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dc.contributor.authorHubilla, Marianne
dc.contributor.authorKis, Ferenc
dc.contributor.authorPrimavera, Jurgenne
dc.date.accessioned2019-09-12T06:26:18Z
dc.date.available2019-09-12T06:26:18Z
dc.date.issued2007-06-01
dc.identifier.citationHubilla, M., Kis, F., & Primavera, J. (2007). Janitor fish Pterygoplichthys disjunctivus in the Agusan Marsh: A threat to freshwater biodiversity. Journal of Environmental Science and Management, 10(1), 10-23.en
dc.identifier.issn0119-1144
dc.identifier.urihttp://hdl.handle.net/10862/3519
dc.description.abstractThe aim of this study is to verify reports on the presence of invasive alien catfish, known locally as janitor fish, including their possible impact on freshwater biodiversity in the Agusan Marsh, Northeastern Mindanao in southern Philippines. Morphological analysis, field sampling and questionnaire survey were conducted to determine the exact taxonomic status, habitat, distribution, and the population and size estimates of the fish. The results showed that the South American vermiculated sailfin catfish, Pterygoplichthys disjunctivus, a species earlier reported from Laguna Lake and nearby rivers in Luzon, northern Philippines, has invaded the Agusan Marsh. The exotic fish can be found in lakes, rivers and creeks of the municipalities of Talacogon, La Paz, Loreto, Bunawan, Rosario, San Francisco, Veruela and Sta. Josefa. They may also be present in upstream and downstream areas. Total catches of fishermen ranged from 0 to 146 individuals per fishing trip. Practical control measures to reduce the janitor fish population in the Agusan Marsh were discussed.en
dc.publisherUniversity of the Philippines Los Baños (UPLB)en
dc.subjectJanitor fishen
dc.subjectAgusan Marshen
dc.subjectinvasive alien speciesen
dc.titleJanitor fish Pterygoplichthys disjunctivus in the Agusan Marsh: A threat to freshwater biodiversityen
dc.typeArticleen
dc.citation.volume10
dc.citation.issue1
dc.citation.spage10
dc.citation.epage23
dc.citation.journalTitleJournal of Environmental Science and Managementen
dc.subject.scientificNamePterygoplichthys disjunctivusen


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