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Superregnum : Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Siluriformes

Familia: Siluridae
Genus: Kryptopterus
Species: K. baramensis – K. bicirrhis – K. cryptopterus – K. dissitus – K. eugeneiatus – K. geminus – K. hesperius – K. lais – K. limpok – K. lumholtzi – K. macrocephalus – K. minor – K. mononema – K. palembangensis – K. paraschilbeides – K. piperatus – K. sabanus – K. schilbeides – K. vitreolus

Kryptopterus Bleeker, 1857

Type species: Kryptopterus micropus Bleeker, 1857


Cryptopterella Fowler, 1944
Cryptopterus Günther, 1864
Kryptopterichthys Bleeker, 1857


Bleeker, P.; 1857: Index descriptionum specierum piscium Bleekerianarum in voluminibus I ad XIV diarii societatis scientiarum indo-Batavae. Natuurkundig Tijdschrift voor Nederlandsch Indië, 14: 447–486. BHL
Bleeker, P.; 1858: De visschen van den Indischen Archipel. Beschreven en toegelicht. Siluri. Acta Soc. Sci. Indo-Neerl. v. 4, p. i-xii + 1-370.
Ferraris, C.J., jr. 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418: 1–628. Abstract & excerpt PDF (part 1) PDF (part 2) Reference page.


Kryptopterus – Taxon details on Integrated Taxonomic Information System (ITIS).

Kryptopterus is a genus of catfishes belonging to the family Siluridae. They are found in freshwater throughout Southeast Asia. The scientific name comes from Ancient Greek kryptós (κρυπτός, "hidden") + ptéryx (πτέρυξ, "fin"). It refers to the reduced or even entirely absent dorsal fin of these catfishes.[1]

These small- to medium-sized catfishes have opaque, transparent or translucent bodies, hence their common name Asian glass catfishes. Despite this name, only three described species have clearly transparent bodies: K. minor, K. piperatus and K. vitreolus.[2] Most significant among these is the ghost catfish (K. vitreolus), which is the "glass catfish" most often seen in the aquarium fish trade. This species was initially confused with the larger glass catfish (K. bicirrhis; infrequent in aquarium trade) and subsequently with K. minor (essentially absent from aquarium trade). This matter was only fully resolved in 2013.[2][3]

While 18 species have been described as of 2013, the genus Kryptopterus is notoriously rich in cryptic species. A number of these have been recognized in recent years, and more are likely to follow:[4][5]

Kryptopterus baramensis Ng, 2002
Kryptopterus bicirrhis (Valenciennes, 1840)
Kryptopterus cheveyi Durand, 1940
Kryptopterus cryptopterus (Bleeker, 1851)
Kryptopterus dissitus Ng, 2001 (Indochinese sheatfish)
Kryptopterus geminus Ng, 2003
Kryptopterus hesperius Ng, 2002 (Maeklong sheatfish)
Kryptopterus lais (Bleeker, 1851)
Kryptopterus limpok (Bleeker, 1852) (Long-barbel sheatfish)
Kryptopterus lumholtzi Rendahl (de), 1922
Kryptopterus macrocephalus (Bleeker, 1858) (Striped glass catfish)
Kryptopterus minor Roberts, 1989
Kryptopterus mononema (Bleeker, 1846)
Kryptopterus palembangensis (Bleeker, 1852)
Kryptopterus paraschilbeides Ng, 2003
Kryptopterus piperatus Ng, Wirjoatmodjo & Hadiaty, 2004
Kryptopterus schilbeides (Bleeker, 1858)
Kryptopterus vitreolus Ng & Kottelat, 2013 (Ghost catfish, phantom catfish, ghost fish, glass catfish)[5]

Some species formerly placed in Kryptopterus are nowadays in other Siluridae genera, in particular Phalacronotus but also Micronema and Pterocryptis.[6]
Wikimedia Commons has media related to Kryptopterus.

"Kryptopterus minor Roberts, 1989". Cat-eLog Data Sheets. PlanetCatfish. Retrieved 12 July 2014.
Ng, H-H. and M. Kottelat (2013). After eighty years of misidentification, a name for the glass catfish (Teleostei: Siluridae) Zootaxa 3630: 308-316.
SeriouslyFish: Kryptopterus vitreolus. Retrieved 18 July 2014.
Froese, Rainer and Pauly, Daniel, eds. (2013). Species of Kryptopterus in FishBase. February 2013 version.
Ng, H.H. & Kottelat, M. (2013): After eighty years of misidentification, a name for the glass catfish (Teleostei: Siluridae). Zootaxa, 3630 (2): 308–316., doi:10.11646/zootaxa.3630.2.6
Froese, Rainer, and Daniel Pauly, eds. (2014). "Siluridae" in FishBase. July 2014 version.

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