|Cat-eLog Data Sheet|
|Scientific Name||Mystus aff. gulio|
|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.|
|Size||200mm or 7.9" 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.|
The true M. gulio grows much larger than this species, and is a more greenish (vs. grayish) color.
|Sexing||Males have an elongate genital papilla in front of the anal fin.|
|Distribution||Generally restricted to estuarine reaches of rivers in Southeast Asia.|
|pH||6.0 - 7.8|
|Temperature||22.0-27.0°C or 71.6-80.6°F (Show species within this range)|
|Other Parameters||Prefers brackish water, although it can do well in fresh water.|
|Feeding||Easily adapts to a wide variety of frozen and prepared food in the aquarium. May eat very small fish.|
|Furniture||The tank should be furnished with ample driftwood as hiding spaces.|
|Compatibility||Compatible with most fishes, although very small fishes will be eaten. Ideal tankmates include larger barbs and rasboras in an Asian biotope setup or an Asian brackish water setup with scats, archer fishes and gobies.|
Not overtly territorial, so more than one individual can be kept together.
|Registered Keepers||(1) Silurus, (2) HX67, (3) Animusartificio (k: 4), who also notes: "Needs open space. Sometimes following school of open swimmer cyprinids for leftover.".|
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- CotM 2014 June|
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|Last Update||2007 Jun 27 12:54 (species record created: 2003 May 22 00:00)|