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Table 1 Species under study, their sex, origin and geographical distribution

From: Karyotype differentiation in 19 species of river loach fishes (Nemacheilidae, Teleostei): extensive variability associated with rDNA and heterochromatin distribution and its phylogenetic and ecological interpretation

Species

Individuals

Source (country, province, river basin)

Distribution

Barbatula barbatula (Linnaeus, 1758)

3

Czech Republic, Středočeský kraj, Elbe

widespread (Europe, Asia)

Lefua costata (Kessler, 1876)

2♀

Republic of Korea, Gangwon, Geojin

widespread (Korea, China)

Mesonoemacheilus guentheri (Day, 1867)

1♂, 1♀

Ornamental fish trade

moderately widespread (southern India)

Nemacheilus binotatus (Smith, 1933)

1♂, 1♀

Ornamental fish trade

moderately widespread (Thailand)

Nemachilichthys ruppelli (Sykes, 1839)

1♂, 1♀

Ornamental fish trade

moderately widespread (southern India)

Paracanthocobitis pictilis (Kottelat, 2012)

2♀

Ornamental fish trade

endemic to Ataran river (Myanmar)

Paracanthocobitis zonalternans (Blyth, 1860)

1 ♂1♀

Myanmar, no details known

widespread (Bangladesh to Malaysia)

Petruichthys brevis (Boulenger, 1893)

1♂, 1♀ + 1

Ornamental fish trade

endemic to Inle Lake (Myanmar)

Physoschistura elongata (Sen & Nalbant, in Singh, Sen, Bănărescu & Nalbant, 1982)

2

Ornamental fish trade

endemic to Shilling county (northeast India)

Physoschistura sp.

2

Myanmar, Shan, Salween

endemic to surrounding of Inle Lake (Myanmar)

Pteronemacheilus lucidorsum (Bohlen & Šlechtová, 2011)

1♂, 1♀

Myanmar, Shan, Irrawaddy

endemic to upper Myitnge river basin (Myanmar)

Schistura bolavenensis (Kottelat, 2000)

3

Laos: Champasak, Mekong

moderately spread (Bolaven plateau, Laos)

Schistura corica (Hamilton, 1822)

1♂, 3♀

Ornamental fish trade

widespread (northern India, Bangladesh)

Schistura fasciolata (Nichols and Pope, 1927)

2♂, 1♀

Ornamental fish trade

widespread (southern China and northern Vietnam)

Schistura hypsiura (Bohlen, Šlechtová & Udomritthiruj, 2014)

1♂, 1♀ +3

Ornamental fish trade

endemic to southern Rakhine state (Myanmar)

Schistura notostigma (Bleeker, 1863)

6

Ornamental fish trade

endemic (Sri Lanka)

Schistura pridii (Vidthayanon, 2003)

2

Ornamental fish trade

local endemic (northern Thailand)

Schistura savona (Hamilton, 1822)

3

Ornamental fish trade

widespread (northern India, Bangladesh)

Seminemacheilus lendlii (Hankó, 1924)

1♂, 1♀

Turkey, Anatolia, no details known

endemic to southeast Anatolia (Turkey)