Kryptopterus bicirrhis: Difference between revisions
rvv. well-intended, but please read the note before adding a photo (relevant to the new photo, too -- despite file name, it shows Kryptopterus vitreolus, not Kryptopterus bicirrhis of this wiki article) |
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{{italic title}}{{Taxobox |
{{italic title}}{{Taxobox |
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|name =''Kryptopterus bicirrhis'' |
|name =''Kryptopterus bicirrhis'' |
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|image= Kryptopterus bicirrhis Cologne Zoo.jpg |
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|image= <!-- frequently confused with Kryptopterus vitreolus (often under the name K. minor). The true Kryptopterus bicirrhis is not clearly transparent (see text & citations for details; also a good photo of real K. bicirrhis at PlanetCatfish) --> |
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| status = LC |
| status = LC |
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| status_system = IUCN3.1 |
| status_system = IUCN3.1 |
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Revision as of 22:00, 9 February 2015
| Kryptopterus bicirrhis | |
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| Species: | K. bicirrhis
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| Kryptopterus bicirrhis (Valenciennes, 1840)
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Kryptopterus bicirrhis, often called the glass catfish, is an Asian glass catfish species of the genus Kryptopterus. Until 1989, the concept of K. bicirrhis included its smaller relative Kryptopterus vitreolus ("ghost catfish"; often confused with K. minor). Its scientific name K. bicirrhis and common name glass catfish are often still used in the aquarium fish trade to refer to the actual K. vitreolus; as it seems, the larger and more aggressive true K. bicirrhis was only ever exported in insignificant numbers.[2][3][4]
In western Borneo, where K. minor and K. bicirrhis are sympatric, both species are known as lais tipis in the Malay language, but when locals want to distinguish the two, they refer to K. minor as lais limpok. In Cambodia, where it is known as trey kes prak, the Khmer people use the ghost catfish as a key ingredient in the fine fish condiment prahoc.[5][failed verification]
Description
The true K. bicirrhis is easily separated from K. vitreolus. K. bicirrhis reaches a significantly larger size, up to 15 cm (5.9 in) standard length, and most of its body is not clearly transparent (only obvious around the head).[2][3][4] The body of K. bicirrhis is mostly opaque and light greyish.[2][3][4]
When struck by light, it has an iridescence, and it turns milky white when it dies. It has two long barbels, which are as long again as the body in front of the anal fin. The dorsal fin is reduced to a tiny triangle, and the pectoral fins are longer than the head.[2][3]
Ecology
Kryptopterus bicirrhis is found in Borneo, Sumatra, the Malay Peninsula, and the Chao Phraya and Mekong drainage basins.[5]
This freshwater catfish inhabits large rivers with turbid water, where they typically live near the shore in fast-flowing water. It seems to prefer peaty water with a rather low temperature for its tropical range, around 21 to 26 °C (70 to 79 °F). It is a diurnal predators and mainly eats water bugs and occasionally smaller fishes.[5]
See also
References
- ^ Template:IUCN
- ^ a b c d "Kryptopterus bicirrhis". Cat-eLog Data Sheets. PlanetCatfish. April 6, 2008. Retrieved July 12, 2014.
- ^ a b c d Ng, H-H. and M. Kottelat (2013). After eighty years of misidentification, a name for the glass catfish (Teleostei: Siluridae) Zootaxa 3630: 308-316.
- ^ a b c SeriouslyFish: Kryptopterus bicirrhis Retrieved 19 July 2014.
- ^ a b c Froese, Rainer; Pauly, Daniel (eds.). "Kryptopterus bicirrhis". FishBase. July 2014 version.