Conservation Actions

Education and awareness efforts for local people on the importance of this and other species endemic to Lake Poso is ongoing. Population monitoring and invasive species control are recommended.

Location Information

This species is endemic to Lake Poso in central Sulawesi, Indonesia (Parenti 2008).

Population Information

There are records of this species from 1999, 2003 (Parenti 2008) and 2012 (Mokodongan and Yamahira 2015), while local people reported in late 2012 and late 2013 that 'bunting', a common name for fish species within Lake Poso, were still occasionally seen within the lake but at low abundances (Larson et al. 2014). Surveys conducted in 2017 failed to produce records of the fish. Local informants suggested that this may have more to do with timing of sampling than absence of the species (D.F. Mokodongan pers. comm. 2018). More surveys are necessary to determine population trajectory.

Threats

The primary threats to freshwater fish within Lake Poso are invasive alien species, eutrophication caused by pollution from multiple sources, and intensive fishing (Parenti and Soeroto 2004). The major threat to this species is likely intensive fishing at night using lamps, as this species is a sought after food fish for communities living around the lake. It is caught using modified nets in both row and motorboats (Gundo 2009, Gundo et al. 2016, D.F. Mokodongan pers. obs. 2012; 2017). Invasive species such as the Common Carp (Cyprinus carpio) and Nile Tilapia (Oreochromis niloticus) have been introduced into the lake for fishing activities, and may impact this species through predation, competition, and the transfer of disease and parasites (Parenti and Soeroto 2004). Lake Poso is also a clear water lake so it is sensitive to pollution from domestic waste and agricultural fertiliser run off (Parenti and Soeroto 2004). In 1983, volcanic and tectonic activities that occurred within the region are considered to have impacted several Lake Poso fish species. Local people reported large numbers of lake species being washed ashore in drifts, that may have been caused by gases being released within the lake (Larson 2001, Larson et al. 2014). Whilst this historic event is thought to have predominantly affected species that inhabit deeper waters in the middle of the lake, all species within the lake were likely impacted. If a similar event occurred in the future, it would pose an additional threat to this species, in combination with all other threats currently identified.

IUCN Red List Account Link

Please click here to see the species' IUCN Red List Account page.