Species Database (2020) Species profile: Caiman crocodilus. Downloaded from http://iucngisd.org/gisd/species.php?sc=1206 on 23-01-2020.