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Filopaludina sumatrensis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA MOLLUSCA GASTROPODA ARCHITAENIOGLOSSA VIVIPARIDAE

Scientific Name: Filopaludina sumatrensis
Species Authority: (Dunker, 1852)
Taxonomic Notes:

Brandt (1974) described various subspecies of Filopaludina sumatrensis (Dunker, 1852); F. sumatrensis speciosa, F. sumatrensis polygramma, and F. sumatrensis peninsularis. According to Brandt this species was first described from Sumatra and later also from Java, Malaysia, Indochina and Thailand under synonyms. Though the continental taxa seem to be closely related to the Indonesian type form, Brandt (1974) found it more convenient to treat the continental taxa under different names. Here we assess the nominate species until further taxonomic study resolves uncertainty. He also mentions intermediate morphs between F. sumatrensis polygramma and F. sumatrensis speciosa and between the type form and continental taxa.

Molecular as well as morphological studies will help to clarify the phylogenetic status of concerning taxa.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2010-07-27
Assessor(s): Köhler, F., Sri-aroon, P. & Simonis, J.
Reviewer(s): Seddon, M., Burch, J. & Allen, D.
Justification:
The species has a wide range and is considered Least Concern. The identity and distributions of specimens from throughout the species' range requires further study.

Geographic Range [top]

Range Description:

The subspecies F. s. speciosa is known from much of eastern and southern Thailand (provinces of Khon Kaen, Kalasin, Mahasarakam, Roi Ett, Nakon Panom, Ubon, Buriram, Surin, Sri Saket, Chantaburi, Prachinburi, Nakhon Si Thammarat, Phattalung, Songkhla, Yala, Pattani, and Narathiwat), Lao PDR, Cambodia and northern Viet Nam. F. s. polygramma is known from central and southern Thailand and Yangon and southern Myanmar. F. s. peninsularis is known from a few localities in southern Thailand (Brandt 1974, Sri-aroon et al. 2007), Malaysia and Singapore (Tan and Woo 2010).

Most records from Malaysia refer to other species (Brandt 1974), however the species is present in Peninsular Malaysia and Indonesia (Sumatra; type locality). Further work is required to confirm the identity of specimens from throughout its range.

Countries:
Native:
Cambodia; Indonesia (Sumatera); Lao People's Democratic Republic; Malaysia (Peninsular Malaysia); Myanmar (Myanmar (mainland)); Singapore; Thailand; Viet Nam
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: No information available.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology:

The subspecies F. s. speciosa is predominantly fluviatile, but it is also found in still water.

Several cercariae of unidentified trematodes have been obtained in this species and it serves as an important intermediate host for representatives of the trematode family, as it is generally infected with metacercariae of Echinostomatidae. It can cause also Angiostrongyliasis.

Systems: Freshwater

Use and Trade [top]

Use and Trade: This species serves as food in some areas.

Threats [top]

Major Threat(s): Although likely to be threatened in parts of its range, the threats are not thought to be widespread.

Conservation Actions [top]

Conservation Actions: Surveys are required to confirm the distribution and taxonomic status of specimens from through its range.

Citation: Köhler, F., Sri-aroon, P. & Simonis, J. 2012. Filopaludina sumatrensis. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 25 October 2014.
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