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General information
Nemacheilus barbatulus (Linnaeus, 1758)

Common name	Stone loach
Valid name	Barbatula barbatula (Linnaeus, 1758)
Synonyms	Cobitis barbatula Linnaeus, 1758 Nemacheilus barbatulus (Linnaeus, 1758) Nemacheilus barbatulus barbatulus (Linnaeus, 1758) Orthrias barbatulus (Linnaeus, 1758) Barbatula barbatulus (Linnaeus, 1758) Nemachilus barbatulus (Linnaeus, 1758) Noemacheilus barbatulus (Linnaeus, 1758) Noemacheilus barbulatus (Linnaeus, 1758) Cobitis barbatula parisiensis De la Pylaie, 1835 Cobitis barbatula pictava De la Pylaie, 1835 Cobitis furstenbergii Bonaparte, 1846 Cobitis barbatula pironae Nardo, 1866 Cobitis variabilis Gunther, 1868 Nemachilus barbatulus caucasicus Berg, 1898 Barbatula barbatula caucasica (Berg, 1898) Nemacheilus barbatulus var. caucasicus Berg, 1898 Orthrias oreas Jordan & Fowler, 1903 Barbatula oreas (Jordan & Fowler, 1903) Nemacheilus sibiricus Gratzianov, 1907 Nemachilus barbatulus vardarensis Karaman, 1928 Nemacheilus barbatulus erythrinna Berg, 1933
IUCN Red List status (2014)	Least Concern (LC)
Habitat	Freshwater
Systematics	Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Nemacheilidae.
Geographical distribution	China; Japan; South Korea; North Korea; Russia; UK; Germany; France; Spain; Italy; Greece; Bulgaria; Ukraine; Romania; Sweden; Denmark; Ireland; Finland; Belgium; Netherlands; Austria; Belarus; Croatia; Czech Republic; Estonia; Hungary; Latvia; Liechtenstein; Lithuania; Luxembourg; Macedonia; Moldova; Montenegro; Poland; Serbia; Slovakia; Slovenia; Switzerland
Occurrence	native: China; native: Japan; native: South Korea; native: North Korea; native: Russia; native: UK; native: Germany; native: France; native: Spain; native: Italy; native: Greece; native: Bulgaria; native: Ukraine; native: Romania; native: Sweden; native: Denmark; introduced: Ireland; native: Finland; native: Belgium; native: Netherlands; native: Austria; native: Belarus; native: Croatia; native: Czech Republic; native: Estonia; native: Hungary; native: Latvia; native: Liechtenstein; native: Lithuania; native: Luxembourg; native: Macedonia; native: Moldova; native: Montenegro; native: Poland; native: Serbia; native: Slovakia; native: Slovenia; native: Switzerland
Importance	Food; Ornamental
Karyological information
Geographical area of study	Spain; Switzerland
Source of chromosomes	Gill and Kidney
Number of specimens with sex	21 (11 males; 05 females; 05 Unknown)
Diploid chromosome number	50
Karyotype formula	8m+20sm+22a
Fundamental arm number	78
Chromosome length	Not reported
Sex chromosome	Not reported
Chromosome staining/banding/FISH	Ag-NORs found to occur identically in the biggest metacentric pair.
Reference	Madeira JM, Collares-Pereira MJ, Elvira B (1992). Cytotaxonomy of Iberian loaches with some remarks on the karyological evolution of both families (Pisces, Cobitidae, Homalopteridae), Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics, 45(3-4): 273-281.
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