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  • Mystus leucophasis
Jump to next section Cat-eLog Data Sheet
Scientific Name Mystus leucophasis  (Blyth, 1860)
Common Names Asian Upside-down Catfish
Burmese Upside-down Catfish, Großer Asiatischer Rückenschwimmender Erls (Germany), Sittang Mystus
Type Locality Sitang and other Myanmar [Burma] rivers.
Synonym(s) Bagrus leucophasis, Macrones leucophasis
Pronunciation miss tuss - loo koe fas iss
Etymology The generic name is probably derived from the Latin mystax, meaning moustache, in reference to the long barbels. It was first used by Scopoli in 1777 making it a very old genus that has included many catfishes from throughout the world at one time or another. 
Articles
Article - CotM 2000 March
Jump to next section Species Information
Size 300mm or 11.8" SL. Find near, nearer or same sized spp.
Identification Fishes of the genus Mystus Scopoli are small to medium-sized bagrid catfishes occurring in South Asia. Roberts (1994) recognized Mystus to have an elongate cranial fontanel reaching up to the base of the occipital process, long maxillary barbel, very long adipose fin, 11–30 gill rakers on the first gill arch and 37–46 total vertebrae, about equally divided between abdominal and caudal regions. He included only eight species under the genus. Mo (1991) characterized the genus to have a thin needle-like first infraorbital, twisted and thickened metapterygoid loosely attached to the quadrate by means of ligament or a small extent of cartilage. Jayaram & Sanyal (2003) and Ferraris (2007) respectively listed 44 and 33 species of Mystus as valid.

A truly inverting catfish. All black with a handful of diamond flecks along the flanks of sub-adult or older fish.
Sexing Males possess an elongate genital papilla which is located just fore of the anal fin and is quite predominant. Males also are thinner in the body and shorter in length at adult size (this is true of most Bagrids). Females are longer and heavier bodied.
Jump to next section Habitat Information
Distribution Burma; Sittang and other rivers
Myanmar Waters (click on these areas to find other species found there)
Myanmar Waters, Sittang (click on these areas to find other species found there)

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IUCN Red List Status Least Concern
pH 6.0 - 8.0
Temperature 23.0-27.0°C or 73.4-80.6°F (Show species within this range)
Other Parameters Water parameters are generally unimportant for the species. Ideally the water would be neutral and soft. A good current is recommendable.
Jump to next section Husbandry Information
Feeding Not a fussy feeder - all prepared foods are taken.
Furniture PVC pipe sections, one per fish, are required. These are preferred over, for example, flower pots and the like.
Compatibility Not to be kept with small fish (i.e. anything less than three fourths the size of the catfish) will be quickly eaten.
Suggested Tankmates Boisterous cichlids (even Mbuna) and larger Loricariids are the best choice although some of the larger Cyprinids (Tinfoil barbs for example) are also possible. Avoid slow moving fish.
Breeding Unreported in the home aquarium, although (as the images above show) is mass breed by commercial breeders.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References J. Asiatic Soc. Bengalv. 29 (no. 2) - pp148
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There are 68 registered keepers, view all "my cats" data.
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Last Update 2013 Jul 19 13:13 (species record created: 2001 Apr 21 00:00)