Research Article
Research Article
A preliminary checklist of the freshwater snails of Sabah (Malaysian Borneo) deposited in the BORNEENSIS collection, Universiti Malaysia Sabah
expand article infoTing Hui Ng§, Jasrul Dulipat|, Junn Kitt Foon|, Manuel Lopes-Lima, Alexandra Zieritz#, Thor-Seng Liew|
‡ Chulalongkorn University, Bangkok, Thailand
§ National University of Singapore, Singapore, Singapore
| Universiti Malaysia Sabah, Kota Kinabalu, Malaysia
¶ Universidade do Porto, Vairão, Portugal
# University of Nottingham Malaysia Campus, Semenyih, Malaysia
Open Access


Sabah, a Malaysian state at the north-eastern tip of Borneo, is situated in one of the Earth’s biodiversity hotspots yet its freshwater gastropod diversity remains poorly known. An annotated checklist of the freshwater gastropods is presented, based on specimens deposited in the BORNEENSIS collection of the Institute for Tropical Biology and Conservation at Universiti Malaysia Sabah, Malaysia. A KMZ file is also provided, which acts as a repository of digital images and complete collection data of all examined material, so that it can be shared and adapted to facilitate future research.


Diversity, Kalimantan, Mollusca, non-marine gastropods, North Borneo, Sarawak


Mollusca is the second most diverse animal phylum after Arthropoda, and nearly 4000 species of gastropods have been described from freshwater habitats alone (Strong et al. 2008). Freshwater gastropods achieve the highest diversity and endemism in tropical South-east Asia which includes the ancient lakes of Sulawesi (Indonesia) and Inle (Myanmar), as well as large river systems like the Mekong river basin (Strong et al. 2008). However, the total number of known species might represent only half of the species diversity, and many species remain to be discovered and described (Lydeard et al. 2004). In addition, although the IUCN conservation status has been assessed for only approximately 10% of these known species, freshwater gastropods account for 20% of recorded mollusc extinctions (Lydeard et al. 2004, Strong et al. 2008).

Although the number of extinct molluscs recorded in Asia is far less than other regions (Régnier et al. 2009), it may not reflect the reality that Asian malacofauna face a vast variety of threats (Köhler et al. 2012). Rather, this paradox is more likely due to the expertise and knowledge of freshwater gastropod being biased towards other regions (Bouchet 1997, Cuttelod et al. 2011, Johnson et al. 2013). Despite the high diversity of freshwater molluscs in South-east Asia, research involving freshwater snails has been mainly concentrated on the field of medical malacology, with most of the focus being on the zoonotic parasites hosted by these snails (e.g., Lim et al. 1976, TROPMED Medical Group 1986). As a result, little else is known about the molluscan hosts themselves. Seminal work done by van Benthem Jutting (e.g., 1956, 1959) and Brandt (1974) provided the most comprehensive insights into the diversity and distribution of freshwater molluscs in Indonesia, parts of Peninsular Malaysia, and Thailand. Decades later little progress has been made to update the information, where large knowledge gaps remain in the biodiversity, ecology and physiology of South-east Asian freshwater molluscs (Köhler et al. 2012).

Borneo, the third largest island in the world, is regarded as one of the Earth’s biodiversity hotspots because of its high species richness and endemism and its highly threatened habitats (Myers et al. 2000). The overall diversity of freshwater gastropods in Borneo, however, remains poorly known compared to the rest of South-east Asia. Previous faunistic studies recorded not more than 30 freshwater gastropod species from Borneo (Issel 1874, Bock 1881, Aldrich 1889, von Martens and Thiele 1908, Solem 1964, Hill et al. 1997, Köhler and Glaubrecht 2002, Shabdin 2010, Ng et al. 2015a). In contrast, more than 300 freshwater gastropod species have been recorded in Indochina (Thailand, Myanmar, Laos, Cambodia) (Brandt 1974, Köhler et al. 2012) and from areas much smaller than Borneo. For example, in Java, more than 60 species are known (Marwoto et al. 2011) and in Singapore, around 20 species have been recorded (Clements et al. 2006, Tan et al. 2012, Ng et al. 2014, 2015b, 2016a, 2016b, 2016c).

In Borneo and particularly in the northern Malaysian state of Sabah (Figure 1), a complete species list that is based on primary data (i.e., based on accessible museum collections) does not exist. Previous studies of selected freshwater snails that focused on Sabah were limited to a few ecological (Supian and Ikhwanuddin 2002), parasitic (Lim et al. 1976), and pest control studies (Teo 2001, 2003, 2004). Presently, the task of identifying freshwater gastropods is complicated by the difficulty in obtaining comparative material from these past studies. Hence, an annotated checklist is provided for the freshwater gastropods in Sabah as a baseline framework and an identification tool for future studies. Instead of compiling species listed in previous studies or from unverifiable museum material, this checklist is based solely on the specimens collected from Sabah which are deposited in the BORNEENSIS collection of the Institute for Tropical Biology and Conservation at Universiti Malaysia Sabah, Malaysia.

All the specimens were catalogued using the BORNEENSIS Mollusca Collection in-house database, under the prefix of BOR/MOL #### to serve as stable specimen identifiers for future interrogation (e.g. Page 2016). In addition to the species list and representative images for each species, we also created a KMZ file as a repository of digital images and complete collection data of all the examined materials. All the specimen data are published under Creative Common license CC BY 4.0 so that it can be shared and adapted to facilitate future research (Meier and Dikow 2004, Miller et al. 2015). As the collection is based on a small number of surveys, this checklist is not a complete checklist for Sabah freshwater gastropods but it serves as a starting point to explore the diversity and taxonomy of freshwater gastropods not only in Sabah, but also for the rest of Borneo.

Materials and methods

The freshwater gastropods deposited in the BORNEENSIS collection, Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Malaysia (BOR/MOL), presently consists of 49 dry collection lots and 76 wet collection lots. A total of 849 specimens (between 1 and 59 specimens per lot) were examined. Approximately half of the collection lots were collected in 2016 by J. Dulipat, A. Zieritz, M. Lopes-Lima and T.S. Liew, whereas the rest were collected between 1997 and 2014. Most of the collections were made on the west coast of Sabah (Figure 1). The majority of the specimens were collected opportunistically and picked by hand and it is likely that smaller species were missed.

Figure 1. 

Map of Sabah with districts, major rivers and locations of the examined specimens (red dots). Inset shows the location of Sabah in South-east Asia.

Identification was done to species level based on the shell morphology by referring to H. Adams (1874), A. Adams (1885), Smith (1894, 1895), von Martens and Thiele (1908), van Benthem Jutting (1956), Brandt (1974), and Tan et al. (2012). Synonymy follows Brandt (1974), Köhler and Glaubrecht (2001), Glaubrecht et al. (2009), Cowie (2015), and Eichhorst (2016). Distribution of each species in the checklist was summarised from the collection information, some of which contain words in the Malay language – pulau: island, gua: cave, sungai: river. The exact GPS coordinates for each collection lot was specified. If no exact GPS coordinates were available for a collection lot, approximate GPS coordinates were determined based on available locality information. Representative specimens of each of the collection lots were photograph using a single-lens reflex camera. Lastly, a KMZ file was created which consists of a main KML file and a supporting folder with all the photographs taken from each collection lot.

Results and discussion

In total, 18 species were identified, from 14 genera and nine families of freshwater gastropods, including four non-native species. Their details are provided in the checklist below. The number of species recorded in this list is similar to that of Singapore (20 species), which has a much smaller landmass compared to Sabah (Clements et al. 2008, Ng et al. 2014, 2015, 2016b, 2016c). As such, it is clear that this list represents only a small fraction of the total freshwater gastropod diversity in Sabah which, together with bivalves, have been estimated to be 100 species (Solem 1964). Nevertheless, this checklist presents complete specimen information (Suppl. materials 1 and 2) for nearly two-thirds of previously known taxa in Borneo (Issel 1874, von Martens and Thiele 1908, Solem 1964, Hill et al. 1997, Shabdin 2010, Ng et al. 2015a).



Genus Pila Röding, 1798

Pila ampullacea (Linnaeus, 1758)

Figure 2A


Helix ampullacea Linnaeus, 1758; Ampullaria sumatrensis Philippi, 1851; Ampullaria magnifica Philippi, 1852; Ampullaria turbinis Lea, 1856; Ampullaria ampullacea var. javensis Nevill, 1885; Ampullaria turbinis var. subglobosa Nevill, 1885; Ampullaria turbinis var subampullacea Nevill, 1885; Ampullaria dalyi Blanford, 1903; Pachylabra turbinis race lacustris Annandale, 1920.

Figure 2. 

A–C Family Ampullariidae. A Pila ampullacea (Linnaeus, 1758) – BOR/MOL 8673 B Pila scutata (Mousson, 1848) – BOR/MOL 1758. C Pomacea sp. – BOR/MOL 1759 D–E Family Nassariidae D Clea bangueyensis EA Smith, 1895 – BOR/MOL 3397 E Clea sp. – BOR/MOL 8304 F–I Family Neritidae F Neritina pulligera (Linnaeus, 1767) – BOR/MOL 6705 G Septaria porcellana (Linnaeus, 1858) – BOR/MOL 8292 H Vittina coromandeliana (Sowerby, 1836) – BOR/MOL 8303. I Vittina variegata (Lesson, 1831) – BOR/MOL 6723 J–K Family Pachychilidae: Sulcospira pageli (Thiele, 1908) J BOR/MOL 1753 K BOR/MOL 3394. Scale bars 10 mm.

Material examined

BOR/MOL3378, BOR/MOL3773, BOR/MOL3775, BOR/MOL8671, BOR/MOL8673, BOR/MOL8675, BOR/MOL8708.

Distribution and habitat

Labuan, along the north-west coast of Sabah from Kota Belud, Kota Kinabalu, Penampang, to Papar, and in the interior town of Nabawan. Habitats include freshwater and mangrove swamps, ponds, and rivers.


This species was purchased on two separate occasions (BOR/MOL3773, BOR/MOL8708), ten years apart, from the same native market in Penampang.

Pila scutata (Mousson, 1848)

Figure 2B


Ampullaria conica W. Wood, 1828; Ampullaria orientalis Philippi, 1849; Ampullaria borneensis Philippi, 1852; Ampullaria lubrica Reeve, 1856; Ampullaria vittata Reeve, 1856; Ampullaria complicata Reeve, 1856; Ampullaria stoliczkana Nevill, 1877; Ampullaria wellesleyensis de Morgan, 1885; Pachylabra javanica var. fruhstorferi Kobelt, 1912; Pachylabra (lubrica var.?) quadrasi Kobelt, 1912.

Material examined


Distribution and habitat

The single specimen was collected from a limestone hill in the Lower Kinabatangan valley.


The species has previously been recorded from Tuaran and appeared to have been eaten by local communities (Lim et al. 1976).

Genus Pomacea Perry, 1810

Pomacea sp.

Figure 2C

Material examined

BOR/MOL537, BOR/MOL1759, BOR/MOL8672, BOR/MOL8711.

Distribution and habitat

Along the north-western coast from Kota Marudu to Kota Kinabalu and Tenom, and in the interior at Keningau. Habitats include freshwater swamps, rivers, and drains.


Ampullariids of the genus Pomacea originate from South America and are globally-invasive, causing widespread damage to paddy fields in South-east Asia (Joshi and Sebastian 2006). The harm brought about by Pomacea prompted various studies to control their spread, including in Sabah (Teo 2001, 2003, 2004). Pomacea canaliculata was first recorded from the state in 1992 (Yahaya et al. 2006), and has previously been found in paddy fields in Tuaran, Tambunan and Keningau (Teo 2004). Another species, the morphologically similar Pomacea maculata, has been widely introduced to South-east Asia (Hayes et al. 2008, 2012) and may also be established in Sabah. However, fresh materials were unavailable to confirm the identity of Pomacea from Sabah using molecular methods, which are the best for distinguishing between the species (Matsukura et al. 2013).

Family NASSARIIDAE Iredale

Genus Clea H Adams & A Adams, 1855

Clea bangueyensis EA Smith, 1895

Figure 2D

Material examined

BOR/MOL552, BOR/MOL553, BOR/MOL554, BOR/MOL1762, BOR/MOL3105, BOR/MOL3385, BOR/MOL3396, BOR/MOL3397, BOR/MOL3595, BOR/MOL6719, BOR/MOL8676.

Distribution and habitat

From northern to eastern Sabah: Kinabalu Park, Danum Valley, Tabin Wildlife Reserve, Kunak, and Tawau, and in the interior in Nabawan and Keningau. Collected from rivers and streams, some in the vicinity of limestone hills.


This species was first described from Pulau Banggi, off the north-east coast of Sabah.

Clea sp.

Figure 2E

Material examined

BOR/MOL8293, BOR/MOL8304, BOR/MOL8312, BOR/MOL8700.

Distribution and habitat

Found from two localities close to Kota Kinabalu, rivers on the offshore island of Pulau Gaya, and Kiansom forest, approximately 20km from the city.


This species lacks the spiral striae of Clea bangueyensis and lacks the transverse striae of Clea nigricans A Adams, 1885, which was described from the neighbouring state of Sarawak (Adams 1885).

Family NERITIDAE Rafinesque

Genus Neritina Lamarck, 1816

Neritina pulligera (Linnaeus, 1767)

Figure 2F


Neritina rubella Müller, 1774; Neritina oculus Röding, 1798; Nerita rossmassleriana Récluz, 1846; Neritina larga Hombron & Jacquinot, 1848; Neritina brandti Philippi, 1849; Neritina pulligera subcanalis Mousson, 1865; Neritina subcanalis Mousson, 1870; Neritina sulcata Tennison-Woods, 1878; Neritina sumatrana Dautzenberg, 1899.

Material examined

BOR/MOL6705, BOR/MOL6713, BOR/MOL7929, BOR/MOL8294, BOR/MOL8298, BOR/MOL8301, BOR/MOL8308, BOR/MOL8311.

Distribution and habitat

Labuan. The south-east in Tawau, and the north-west on Pulau Gaya and from Kota Kinabalu.


This species is generally found in clear, coastal freshwater streams and rivers from Okinawa, and south through South-east Asia and Australasia (van Benthem Jutting 1956, Brandt 1974, Eichhorst 2016).

Genus Septaria Férrusac, 1807

Septaria porcellana (Linnaeus, 1858)

Figure 2G


Navicella aponogetonis Vahl, 1795; Sandalium pictum Schumacher, 1817; Navicella suborbicularis Sowerby, 1825; Navicella depressa Lesson, 1831; Navicella zebra Lesson, 1931; Navicella gaimardi Récluz, 1841; Navicella quoyi Récluz, 1841; Navicella affinis Mousson, 1865; Navicella fissa Mousson, 1869; Navicella haustrum Reeve, 1856; Navicella orbicularis Reeve, 1856; Navicella squamata Dohrn, 1858; Navicella pulcherrima Tapparone-Canefri, 1883.

Material examined

BOR/MOL8292, BOR/MOL8302, BOR/MOL8307.

Distribution and habitat

All lots were collected from rivers of Pulau Gaya, off the coast of Kota Kinabalu.


This species is widespread in coastal freshwater streams, rivers and lakes from Sri Lanka to Australasia (van Benthem Jutting 1956, Eichhorst 2016).

Genus Vittina HB Baker, 1924

Vittina coromandeliana (Sowerby, 1836)

Figure 2H


Nertina cochinsinae Récluz, 1850; Nerita ramosa Meuschen, 1787; Neritina paralella Röding, 1798; Neritina lugubris Lamarck, 1822; Neritina coromandeliana Sowerby, 1836; Neritina triangularis Mörch, 1852; Neritina pulcherrima Mousson, 1857; Neritina interstitialis von Martens, 1877; Neritina hieroglyphica Wattlebled, 1886.

Material examined


Distribution and habitat

Single lot collected from Kuari River on Pulau Gaya.


This species can be found in brackish estuarine areas (streams and mangrove swamps) from Japan through South-east Asia to Australasia, and India (Brandt 1974, Eichhorst 2016).

Vittina variegata (Lesson, 1831)

Figure 2I


Neritina pulchra Sowerby, 1836; Neritina cuvieriana Récluz, 1841; Neritina turrita Schmeltz, 1866; Neritina granulosa Schmeltz, 1869; Nertina zelandicus Mousson, 1869; Neritella granulum Schmeltz, 1974.

Material examined


Distribution and habitat

Single lot collected from a river on Pulau Bohey Dulang, off the eastern town of Semporna.


This species can be found in coastal freshwater bodies in South-east Asia and Australasia, and the Pacific islands (van Benthem Jutting 1956, Brandt 1974, Eichhorst 2016).

Family PACHYCHILIDAE P Fischer & Crosse

Genus Sulcospira Troschel, 1858

Sulcospira pageli (Thiele, 1908)

Figure 2J,K


Melania schmidti Martens, 1908.

Material examined

BOR/MOL542, BOR/MOL543, BOR/MOL544, BOR/MOL547, BOR/MOL548, BOR/MOL550, BOR/MOL1752, BOR/MOL1753, BOR/MOL3100, BOR/MOL3394, BOR/MOL3450, BOR/MOL3457, BOR/MOL3761, BOR/MOL3825, BOR/MOL5947, BOR/MOL5950, BOR/MOL6707, BOR/MOL6709, BOR/MOL6711, BOR/MOL6715, BOR/MOL6717, BOR/MOL6718, BOR/MOL6722, BOR/MOL8693, BOR/MOL8694, BOR/MOL8695, BOR/MOL8696, BOR/MOL8697, BOR/MOL8698, BOR/MOL8701.

Distribution and habitat

West from Kota Marudu to Kota Kinabalu, in the interior in Tenom and Keningau, and eastern Sabah in Beluran, Kinabatangan, Lahad Datu, Kunak, Tawau. Found in forest streams and in the vicinity of limestone caves, rivers, and in streams along paddy fields.


This species has previously been synonymised with Sulcospira schmidti (Martens, 1908), which was also originally described from Borneo (Köhler and Glaubrecht 2001). Shells appear to be highly plastic, with material examined having shells with rounded or pointed basal lips, with or without raised ribs, and with or without spiral striae at the bottom of final body whorl. Other species of Sulcospira have previously been described from Borneo (see e.g., Köhler and Glaubrecht 2001, 2002, Köhler and Dames 2009), but pending further analysis and availability of fresh material for molecular sequencing, we tentatively consider all material conspecific.


Genus Sinotaia Haas, 1839

Sinotaia guangdungensis (Kobelt, 1906)

Figure 3A

Material examined

BOR/MOL8674, BOR/MOL8709.

Figure 3. 

A Family Viviparidae: Sinotaia guangdungensis (Kobelt, 1906) – BOR/MOL 8709 B–C Family Paludomidae. B Paludomus everetti EA Smith, 1894 – BOR/MOL 3398 C Paludomus luteus Adams, 1874 – BOR/MOL 1225 D Family Physidae: Physa acuta Draparnaud, 1805 – BOR/MOL 3451 E Planorbidae Indoplanorbis exustus (Deshayes, 1834) – BOR/MOL 8681 F–H Family Thiaridae F Mieniplotia scabra (OF Müller, 1774) – BOR/MOL 8310 G Melanoides tuberculata (OF Müller, 1774) – BOR/MOL 6799 H Tarebia granifera (Lamarck, 1822) – BOR/MOL 8688. Scale bars 10 mm.

Distribution and habitat

Collected from a paddy field stream in Kota Marudu, and from a pond in Nabawan.


Sinotaia guangdungensis is native to Southern China and has to date, been introduced to Peninsular Malaysia, Singapore, and Australia (Ng et al. 2014). This is a first record for Sabah.

Family PALUDOMIDAE Stoliczka

Genus Paludomus Swainson, 1840

Paludomus everetti EA Smith, 1894

Figure 3B

Material examined

BOR/MOL545, BOR/MOL1226, BOR/MOL1227, BOR/MOL1754, BOR/MOL1755, BOR/MOL1756, BOR/MOL3127, BOR/MOL3398, BOR/MOL3596, BOR/MOL5853, BOR/MOL5870.

Distribution and habitat

Eastern Sabah in Kunak, Danum Valley, Tawau, and Kinabatangan. Found in forest streams and in the vicinity of limestone caves.


Originally described from Batang Lupar in neighbouring Sarawak, and Gua Gomantong in the Kinabatangan area. The material in BORNEENSIS include shells collected from the vicinity of Gua Gomantong.

Paludomus luteus Adams, 1874

Figure 3C

Material examined


Distribution and habitat

Single lot found in the vicinity of Gua Gomantong in the Kinabatangan area.


Distinguished from Paludomus everetti by the lack of spiral striae at the suture.

Family PHYSIDAE Fitzinger

Genus Physa Draparnaud, 1801

Physella acuta (Draparnaud, 1805)

Figure 3D

Material examined


Distribution and habitat

Single lot collected from Kiansom forest, 20km inland from Kota Kinabalu.


This species is native to North America and has been widely introduced to neighbouring Sarawak and Brunei, on Borneo (Ali 1993, Ng et al. 2015b). This appears to be the first record of the species in Sabah.

Family PLANORBIDAE Rafinesque

Genus Indoplanorbis Anandale & Prashad, 1920

Indoplanorbis exustus (Deshayes, 1834)

Figure 3E

Material examined

BOR/MOL6716, BOR/MOL8681.

Distribution and habitat

Collected from rivers in Tawau and Tuaran.


Indoplanorbis exustus has a wide distribution across Asia and is an intermediate host of zoonotic parasites (Liu et al., 2010). In Peninsular Malaysia, the species has been shown to host Schistosoma spindale, that causes cercarial dermatitis in infected humans (Chiew et al. 2009). The snail was not recorded from Tuaran in the 1970’s (Lim et al. 1976), and both lots in BORNEENSIS were only collected in 2016.


Genus Mieniplotia Low & Tan, 2014

Mieniplotia scabra (OF Müller, 1774)

Figure 3F


Helix aspera Gmelin, 1791; Melania spinulosa Lamarck, 1822; Melania doreyana Lesson, 1831; Melania spinescens Lesson, 1831; Melanium granum von dem Busch, 1842; Melania scabrella Mousson, 1848; Melania acanthica Lea, 1850; Melania denticulata Lea, 1850; Melania pagoda Lea, 1850; Melania datura Dohrn, 1858; Melania elegans Reeve, 1859; Melania pugilis Reeve, 1859; Melania rugosa Brot, 1860; Melania snellemanni Schepman, 1880; Melania bockii Brot, 1881; Melania savinieri Morlet, 1884; Melania subcancellata Boettger, 1890; Melania pinguicola Martens in Weber, 1897; Melania varia Bullen, 1904; Melania intrepida Fulton, 1914; Melania sykesi Degner, 1928.

Material examined

BOR/MOL8300, BOR/MOL8306, BOR/MOL8310, BOR/MOL8690.

Distribution and habitat

Off Kota Kinabalu on Pulau Gaya, and northern Sabah in Pitas. Collected from rivers.


This cryptogenic species is widespread across tropical Asia and is invasive around the world (Cianfanelli et al. 2016).

Genus Melanoides Olivier, 1804

Melanoides tuberculata (OF Müller, 1774)

Figure 3G


Melanoides fasciolata Olivier, 1804.

Material examined

BOR/MOL551, BOR/MOL1760, BOR/MOL1761, BOR/MOL6708, BOR/MOL6720, BOR/MOL6724, BOR/MOL6725, BOR/MOL6799, BOR/MOL7930, BOR/MOL7931, BOR/MOL8295, BOR/MOL8296, BOR/MOL8297, BOR/MOL8299, BOR/MOL8305, BOR/MOL8309, BOR/MOL8427, BOR/MOL8444, BOR/MOL8682, BOR/MOL8692, BOR/MOL8699.

Distribution and habitat

Labuan. Widely-distributed throughout the state and on offshore islands, including Tenom, Kota Kinabalu, Pulau Gaya, Pulau Tiga, Tuaran, Kota Belud, Tawau, and Pulau Bohey Dulang and Pulau Bodgaya, off Semporna. Recorded from rivers, paddy fields, and concrete drains.


This species originates from West Asia and East Africa but has become widespread and invasive across the world (Pointier 1999).

Genus Tarebia H Ada& A Adams, 1884

Tarebia granifera (Lamarck, 1822)

Figure 3H


Helix lineata Gray in Wood, 1828; Melania celebensis Quoy & Gaimard, 1834; Melania lirata Benson, 1836; Melania semigranosa von dem Busch in Philippi, 1842; Melania batana Gould, 1843; Melania coffea Philippi, 1843; Melania flavida Dunker, 1844; Melania verrucosa Hinds, 1844; Melania crenifera Lea, 1850; Melania lateritia Lea, 1850; Melania microstoma Lea, 1850; Melania rudis Lea, 1850; Melania granospira Mousson, 1857; Melania broti Reeve, 1859; Melania lyrata Reeve, 1859; Melania chocolatum Brot, 1860; Melania granospiralis Zollinger, 1860; Melania asperula Brot, 1868; Melania obliquigranosa Smith, 1878; Melania junghuhni Martin, 1879; Melania tjariangensis Martin, 1905; Melania kritjianensis Martin, 1905; Melania tjibodasensis Leschke, 1914; Melania margaritana Leschke, 1914; Melania martini Oostingh, 1935.

Material examined

BOR/MOL546, BOR/MOL3109, BOR/MOL3382, BOR/MOL6721, BOR/MOL8683, BOR/MOL8684, BOR/MOL8685, BOR/MOL8686, BOR/MOL8687, BOR/MOL8688, BOR/MOL8689, BOR/MOL8691.

Distribution and habitat

Widely-distributed throughout the state, found from Nabawan, Keningau, Sepitang, Tuaran, Kota Belud, Pitas, Kota Marudu, Tawau. Most were collected from rivers.


This species is widespread in most water bodies from India to Australasia (van Benthem Jutting 1956).


We would like to thank Siong Kiat Tan for help in identifying some of the species and for providing useful references and comments. In addition, we thank many of our colleagues and students who collected the specimens and deposited at BORNEENSIS, Universiti Malaysia Sabah. The sampling on the islands of the west coast of Sabah by TSL and JD was supported by Research Acculturation Grant Scheme (RAGS), Ministry of Higher Education Malaysia (RAG0063-STWN-2015), and AZ’s fieldwork in Sabah was supported by the Mohamed bin Zayed Species Conservation Fund (Project 152510591). We appreciate valuable comments from Frank Köhler, Thomas von Rintelen, and an anonymous reviewer which improved this manuscript.


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