Abstract

GONZALEZ GUTIERREZ, Rigoberto. The Amazon sailfin catfish Pterygoplichthys disjunctivus x pardalis (Siluriformes: Loricariidae) in Panamá. Cuadernos de Investigación UNED [online]. 2022, vol.14, n.2, pp.181-184. ISSN 1659-4266.  http://dx.doi.org/10.22458/urj.v14i2.4352.

Introduction: Despite having a rich and diverse native freshwater fish fauna, exotic species have been introduced to Panama since the 20th century. Objective: To report its presence in the fresh waters of Panama of a newly recorded exotic fish. Methods: Specimens were caught with gillnet in Gatun lake, on September 30, 2017. Results: Three specimens with average standard length and weight of 233mm and 307g, respectively, were identified as Pterygoplichthys disjunctivus x pardalis. This armored catfish, native to the Amazon basin, is breeding in Gatun and may threaten local species. Conclusion: The exotic fish Pterygoplichthys disjunctivus x pardalis has a reproductive population in Gatun Lake, Panama.

Keywords : First record; exotic fish; amazon catfish; Gatun Lake; Panama..

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