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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Cypriniformes
Subordo: Cobitoidei

Familia: Botiidae
Genus: Botia
Species: B. almorhae – B. birdi – B. dario – B. histrionica – B. kubotai – B. lohachata – B. rostrata – B. striata – B. udomritthiruji
Name

Botia Gray, 1831

Type species: Botia almorhae Gray, 1831, by monotypy.
Gender: feminine

Synonyms

Hymenphysa M'Clelland, 1839
Diacantha Swainson, 1839
Hymenophysa Bleeker, 1858

References

Gray, J. E. (1831) Description of twelve new genera of fish, discovered by Gen. Hardwicke, in India, the greater part in the British Museum. Zoological Miscellany 1831: 7–9.
Kottelat, M. 2012. Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). Raffles Bulletin of Zoology 26(Supplement 26): 1–199. Full article (PDF). Reference page.

Vernacular names
English: Indian loaches
ไทย: ปลาหมู, ปลาแข้วไก้

Botia (Indian loaches) is a genus of freshwater fish in the loach family (Botiidae). It was a large genus with about 20 species. In 2004 Maurice Kottelat proposed in his paper (along with the description of Botia kubotai, see References below) to divide the genus into four related genera based on fish appearance and locality:

Botia for Indian loaches (shorter body).
Chromobotia for clown loach.
Syncrossus for tiger loaches (elongated body).
Yasuhikotakia for Mekong loaches (shorter body).

Another genus, Parabotia, was considered a separate genus earlier. It has an elongated body quite similar to Syncrossus, but with its range mostly restricted to China. With all these as separate genera, Botia species are restricted to South Asia (including Burma).

The fish in these genera possess a pair of razor-sharp spines under their eye sockets. These spines normally lie flat, but may be extended when the loach feels threatened. This behavior is rarely observed when the fish is swimming, but care must be taken when catching botia in fishnets — the projecting spines may become entangled, causing injury to the fish and/or damage to the net. Care must also be taken when transporting the larger botia, as their subocular spines may puncture the enclosing polyethylene bags that are normally used for this purpose.

One special characteristic of this loach group is the ability to produce a loud "clicking" noise, which is commonly heard during feeding time. This noise stems from a special type of pharyngeal teeth that are used to extract snails from their shells. For aquarists, this gives the botia a practical application, as they can be used to fight a snail infestation.

Another peculiarity of botia is that they are often seen resting on their side or in other strange positions. While this can be normal, healthy behaviour for botia, it is rarely observed in other types of fish. The unusual habit often causes needless panic for the inexperienced aquarist, who mistakenly assumes their fish is ill.
Species

There are currently nine recognized species in this genus:[1]

Image Scientific name Common Name Distribution
Botia almorhae J. E. Gray, 1831 Almorha loach, Yo-yo loach, Pakistani loach Ganges basin in northern India and possibly Nepal
Botia birdi B. L. Chaudhuri, 1909 Birdi loach India and Pakistan
Botia dario (F. Hamilton, 1822) Bengal loach, Queen loach the Brahmaputra and Ganges basins in Bangladesh, Bhutan and north India
Botia histrionica Blyth, 1860 Golden zebra loach India and Myanmar. Found in Salween basin
Botia kubotai Kottelat, 2004 Burmese Border loach Myanmar
Botia lohachata B. L. Chaudhuri, 1912 Reticulate loach Pakistan, India, Bangladesh and Nepal.
Botia rostrata Günther, 1868 Gangetic loach, Sergeant major loach Bangladesh and north India
Botia striata Narayan Rao, 1920 Zebra loach Western Ghats of India
Botia udomritthiruji H. H. Ng, 2007 Emperor loach south Burma.

References

Turner, Emma. 2007. "An Introduction To Keeping Botia" Loaches Online [1]
Kottelat, M. 2004. Botia kubotai, a new species of loach (Teleostei: Cobitidae) from the Ataran River basin (Myanmar), with comments on botiine nomenclature and diagnosis of a new genus. Zootaxa, 401: 1-18.
"Botia." ITIS Standard Report. (Integrated Taxonomic Information System: National Museum of Natural History, Washington, D.C., 2004-10-11). ITIS 638919
Ophir, M. 2009. "Keeping Loaches in Home Aquaria: General Tips and Recommendations". www.loachworld.com [2]

Kottelat, M. (2012): Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). Archived February 11, 2013, at the Wayback Machine The Raffles Bulletin of Zoology, Suppl. No. 26: 1-199.

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