Coombs, S., J. Janssen & J. F. Webb. 1988. Diversity of lateral line systems: evolutionary and functional considerations. Pp. 553-593 in: J. Atema, R. R. Fay, A. N. Popper & W. N. Tavolga (eds.), Sensory biology of aquatic animals. Springer, New York.

Fujita, A. & K. Okawa. 1975. A preliminary survey of geographic variations of the cobitid fish, Lefua echigonia, in Japan. Japanese Journal of Ichthyology, 22: 179-182 [in Japanese].

Herre, A. W. C. T. & S. Y. Lin. 1936. Fishes of the Tsien Tang River system. Bulletin Chekiang Provincial Fisheries Experiment Station, 2: 1-37.

Herzenstein, S. M. 1887. Fische. i-vi, Pp. 1-90 in: N. A. Warpachowski & S. M. Herzenstein (eds.), Wissenschaftliche Resultate der von N. M. Przewalski nach Central-Asien unternommenen Reisen. Band 3, Abth. 2. Kaiserliche Akademie der Wissenschaften, St. Petersburg [in Russian and German].

— 1888. Fische. Pp. 91-180 in: N. A. Warpachowski & S. M. Herzenstein (eds.), Wissenschaftliche Resultate der von N. M. Przewalski nach Central-Asien unternommenen Reisen. Band 3, Abth. 2. Kaiserliche Akademie der Wissenschaften, St. Petersburg [in Russian and German].

Hosoya, K. 1983. Geographic variation of number of vertebrae in Squalidus. Freshwater Fish, 9: 43-48 [in Japanese].

— 1994. Lefua echigonia. Pp. 386-391 in: The Fisheries Agency, Japan (ed.), Basic data on threatened wild aquatic organism in Japan-I. The Fisheries Agency, Japan [in Japanese].

— 2002. Cobitidae. Pp. 272-277, 1467 in: T. Nakabo, (ed.), Fishes of Japan with pictorial keys to the species. English edition. Tokai University Press, Tokyo.

— 2013. Cobitidae. Pp. 328-334, 1819-1822 in: T. Nakabo (ed.), Fishes of Japan with pictorial keys to the species, third edition. Tokai University Press, Tokyo [in Japanese].

Hubbs, C. L. & K. F. Lagler. 2004. Fishes of the Great Lakes region. Revised edition. University of Michigan Press, Ann Arbor, xxxii + 276 pp.

Kawamura, K. & K. Hosoya, 1991. A modified double staining technique for making a transparent fishskeletal specimen. Bulletin of National Research Institute of Aquaculture, 20: 11-18 [in Japanese].

Kessler, K. F. 1876. Descriptions of the fishes collected by Col. Przewalski in Mongolia. Volume 2. Pp. 1-36 in: N. Przewalski (ed.), Mongolia, and the land of the Tanguts. Imperatorskaya Akademiya Nauk, St. Petersburg [in Russian].

Kottelat, M. 2012. Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). The Raffles Bulletin of Zoology, 26: 1-199.

— 2013. The fishes of the inland waters of Southeast Asia: a catalogue and core bibliography of the fishes known to occur in freshwaters, mangroves and estuaries. The Raffles Bulletin of Zoology, 27: 1-663.

Martens, E. von. 1868. Über eine neue Untergattung von Homaloptera. Monatsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin, 1868 [1869]: 607-608.

Mihara, M., T. Sakai, K. Nakano, L. O. Martins, K. Hosoya & J. Miyazaki. 2005. Phylogeography of loaches of the genus Lefua (Balitoridae, Cypriniformes) inferred from mitochondrial DNA sequences. Zoological Science, 22: 157-168.

Miyazaki, J., K. Nakao, M. Mihara, T. Sakai, Y. Gunji, K. Tojo, K. Muraoka & K. Hosoya. 2007. Incongruence between mtDNA phylogeny and morphological and ecological characters in loaches of the genus Lefua (Balitoridae, Cypriniformes). Zoological Science, 24: 666-675.

Miyazaki, J., M. Dobashi, T. Tamura, S. Beppu, T. Sakai, M. Mihara & K. Hosoya. 2011. Parallel evolution in eight-barbel loaches of the genus Lefua (Balitoridae, Cypriniformes) revealed by mitochondrial and nuclear DNA phylogenies. Molecular Phylogenetics and Evolution, 60: 416-427.

Nakajima, J. 2017. Loaches of Japan Natural history and culture. Yama-to-Keikokusya, Tokyo, 223 pp. [In Japanese, English abstracts].

Nichols, J. T. 1943. The fresh-water fishes of China. American Museum of Natural History, New York, xxxvi + 322 pp.

Prokofiev, A. M. 2005. Osteology of Oreonectes platycephalus Günther, 1868 (Balitoridae: Nemacheilinae) with remarks on the genus composition and its phylogenetic relations. Journal of Ichthyology, 45: 429-443.

Sakai, T., M. Mihara, H. Shitara, H. Yonekawa, K. Hosoya & J. Miyazaki. 2003. Phylogenetic relationships and intraspecific variations of loaches of the genus Lefua (Balitoridae, Cypriniformes). Zoological Science, 20: 501-514.

Sawada, Y. 1982. Phylogeny and zoogeography of the superfamily Cobitoidea (Cyprinoidei, Cypriniformes). Memories of the Faculty of Fisheries Hokkaido University, 28: 65-223.

Yamashina, Y., T. Kamei & K. Hosoya. 1994. Preliminary report on two Lefua species obtained from Hikami district. Hyogo Freshwater Biology, 45: 5-11 [in Japanese].