A Report on Introduced Amazon Sailfin Catfish, Pterygoplichthys pardalis in Gombak Basin, Selangor, with Notes on Two Body Patterns of the Species

Saba, Abdulwakil Olawale; Rasli, Nor Fariza; Ismail, Ahmad; Zulkifli, Syaizwan Zahmir; Ghani, Intan Faraha A.; Muhammad-Rasul, Abdullah Halim; Amal, Mohammad Noor Azmai

doi:10.47836/pjtas.43.4.19

Cited by 11 publications

(12 citation statements)

References 18 publications

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“…In this study, the presence of P. disjunctivus 'type B'. The same finding has been reported by Saba et al (2020), with the presence of the new body pattern of Pterygoplichthys pardalis 'type B' in Pusu River, Gombak basin Malaysia [10]. The presence of the new body pattern type could be resulted from the hybridization of P. pardalis and P.disjunctivus, or could it be another variation of these two species.…”

Section: Resultssupporting

confidence: 82%

“…In several research papers, two species of Pterygoplichthys were reported found in Malaysia. The populations of P. pardalis were found in Langat river, Selangor, Perak river, Perak [8], Muar river, Negeri Sembilan [4], Gombak river, Selangor [9] and population were established in Pusu river, Selangor where at least two species of Pterygoplichthys thrive well: Pterygoplichthys pardalis and P.disjunctivus [10].…”

Section: Resultsmentioning

confidence: 99%

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Invaders of Langat River: Introduction of varied vermiculated sailfin catfish, Pterygoplichthys disjunctivus

Prakash

Mohamed

Azmai

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Globally and locally, invasive aquatic species pose a major threat towards aquatic ecosystems. Among the most successful of these aquatic invaders in Malaysian freshwater river systems is the vermiculated sailfin catfish or Pterygoplichthys disjunctivus. The study is conducted in Langat River, a subsidiary of the Selangor River basin which flows through the capital and high population density areas of the country. The impact of the species can be seen through its overpopulation and high density in the river due to the absence of natural predators and extremely high fecundity. This study provides the first report on the occurrence of introduced vermiculated sailfin catfish, P. disjunctivus, from Langat River, where the P. pardalis had been previously reported. In this study, random sampling exercises were conducted by using gill nets in a stretch of the Langat River. Out of 24 samples of Pterygoplichthys obtained, 11 were of P. pardalis. This was further confirmed by the morphometric and meristic characters as well as the patterns on the fish. Furthermore, during the sampling, we also described a new body pattern Pterygoplichthys, which does not fit both P. pardalis and P. disjunctivus entirely. The new body pattern of Pterygoplichthys, could be the result of hybridization between both species or variation patterns within the same species. However, a deeper study is necessary to be conducted to confirm this claim.

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Section: Resultssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Invaders of Langat River: Introduction of varied vermiculated sailfin catfish, Pterygoplichthys disjunctivus

Prakash

Mohamed

Azmai

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…The sailfin catfish species is one of the alien species living in Tempe Lake in South Sulawesi, Indonesia (Febrianti et al 2019). Sailfin catfish is considered invasive species that compete with native species for both food and habitat (Saba et al 2020). The sailfin catfish has come to dominate the fish population in the lake; in addition to ecosystem impacts, there has been a significant reduction in the populations of other (native) fish species, some of which are no longer found (Chaicana and Jongphadungkiet 2012).…”

Section: Introductionmentioning

confidence: 99%

“…The sailfin catfish has come to dominate the fish population in the lake; in addition to ecosystem impacts, there has been a significant reduction in the populations of other (native) fish species, some of which are no longer found (Chaicana and Jongphadungkiet 2012). This situation has also resulted in a decrease in the income and welfare of local fishers in Tempe Lake, as 70% of the catch is dominated by sailfin catfish (Saba et al 2020). Sailfin catfish have become dominant because, unlike most other fish species in the lake, they are not exploited either by commercial fisheries or for subsistence as a source of nutrition.…”

Section: Introductionmentioning

confidence: 99%

Species determination and heavy metal content of sailfin catfish (Pterygoplichthys pardalis) from Tempe Lake, South Sulawesi, Indonesia

et al. 2022

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Abstract. Kasmiati, Latuconsina N, Putri AA, Khasanah R, Nurfaidah, Fahrul, Syahrul, Metusalach. 2022. Species determination and heavy metal content of sailfin catfish (Pterygoplichthys pardalis) from Tempe Lake, South Sulawesi, Indonesia. Biodiversitas 23: 4409-4417. Sailfin catfish is invasive alien species that has become dominant in Indonesian freshwater, including in Tempe Lake, South Sulawesi, Indonesia. Despite their abundance, these sailfin catfish are not utilized because of suspicions that they are contaminated by heavy metals that can endanger human health. The purposes of this study were to determine the sailfin catfish species present in Tempe Lake and measure the content of heavy metals Hg, Pb, and Cd in various body parts. Fish species were identified based on abdominal patterns, while heavy metal content was meaured by atomic absorption. The heaviest two body parts were the head (34.04%) and flesh (26.64%), heavy metal content detected in the liver (0.0402-0.0928 mg/kg), gut (0.0322-0.0671 mg/kg), gills (0.319-0.0865 mg/kg), dark meat (0.0268-0.0589 mg/kg), white meat (0.0221-0.0470 mg/kg), bones (0.0180-0.0519 mg/kg), and skin/scales (0.0257-0.0675 mg/kg). All of them were below the FAO/WHO 1989, US-EPA 1999, and the Indonesian National Standards. The government health and safety guidelines for fish to be safe for human consumption were Hg <0.005 mg/kg, Pb<0.10 mg/kg and Cd<0.02 mg/kg. Therefore the abundant sailfin catfish Pterygoplichthys pardalis in Tempe Lake could be consumed directly and as ingredients in other food products.

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“…In Malaysia, alien fishes such as tilapia ( Oreochromis sp. ), sailfin catfishes ( Pterygoplichthys pardalis and Pterygoplichthys disjunctivus ), and guppy ( Poecilia reticulata ) have been reportedly introduced both intentionally and inadvertently for different purposes [ 3 , 25 , 26 ]. Therefore, alien fishes are present and, in some cases, have established breeding populations in the inland waters of this country [ 27 ].…”

Section: Introductionmentioning

confidence: 99%

Invasion Risk and Potential Impact of Alien Freshwater Fishes on Native Counterparts in Klang Valley, Malaysia

Saba

Ismail

Zulkifli

et al. 2021

Animals

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This study explores the potential effects of alien fishes on the native fish community, well-being, and tropic preferences in selected rivers of Klang Valley, Malaysia. Following the Aquatic Species Invasiveness Screening Kit assessment, most of the alien fishes (80%) are invasive. The alien species occurrences correlated positively (p < 0.05) with poor water quality, such as rivers with high ammonia-nitrogen and nitrite, but negatively with phosphate and dissolved oxygen. Anthropogenic characteristics, such as rivers with high pollution levels and ease of accessibility to the fish habitat, are mainly associated positively (p < 0.05) with the occurrences of alien fish species. In general, the results of fish stomach contents analyses and their associated indices, together with stable carbon and nitrogen isotopes, revealed domination by alien fishes or diet overlaps between both alien and native fish species. This finding indicates that alien fishes benefited from the impacts of the anthropogenic activities in their surrounding habitats, while their plasticity in feeding habits might help them to invade, survive, and dominate in the rivers of Klang Valley, Malaysia.

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A Report on Introduced Amazon Sailfin Catfish, Pterygoplichthys pardalis in Gombak Basin, Selangor, with Notes on Two Body Patterns of the Species

Cited by 11 publications

References 18 publications

Invaders of Langat River: Introduction of varied vermiculated sailfin catfish, Pterygoplichthys disjunctivus

Invaders of Langat River: Introduction of varied vermiculated sailfin catfish, Pterygoplichthys disjunctivus

Species determination and heavy metal content of sailfin catfish (Pterygoplichthys pardalis) from Tempe Lake, South Sulawesi, Indonesia

Invasion Risk and Potential Impact of Alien Freshwater Fishes on Native Counterparts in Klang Valley, Malaysia

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