Cat-eLog Right Arrow Bagridae Right Arrow Mystus

Jump to next section Cat-eLog Data Sheet
Scientific Name Mystus ngasep  Darshan, Vishwanath, Mahanta & Barat , 2011
Common Name
Type Locality Nambul River at Bijoygovinda-Polemleikai Bridge, Chindwin-Irrawaddy drainage, Manipur State, India.
Synonym(s) Macrones bleekeri
Pronunciation miss tuss - nya - sep
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. The specific epithet is derived from the Manipuri local name of the fish: ‘Ngasep’.
Jump to next section Species Information
Size 109mm or 4.3" 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.

Mystus ngasep is distinguished from its congeners in having a unique combination of the following characters: a colour pattern of the body consisting of a distinct dark tympanic spot and three brown stripes separated by pale narrow longitudinal lines, cranial fontanel reaching the base of the occipital process, a long-based adipose fin contacting the base of the last dorsal-fin ray anteriorly, 16-19 gill rakers on the first branchial arch, a slender cleithral process, pectoral spine with 9-11 serrations on the posterior edge, eye with a diameter of 16.5–19.8 % HL and prepectoral length 22.2–26.0 % SL.
Sexing Males with long genital papilla reaching to the base of the second branched anal-fin ray. Females with rounded genital opening.
General Remarks Not exported for the trade as yet.
Jump to next section Habitat Information
Distribution Presently known from the Loktak Lake, Nambul, Manipur, Iril, Imphal, Thoubal, Khuga rivers and the tributaries of the Yu river (all belonging to the Chindwin River drainage) in Manipur.
Myanmar Waters, Irrawaddy, Chindwin (click on these areas to find other species found there)

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Jump to next section Husbandry Information
Feeding Easily adapts to a wide variety of frozen and prepared food in the aquarium. May eat very small fish.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References Mystus ngasep, a new catfish species (Teleostei: Bagridae) from the headwaters of Chindwin drainage in Manipur, India.
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Last Update 2013 Jan 04 15:10 (species record created: 2011 Nov 30 01:02)