n = 289
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Nemacheilus abyssinicus | Boulenger, 1902 | Afronemacheilus abyssinicus | Nemacheilidae | |
| Nemacheilus acuticephalus | Hora, 1929 | Schistura acuticephala | Nemacheilidae | |
| Nemacheilus ajmonis | Di Caporiacco, 1933 | Triplophysa kashmirensis | Nemacheilidae | |
| Nemacheilus akhtari | Lakshmanan, 1950 | Triplophysa stolickai | Nemacheilidae | Tibetan stone loach |
| Nemacheilus aliensis | Wu & Zhu, 1979 | Triplophysa aliensis | Nemacheilidae | |
| Nemacheilus altipedunculatus | (Bănărescu & Nalbant, 1968) | Schistura altipedunculata | Nemacheilidae | |
| Nemacheilus amudarjensis choresmi | Berg, 1932 | Dzihunia amudarjensis | Nemacheilidae | Bukhara stone loach |
| Nemacheilus angeli | Fang, 1941 | Triplophysa angeli | Nemacheilidae | |
| Nemacheilus angorae | Steindachner, 1897 | Oxynoemacheilus angorae | Nemacheilidae | Angora loach |
| Nemacheilus angorae lenkoranensis | Abdurakhmanov, 1962 | Oxynoemacheilus lenkoranensis | Nemacheilidae | |
| Nemacheilus anguilla | Annandale, 1919 | Nemacheilus anguilla | Nemacheilidae | |
| Nemacheilus arafi | (Mirza & Bănărescu, 1981) | Schistura arifi | Nemacheilidae | |
| Nemacheilus arenicolus | Kottelat, 1998 | Nemacheilus arenicolus | Nemacheilidae | |
| Nemacheilus argyrogaster | Kottelat, 2021 | Genus Species | New species | |
| Nemacheilus arifi | (Mirza & Bănărescu, 1981) | Schistura arifi | Nemacheilidae | |
| Nemacheilus arunachalensis | Menon, 1987 | Schistura tirapensis | Nemacheilidae | |
| Nemacheilus aureus | Day, 1872 | Acanthocobitis mooreh | Nemacheilidae | |
| Nemacheilus balteatus | Rendahl, 1948 | Schistura balteata | Nemacheilidae | |
| Nemacheilus baluchiorum | Zugmayer, 1912 | Schistura baluchiorum | Nemacheilidae | |
| Nemacheilus bampurensis | Nikolskii, 1900 | Paraschistura bampurensis | Nemacheilidae | |
| Nemacheilus banar | Freyhof & Serov, 2001 | Nemacheilus banar | Nemacheilidae | |
| Nemacheilus barapaniensis | Menon, 1987 | Physoschistura elongata | Nemacheilidae | |
| Nemacheilus barbatulus | (Linnaeus, 1758) | Barbatula barbatula | Nemacheilidae | Stone loach |
| Nemacheilus barbatulus barbatulus | (Linnaeus, 1758) | Barbatula barbatula | Nemacheilidae | Stone loach |
| Nemacheilus barbatulus erythrinna | Berg, 1933 | Barbatula barbatula | Nemacheilidae | Stone loach |
| Nemacheilus barbatulus f. anglicana | Băcescu-Meşter, 1967 | Barbatula barbatula | Nemacheilidae | Stone loach |
| Nemacheilus barbatulus f. blackiana | Băcescu-Meşter, 1967 | Barbatula barbatula | Nemacheilidae | Stone loach |
| Nemacheilus barbatulus hispanica | Lelek, 1987 | Genus Species | New species | |
| Nemacheilus barbatulus markakulensis | Menshikov, 1939 | Barbatula markakulensis | Nemacheilidae | |
| Nemacheilus barbatulus quignardi | Băcescu-Meşter, 1967 | Barbatula quignardi | Nemacheilidae | |
| Nemacheilus barbatulus tomianus | Ruzsky, 1920 | Barbatula tomiana | Nemacheilidae | |
| Nemacheilus barbatulus toni | (Dybowski, 1869) | Barbatula toni | Nemacheilidae | |
| Nemacheilus beavani | Günther, 1868 | Schistura beavani | Nemacheilidae | Creek loach |
| Nemacheilus berezowskii | Günther, 1896 | Homatula berezowskii | Nemacheilidae | |
| Nemacheilus bergi | Gratzianov, 1907 | Genus Species | New species | |
| Nemacheilus bergi | Gratzianov, 1907 | Oxynoemacheilus bergi | Nemacheilidae | |
| Nemacheilus bergianus | Derjavin, 1934 | Oxynoemacheilus bergianus | Nemacheilidae | |
| Nemacheilus bhimachari | Hora, 1937 | Schistura bhimachari | Nemacheilidae | |
| Nemacheilus binotatus | Smith, 1933 | Nemacheilus binotatus | Nemacheilidae | |
| Nemacheilus bipartitus | Sauvage & Dabry de Thiersant, 1874 | Misgurnus mohoity | Cobitidae | |
| Nemacheilus botia | (Hamilton, 1822) | Acanthocobitis botia | Nemacheilidae | Mottled loach |
| Nemacheilus botia aureus | Day, 1872 | Acanthocobitis mooreh | Nemacheilidae | |
| Nemacheilus botia botia | (Hamilton, 1822) | Acanthocobitis botia | Nemacheilidae | Mottled loach |
| Nemacheilus boutanensis | (McClelland, 1842) | Aborichthys boutanensis | Nemacheilidae | |
| Nemacheilus brahui | Zugmayer, 1912 | Triplophysa brahui | Nemacheilidae | |
| Nemacheilus brandti | Kessler, 1877 | Oxynoemacheilus brandtii | Nemacheilidae | Kura loach |
| Nemacheilus brandtii oxiana | Kessler, 1877 | Nemacheilus oxianus | Nemacheilidae | Amu-Darya stone loach |
| Nemacheilus brandtii oxianus | Kessler, 1877 | Nemacheilus oxianus | Nemacheilidae | Amu-Darya stone loach |
| Nemacheilus brevis | Boulenger, 1893 | Yunnanilus brevis | Nemacheilidae | |
| Nemacheilus brunneanus | Annandale, 1918 | Physoschistura brunneana | Nemacheilidae | |
| Nemacheilus bucculentus | Smith, 1945 | Schistura bucculenta | Nemacheilidae | |
| Nemacheilus bureschi | Drensky, 1928 | Oxynoemacheilus bureschi | Nemacheilidae | Bulgarian stone loach |
| Nemacheilus callichromus | Zhu & Wang, 1985 | Schistura callichroma | Nemacheilidae | |
| Nemacheilus carletoni | Fowler, 1924 | Schistura carletoni | Nemacheilidae | |
| Nemacheilus chapaensis | Rendahl, 1944 | Schistura chapaensis | Nemacheilidae | |
| Nemacheilus chindnimicus | Tilak & Husain, 1990 | Schistura chindwinica | Nemacheilidae | |
| Nemacheilus chindwinica | Tilak & Husain, 1990 | Schistura chindwinica | Nemacheilidae | |
| Nemacheilus chindwinicus | Tilak & Husain, 1990 | Schistura chindwinica | Nemacheilidae | |
| Nemacheilus chryseus | Day, 1873 | Schistura denisoni | Nemacheilidae | |
| Nemacheilus chrysolaimos | (Valenciennes, 1846) | Nemacheilus chrysolaimos | Nemacheilidae | |
| Nemacheilus cincticauda | (Blyth, 1860) | Schistura cincticauda | Nemacheilidae | |
| Nemacheilus cleopatra | Freyhof & Serov, 2001 | Nemacheilus cleopatra | Nemacheilidae | |
| Nemacheilus corica | (Hamilton, 1822) | Nemacheilus corica | Nemacheilidae | |
| Nemacheilus cristatus | Berg, 1898 | Paraschistura cristata | Nemacheilidae | Turkmenian crested loach |
| Nemacheilus cruciatus | Rendahl, 1944 | Yunnanilus cruciatus | Nemacheilidae | |
| Nemacheilus denisoni | Day, 1867 | Schistura denisoni | Nemacheilidae | |
| Nemacheilus denisoni dayi | Hora, 1935 | Schistura dayi | Nemacheilidae | |
| Nemacheilus denisoni denisoni | Day, 1867 | Schistura denisoni | Nemacheilidae | |
| Nemacheilus densoni dayi | Hora, 1935 | Schistura dayi | Nemacheilidae | |
| Nemacheilus desmotes | Fowler, 1934 | Schistura desmotes | Nemacheilidae | |
| Nemacheilus deterrai | Hora, 1936 | Triplophysa stewarti | Nemacheilidae | |
| Nemacheilus devdevi | Hora, 1935 | Schistura devdevi | Nemacheilidae | |
| Nemacheilus doonensis | Tilak & Husain, 1977 | Nemacheilus doonensis | Nemacheilidae | |
| Nemacheilus dori | (Goren & Bănărescu, 1982) | Oxynoemacheilus insignis | Nemacheilidae | Syrian loach |
| Nemacheilus dorsalis | (Kessler, 1872) | Triplophysa dorsalis | Nemacheilidae | Gray loach |
| Nemacheilus drassensis | Tilak, 1990 | Nemacheilus drassensis | Nemacheilidae | |
| Nemacheilus elegantissimus | Chin & Samat, 1992 | Nemacheilus elegantissimus | Nemacheilidae | |
| Nemacheilus elongatus | (Sen & Nalbant, 1982) | Physoschistura elongata | Nemacheilidae | |
| Nemacheilus euepipterus | Vaillant, 1902 | Vaillantella euepiptera | Vaillantellidae | |
| Nemacheilus evezardi | Day, 1872 | Indoreonectes evezardi | Nemacheilidae | |
| Nemacheilus fasciatus | (Valenciennes, 1846) | Nemacheilus fasciatus | Nemacheilidae | Barred loach |
| Nemacheilus fascimaculatus | (Mirza & Nalbant, 1981) | Schistura fascimaculata | Nemacheilidae | |
| Nemacheilus fasciolatus | (Nichols & Pope, 1927) | Schistura fasciolata | Nemacheilidae | |
| Nemacheilus frenatus | (Heckel, 1843) | Oxynoemacheilus frenatus | Nemacheilidae | Banded Tigris loach |
| Nemacheilus galilaeus | (Günther, 1864) | Oxynoemacheilus galilaeus | Nemacheilidae | |
| Nemacheilus gangeticus | Menon, 1987 | Schistura gangetica | Nemacheilidae | |
| Nemacheilus gejiuensi | Chu & Chen, 1979 | Triplophysa gejiuensis | Nemacheilidae | |
| Nemacheilus gracilis | Day, 1877 | Triplophysa gracilis | Nemacheilidae | |
| Nemacheilus grahami | Regan, 1906 | Triplophysa grahami | Nemacheilidae | |
| Nemacheilus guentheri | Day, 1867 | Nemacheilus guentheri | Nemacheilidae | |
| Nemacheilus hamwii | Krupp & Schneider, 1991 | Oxynoemacheilus hamwii | Nemacheilidae | |
| Nemacheilus himachalensis | Menon, 1987 | Schistura himachalensis | Nemacheilidae | |
| Nemacheilus horai | Menon, 1952 | Schistura horai | Nemacheilidae | |
| Nemacheilus hsutschouensis | Rendahl, 1933 | Triplophysa hsutschouensis | Nemacheilidae | |
| Nemacheilus huapingensis | Wu & Wu, 1992 | Nemacheilus huapingensis | Nemacheilidae | |
| Nemacheilus hutchinsoni | Hora, 1936 | Triplophysa stewarti | Nemacheilidae | |
| Nemacheilus hutjertjuensis | Rendahl, 1933 | Triplophysa hutjertjuensis | Nemacheilidae | |
| Nemacheilus incertus | (Nichols, 1931) | Schistura incerta | Nemacheilidae | |
| Nemacheilus inglisi | Hora, 1935 | Nemacheilus inglisi | Nemacheilidae | |
| Nemacheilus insignis | (Heckel, 1843) | Oxynoemacheilus insignis | Nemacheilidae | Syrian loach |
| Nemacheilus israeliticus | (Goren & Nalbant, 1982) | Oxynoemacheilus insignis | Nemacheilidae | Syrian loach |
| Nemacheilus jaklesii | (Bleeker, 1852) | Nemacheilus jaklesii | Nemacheilidae | |
| Nemacheilus jordanicus | (Bănărescu & Nalbant, 1966) | Oxynoemacheilus insignis | Nemacheilidae | Syrian loach |
| Nemacheilus kaimurensis | Husain & Tilak, 1998 | Nemacheilus kaimurensis | Nemacheilidae | |
| Nemacheilus kangjupkhulensis | Hora, 1921 | Schistura kangjupkhulensis | Nemacheilidae | |
| Nemacheilus kangrae | Menon, 1952 | Paraschistura montana | Nemacheilidae | |
| Nemacheilus kapuasensis | Kottelat, 1984 | Nemacheilus kapuasensis | Nemacheilidae | |
| Nemacheilus kashmirensis | Hora, 1922 | Triplophysa kashmirensis | Nemacheilidae | |
| Nemacheilus kengtungensis | Fowler, 1936 | Schistura kengtungensis | Nemacheilidae | |
| Nemacheilus keralensis | (Rita, Bănărescu & Nalbant, 1978) | Nemacheilus keralensis | Nemacheilidae | |
| Nemacheilus kermanshahensis | Bănărescu & Nalbant, 1966 | Oxynoemacheilus kermanshahensis | Nemacheilidae | |
| Nemacheilus kessleri | Günther, 1889 | Paraschistura kessleri | Nemacheilidae | Kessler's loach |
| Nemacheilus kessleri kessleri | Günther, 1889 | Paraschistura kessleri | Nemacheilidae | Kessler's loach |
| Nemacheilus kessleri turcomanus | Nikolskii, 1947 | Paraschistura turcmenica | Nemacheilidae | |
| Nemacheilus kodaguensis | Menon, 1987 | Schistura kodaguensis | Nemacheilidae | |
| Nemacheilus kohatensis | (Mirza & Bănărescu, 1981) | Schistura kohatensis | Nemacheilidae | |
| Nemacheilus kohchangensis | Smith, 1933 | Schistura kohchangensis | Nemacheilidae | |
| Nemacheilus kuiperi | de Beaufort, 1939 | Nemacheilus selangoricus | Nemacheilidae | Grey-banded loach |
| Nemacheilus kullmanni | (Bănărescu, Nalbant & Ladiges, 1975) | Triplophysa kullmanni | Nemacheilidae | |
| Nemacheilus kuschakewitschi | Herzenstein, 1890 | Iskandaria kuschakewitschi | Nemacheilidae | Kuschakewitsch loach |
| Nemacheilus labeosus | (Kottelat, 1982) | Neonoemacheilus labeosus | Nemacheilidae | |
| Nemacheilus labiatus | (Kessler, 1874) | Triplophysa labiata | Nemacheilidae | Plain thicklip loach |
| Nemacheilus lactogeneus | Roberts, 1989 | Nemacheilus lactogeneus | Nemacheilidae | |
| Nemacheilus ladacensis | Günther, 1868 | Triplophysa ladacensis | Nemacheilidae | |
| Nemacheilus laterivittatus | Zhu & Wang, 1985 | Schistura caudofurca | Nemacheilidae | |
| Nemacheilus lendlii | Hankó, 1925 | Seminemacheilus lendlii | Nemacheilidae | Anatolian loach |
| Nemacheilus leontinae | Lortet, 1883 | Oxynoemacheilus leontinae | Nemacheilidae | |
| Nemacheilus lindbergi | (Bănărescu & Mirza, 1965) | Paraschistura lindbergi | Nemacheilidae | |
| Nemacheilus lividus | Sauvage & Dabry de Thiersant, 1874 | Misgurnus anguillicaudatus | Cobitidae | Pond loach |
| Nemacheilus longicauda | (Kessler, 1872) | Paracobitis longicauda | Nemacheilidae | Eastern crested loach |
| Nemacheilus longicaudus | (Kessler, 1872) | Paracobitis longicauda | Nemacheilidae | Eastern crested loach |
| Nemacheilus longipectoralis | Popta, 1905 | Nemacheilus longipectoralis | Nemacheilidae | |
| Nemacheilus longipinnis | Ahl, 1922 | Nemacheilus longipinnis | Nemacheilidae | |
| Nemacheilus longistriatus | Kottelat, 1990 | Nemacheilus longistriatus | Nemacheilidae | |
| Nemacheilus longus | Zhu, 1982 | Schistura longa | Nemacheilidae | |
| Nemacheilus lunanensis | Li & Xia, 1987 | Nemacheilus lunanensis | Nemacheilidae | |
| Nemacheilus macrotaenia | Yang, 1990 | Schistura macrotaenia | Nemacheilidae | |
| Nemacheilus maculiceps | Roberts, 1989 | Schistura maculiceps | Nemacheilidae | |
| Nemacheilus malapterurus | (Valenciennes, 1846) | Paracobitis malapterura | Nemacheilidae | Western crested loach |
| Nemacheilus malapterurus longicauda | (Kessler, 1872) | Paracobitis longicauda | Nemacheilidae | Eastern crested loach |
| Nemacheilus malapterurus malapterurus | (Valenciennes, 1846) | Paracobitis malapterura | Nemacheilidae | Western crested loach |
| Nemacheilus manipurensis | Chaudhuri, 1912 | Schistura manipurensis | Nemacheilidae | |
| Nemacheilus marang | Hadiaty & Kottelat, 2010 | Nemacheilus marang | Nemacheilidae | |
| Nemacheilus marmoratus | (Heckel, 1838) | Triplophysa marmorata | Nemacheilidae | |
| Nemacheilus marmotatus | (Heckel, 1838) | Triplophysa marmorata | Nemacheilidae | |
| Nemacheilus masyae | Smith, 1933 | Nemacheilus masyae | Nemacheilidae | Arrow loach |
| Nemacheilus masyai | Smith, 1933 | Nemacheilus masyae | Nemacheilidae | Arrow loach |
| Nemacheilus menoni | Zacharias & Minimol, 1999 | Nemacheilus menoni | Nemacheilidae | |
| Nemacheilus merga | (Krynicki, 1840) | Oxynoemacheilus merga | Nemacheilidae | Krynicki's loach |
| Nemacheilus meridionalis | Zhu, 1982 | Pteronemacheilus meridionalis | Nemacheilidae | |
| Nemacheilus microphysus | Fang, 1935 | Triplophysa microphysa | Nemacheilidae | |
| Nemacheilus microps | (Steindachner, 1866) | Triplophysa microps | Nemacheilidae | |
| Nemacheilus monilis | Hora, 1921 | Nemacheilus monilis | Nemacheilidae | |
| Nemacheilus montanus | (McClelland, 1838) | Paraschistura montana | Nemacheilidae | |
| Nemacheilus mooreh | (Sykes, 1839) | Acanthocobitis mooreh | Nemacheilidae | |
| Nemacheilus moreh | (Sykes, 1839) | Acanthocobitis mooreh | Nemacheilidae | |
| Nemacheilus mugah | Day, 1869 | Schistura scaturigina | Nemacheilidae | |
| Nemacheilus multifasciatus | Day, 1878 | Schistura multifasciata | Nemacheilidae | |
| Nemacheilus myrmekia | Fowler, 1935 | Schistura myrmekia | Nemacheilidae | |
| Nemacheilus nagaensis | (Menon, 1987) | Schistura nagaensis | Nemacheilidae | |
| Nemacheilus namiri | Krupp & Schneider, 1991 | Oxynoemacheilus namiri | Nemacheilidae | Levantine loach |
| Nemacheilus naziri | Ahmad & Mirza, 1963 | Triplophysa naziri | Nemacheilidae | |
| Nemacheilus nicholsi | Smith, 1933 | Schistura nicholsi | Nemacheilidae | |
| Nemacheilus nigromaculatus | Regan, 1904 | Yunnanilus nigromaculatus | Nemacheilidae | |
| Nemacheilus nilgiriensis | Menon, 1987 | Schistura nilgiriensis | Nemacheilidae | |
| Nemacheilus notostigma | Bleeker, 1863 | Schistura notostigma | Nemacheilidae | Spotback loach |
| Nemacheilus nudus | Bleeker, 1864 | Barbatula nuda | Nemacheilidae | |
| Nemacheilus obesus | (Vaillant, 1902) | Sundoreonectes obesus | Nemacheilidae | |
| Nemacheilus obscurus | Smith, 1945 | Schistura waltoni | Nemacheilidae | |
| Nemacheilus obscurus huapingensis | Wu & Wu, 1992 | Nemacheilus huapingensis | Nemacheilidae | |
| Nemacheilus olivaceus | Boulenger, 1894 | Nemacheilus olivaceus | Nemacheilidae | |
| Nemacheilus ornatus | Kottelat, 1990 | Nemacheilus ornatus | Nemacheilidae | |
| Nemacheilus oxianus | Kessler, 1877 | Nemacheilus oxianus | Nemacheilidae | Amu-Darya stone loach |
| Nemacheilus oxygnathus | Regan, 1908 | Homatula variegata | Nemacheilidae | |
| Nemacheilus pakistanicus | (Mirza & Bănărescu, 1969) | Schistura pakistanica | Nemacheilidae | |
| Nemacheilus pallidus | Kottelat, 1990 | Nemacheilus pallidus | Nemacheilidae | |
| Nemacheilus pambarensis | (Rema Devi & Indra, 1994) | Mesonoemacheilus pambarensis | Nemacheilidae | |
| Nemacheilus pantheroides | (Goren & Nalbant, 1982) | Oxynoemacheilus insignis | Nemacheilidae | Syrian loach |
| Nemacheilus papillos | Tan & Kottelat, 2009 | Nemacheilus papillos | Nemacheilidae | |
| Nemacheilus pappenheimi | Fang, 1935 | Triplophysa pappenheimi | Nemacheilidae | |
| Nemacheilus paradoxus | Turdakov, 1955 | Triplophysa paradoxa | Nemacheilidae | |
| Nemacheilus pardalis | Turdakov, 1941 | Iskandaria kuschakewitschi | Nemacheilidae | Kuschakewitsch loach |
| Nemacheilus paucimaculatus | Bohlen & Šlechtová, 2011 | Nemacheilus paucimaculatus | Nemacheilidae | |
| Nemacheilus pavonaceus | (McClelland, 1839) | Acanthocobitis pavonacea | Nemacheilidae | |
| Nemacheilus peguensis | Hora, 1929 | Neonoemacheilus peguensis | Nemacheilidae | |
| Nemacheilus pellegrini | Rendahl, 1944 | Schistura spiloptera | Nemacheilidae | |
| Nemacheilus periyarensis | Madhusoodana Kurup & Radhakrishnan, 2005 | Nemacheilus periyarensis | Nemacheilidae | |
| Nemacheilus persa | (Heckel, 1847) | Oxynoemacheilus persa | Nemacheilidae | |
| Nemacheilus petrubanarescui | Menon, 1984 | Nemacheilus petrubanarescui | Nemacheilidae | |
| Nemacheilus pfeifferae | (Bleeker, 1853) | Nemacheilus pfeifferae | Nemacheilidae | |
| Nemacheilus pfeifferi | (Bleeker, 1853) | Nemacheilus pfeifferae | Nemacheilidae | |
| Nemacheilus phuketensis | Klausewitz, 1957 | Paracanthocobitis phuketensis | Nemacheilidae | |
| Nemacheilus platiceps | Kottelat, 1990 | Nemacheilus platiceps | Nemacheilidae | |
| Nemacheilus pleurotaenia | Regan, 1904 | Yunnanilus pleurotaenia | Nemacheilidae | |
| Nemacheilus poculi | (Smith, 1945) | Schistura poculi | Nemacheilidae | |
| Nemacheilus polytaenia | Zhu, 1982 | Schistura polytaenia | Nemacheilidae | |
| Nemacheilus poonaensis | Menon, 1950 | Nemacheilus anguilla | Nemacheilidae | |
| Nemacheilus potanini | Günther, 1896 | Homatula potanini | Nemacheilidae | |
| Nemacheilus prashadi | Hora, 1921 | Schistura prashadi | Nemacheilidae | |
| Nemacheilus prashari | Hora, 1933 | Paraschistura prashari | Nemacheilidae | |
| Nemacheilus pulchellus | Day, 1873 | Nemacheilus pulchellus | Nemacheilidae | |
| Nemacheilus pulcher | Nichols & Pope, 1927 | Traccatichthys pulcher | Nemacheilidae | |
| Nemacheilus pulcher taeniata | Pellegrin & Chevey, 1936 | Traccatichthys taeniatus | Nemacheilidae | |
| Nemacheilus pulsiz | Krupp, 1992 | Oxynoemacheilus ercisianus | Nemacheilidae | Van loach |
| Nemacheilus punjabensis | Hora, 1923 | Paraschistura punjabensis | Nemacheilidae | |
| Nemacheilus punjabensis naseeri | Ahmad & Mirza, 1963 | Paraschistura naseeri | Nemacheilidae | |
| Nemacheilus rapicola | (McClelland, 1838) | Schistura rupecula | Nemacheilidae | |
| Nemacheilus rarus | Zhu & Cao, 1987 | Schistura rara | Nemacheilidae | |
| Nemacheilus reidi | (Smith, 1945) | Schistura reidi | Nemacheilidae | |
| Nemacheilus rendhali | Bănărescu & Nalbant, 1968 | Schistura rendahli | Nemacheilidae | |
| Nemacheilus reticulofasciatus | (Singh & Bănărescu, 1982) | Schistura reticulofasciata | Nemacheilidae | |
| Nemacheilus rhadinaeus | Regan, 1906 | Paracobitis rhadinaea | Nemacheilidae | |
| Nemacheilus rivulicola | Hora, 1929 | Physoschistura rivulicola | Nemacheilidae | |
| Nemacheilus rotundiventris | Wu & Chen, 1979 | Triplophysa rotundiventris | Nemacheilidae | |
| Nemacheilus rubidipinnis | (Blyth, 1860) | Acanthocobitis rubidipinnis | Nemacheilidae | |
| Nemacheilus rubidipinnis mandalayensis | Rendahl, 1948 | Paracanthocobitis mandalayensis | Nemacheilidae | |
| Nemacheilus rueppelli | (Sykes, 1839) | Nemacheilus rueppelli | Nemacheilidae | |
| Nemacheilus ruepplli | (Sykes, 1839) | Nemacheilus rueppelli | Nemacheilidae | |
| Nemacheilus rupecola | (McClelland, 1838) | Schistura rupecula | Nemacheilidae | |
| Nemacheilus rupecula | (McClelland, 1838) | Schistura rupecula | Nemacheilidae | |
| Nemacheilus rupicola | (McClelland, 1838) | Schistura rupecula | Nemacheilidae | |
| Nemacheilus rupicola alepidotus | Mirza & Bănărescu, 1970 | Paraschistura alepidota | Nemacheilidae | |
| Nemacheilus ruppelli | (Sykes, 1839) | Nemacheilus rueppelli | Nemacheilidae | |
| Nemacheilus saravacensis | Boulenger, 1894 | Nemacheilus saravacensis | Nemacheilidae | |
| Nemacheilus sargadensis | Nikolskii, 1900 | Paraschistura kessleri | Nemacheilidae | Kessler's loach |
| Nemacheilus sargandensis paludani | Bănărescu & Nalbant, 1966 | Paraschistura punjabensis | Nemacheilidae | |
| Nemacheilus savona | (Hamilton, 1822) | Schistura savona | Nemacheilidae | |
| Nemacheilus scaturigina | (McClelland, 1839) | Schistura scaturigina | Nemacheilidae | |
| Nemacheilus schebbeuri | Hora, 1935 | Schistura scaturigina | Nemacheilidae | |
| Nemacheilus schultzi | (Smith, 1945) | Schistura schultzi | Nemacheilidae | |
| Nemacheilus selangoricus | Duncker, 1904 | Nemacheilus selangoricus | Nemacheilidae | Grey-banded loach |
| Nemacheilus semiarmatus | Day, 1867 | Schistura semiarmata | Nemacheilidae | |
| Nemacheilus serpentarius | Day, 1870 | Homaloptera bilineata | Balitoridae | |
| Nemacheilus sewerzowi | Nikolskii, 1938 | Triplophysa sewerzowi | Nemacheilidae | Severtsov's loach |
| Nemacheilus sexcauda | Fowler, 1937 | Schistura sexcauda | Nemacheilidae | |
| Nemacheilus shanensis | Hora, 1929 | Physoschistura shanensis | Nemacheilidae | |
| Nemacheilus shebbearei | Hora, 1935 | Schistura scaturigina | Nemacheilidae | |
| Nemacheilus shehensis | Tilak, 1990 | Nemacheilus shehensis | Nemacheilidae | |
| Nemacheilus shimogensis | (Narayan Rao, 1920) | Nemachilichthys shimogensis | Nemacheilidae | |
| Nemacheilus shuangjiangensis | Zhu & Wang, 1985 | Nemacheilus shuangjiangensis | Nemacheilidae | |
| Nemacheilus sibiricus | Gratzianov, 1907 | Barbatula toni | Nemacheilidae | |
| Nemacheilus sijuensis | (Menon, 1987) | Schistura sijuensis | Nemacheilidae | |
| Nemacheilus sikmaiensis | Hora, 1921 | Schistura sikmaiensis | Nemacheilidae | |
| Nemacheilus singhi | Menon, 1987 | Nemacheilus singhi | Nemacheilidae | |
| Nemacheilus sinuatus | Day, 1870 | Acanthocobitis mooreh | Nemacheilidae | |
| Nemacheilus smithi | Greenwood, 1976 | Eidinemacheilus smithi | Nemacheilidae | Blind loach |
| Nemacheilus spiloterus | (Valenciennes, 1846) | Schistura spiloptera | Nemacheilidae | |
| Nemacheilus spilotus | Fowler, 1934 | Schistura spilota | Nemacheilidae | |
| Nemacheilus spiniferus | Kottelat, 1984 | Nemacheilus spiniferus | Nemacheilidae | |
| Nemacheilus starostini | Parin, 1983 | Troglocobitis starostini | Nemacheilidae | |
| Nemacheilus stigmofasciatus | Arunachalam & Muralidharan, 2009 | Nemacheilus stigmofasciatus | Nemacheilidae | |
| Nemacheilus stoliczkae | (Steindachner, 1866) | Triplophysa stolickai | Nemacheilidae | Tibetan stone loach |
| Nemacheilus stoliczkai | (Steindachner, 1866) | Triplophysa stolickai | Nemacheilidae | Tibetan stone loach |
| Nemacheilus stolizkae | (Steindachner, 1866) | Triplophysa stolickai | Nemacheilidae | Tibetan stone loach |
| Nemacheilus strauchi dorsaloides | Turdakov, 1947 | Triplophysa ulacholica | Nemacheilidae | Issyk-kul naked loach |
| Nemacheilus strauchi reuniens | Turdakov, 1952 | Triplophysa ulacholica | Nemacheilidae | Issyk-kul naked loach |
| Nemacheilus strauchi ulacholicus | Anikin, 1905 | Triplophysa ulacholica | Nemacheilidae | Issyk-kul naked loach |
| Nemacheilus strauchii | (Kessler, 1874) | Triplophysa strauchii | Nemacheilidae | Spotted thicklip loach |
| Nemacheilus striatus | Day, 1867 | Schistura striata | Nemacheilidae | |
| Nemacheilus sturanyi | Steindachner, 1892 | Barbatula sturanyi | Nemacheilidae | |
| Nemacheilus subfusca | (McClelland, 1839) | Nemacheilus subfusca | Nemacheilidae | |
| Nemacheilus subfuscus | (McClelland, 1839) | Nemacheilus subfusca | Nemacheilidae | |
| Nemacheilus tebo | Hadiaty & Kottelat, 2009 | Nemacheilus tebo | Nemacheilidae | |
| Nemacheilus tenuicanda | (Steindachner, 1866) | Triplophysa tenuicauda | Nemacheilidae | |
| Nemacheilus tenuis | Day, 1877 | Triplophysa tenuis | Nemacheilidae | |
| Nemacheilus thai | Fowler, 1934 | Schistura nicholsi | Nemacheilidae | |
| Nemacheilus tigris | (Heckel, 1843) | Oxynoemacheilus tigris | Nemacheilidae | Tigris loach |
| Nemacheilus tigris cyri | Berg, 1910 | Oxynoemacheilus cyri | Nemacheilidae | Göle loach |
| Nemacheilus tikaderi | (Barman, 1985) | Aborichthys tikaderi | Nemacheilidae | |
| Nemacheilus trans-lineatus | Fowler, 1939 | Nemacheilus selangoricus | Nemacheilidae | Grey-banded loach |
| Nemacheilus translineatus | Fowler, 1939 | Nemacheilus selangoricus | Nemacheilidae | Grey-banded loach |
| Nemacheilus triangularis | Day, 1865 | Nemacheilus triangularis | Nemacheilidae | |
| Nemacheilus troglocataractus | Kottelat & Géry, 1989 | Nemacheilus troglocataractus | Nemacheilidae | Blind cave loach |
| Nemacheilus trogocataractus | Kottelat & Géry, 1989 | Nemacheilus troglocataractus | Nemacheilidae | Blind cave loach |
| Nemacheilus tschaiyssuensis | Bănărescu & Nalbant, 1964 | Oxynoemacheilus argyrogramma | Nemacheilidae | Two spot loach |
| Nemacheilus tuberigum | Hadiaty & Siebert, 2001 | Nemacheilus tuberigum | Nemacheilidae | |
| Nemacheilus turcomanus | Nikolskii, 1947 | Paraschistura turcmenica | Nemacheilidae | |
| Nemacheilus ulacholicus | Anikin, 1905 | Triplophysa ulacholica | Nemacheilidae | Issyk-kul naked loach |
| Nemacheilus urophthalmus | Günther, 1868 | Acanthocobitis urophthalmus | Nemacheilidae | Banded mountain loach |
| Nemacheilus vinciguerrae | Hora, 1935 | Schistura vinciguerrae | Nemacheilidae | |
| Nemacheilus vittatus | (Heckel, 1838) | Triplophysa marmorata | Nemacheilidae | |
| Nemacheilus waltoni | Fowler, 1937 | Schistura waltoni | Nemacheilidae | |
| Nemacheilus xiangxiensis | Yang, Yuan & Liao, 1986 | Triplophysa xiangxiensis | Nemacheilidae | |
| Nemacheilus yarkandensis | Day, 1877 | Hedinichthys yarkandensis | Nemacheilidae | Kashgarian loach |
| Nemacheilus yarkandensis macropterus | Herzenstein, 1888 | Hedinichthys macropterus | Nemacheilidae | |
| Nemacheilus yarkandensis nordkansuensis | Li & Chang, 1974 | Hedinichthys macropterus | Nemacheilidae | |
| Nemacheilus yingjiangensis | Zhu, 1982 | Nemacheilus yingjiangensis | Nemacheilidae | |
| Nemacheilus zonalternans | (Blyth, 1860) | Paracanthocobitis zonalternans | Nemacheilidae | |
| Nemacheilus zonatus | Page, Pfeiffer, Suksri, Randall & Boyd, 2020 | Genus Species | New species |