All FishesBagridaeMystus

  • Mystus nanus
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Scientific NameMystus nanus  Sudasinghe, Pethiyagoda, Maduwage & Meegaskumbura, 2016
Common Name
Type LocalityStream at Mawathgama, Bolgoda drainage, Colombo District, Western Province, Sri Lanka, 6°49'N, 80°00'E, elevation 16 meters.
Pronunciationmiss tuss
EtymologyThe 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. 
Hop to next section Species Information
IdentificationFishes 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.
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Distribution
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FeedingEasily adapts to a wide variety of frozen and prepared food in the aquarium. May eat very small fish.
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ReferencesIchthyological Exploration of Freshwaters v. 27 (no. 2) for Oct., pp 164, Figs. 1, 2a, 3a, 4, 6a.
Registered KeepersNone.
Breeding ReportsNone.
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Last Update2017 Mar 19 04:51 (species record created: 2016 Nov 18 16:21)