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All Fishes Data Sheet
Scientific Name	**Glyptothorax major** (Boulenger, 1894)
Common Name
Type Locality	Senah River, Tagora River and Baram River, Sarawak state, Borneo, East Malaysia.
Synonym(s)	Akysis major, Glyptosternum kuekenthali, Glyptosternum tiong, Glyptothorax tiong
Pronunciation	Gleep toe thor axe - may jorr
Etymology	The generic name comes from the Greek glyptos, meaning carved, and thorax, meaning breastplate (or the part of the body covered by it), in reference to the folds of skin comprising the thoracic adhesive apparatus. From the Latin major, meaning greater, in reference to the size of this species.
Species Information
Size	144mm or 5.7" SL. Find near, nearer or same sized spp.
Identification	Sisorid catfishes of the genus Glyptothorax Blyth are benthic inhabitants of torrential waters of rivers and streams in montane and submontane parts of tropical Asia. The members of the genus are adapted to attach themselves to rocks and boulders against strong currents by means of a thoracic adhesive apparatus comprising grooves and folded pleats of skin parallel or oblique to the longitudinal axis of the body. The genus has a wide distribution, ranging from Turkey and Syria in the west, to India and China in the east, and extending further southeastward to Indonesia. With 84 nominal species, Glyptothorax are the most speciose genus of catfishes in Asia (Eschmeyer et al., 1998, Ng, 2005); 67 species were treated as valid by Thomson & Page (2006). A robust, stout-bodied species with a relatively deep caudal peduncle and a fairly uniformly-colored body with little/no paler patches.
Sexing	Males have a longer genital papilla.
Habitat Information
Distribution	Asia: Mekong basin; also from Malaysia and Borneo. Pacific, Greater Sunda Island Rivers, Borneo Waters, East Borneo Waters, North Eastern Borneo Waters (click on these areas to find other species found there) Pacific, Greater Sunda Island Rivers, Borneo Waters, Western Borneo Waters, North Western Borneo Waters (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2019.
pH	6.6 - 7.8
Temperature	20.0-25.0°C or 68-77°F (Show species within this range)
Other Parameters	Strong current preferred. Good oxygenation necessary.
Husbandry Information
Feeding	Will feed on live/frozen food, but does not appear to take prepared foods. User data.
Furniture	A bottom of coarse sand/fine gravel and enough rocks to partially deflect the current and for the fish to hide in.
Compatibility	A peaceful species suitable for the hillstream biotope tank. Best kept in a well-oxygenated tank with strong current.
Breeding	Unreported in the aquarium.
Breeding Reports	There is no breeding report.
Further Information
Reference	Annals and Magazine of Natural History (Series 6) v. 13 (no. 75) (art. 26), pp 246.
Registered Keepers	There is no registered keeper.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There is no record of this fish being seen.
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	Look up G. major on PlanetCatfish.com
	Look up G. major on Fishbase
	Look up G. major on Encyclopedia of Life
	Look up G. major on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.20.170.1365
Last Update	2025 Jan 02 01:40 (species record created: 2006 Dec 28 00:18)