Arius (genus)
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| Arius Fossil range: Early Maastrichtian to Present[1] |
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| Pimelodus arius Hamilton, 1822 |
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Arius is a genus of catfishes (order Siluriformes) of the family Ariidae. The genus Arius is distributed in brackish and fresh waters of Eastern Africa and south to southeast Asia.[2]
Defining the limits so that Arius can form a natural grouping has always been a problem. The genus was never properly defined, and many species previously classified in Arius are now in other genera. Recent authors have recognized this genus as non-monophyetic, rejecting that the genus is a natural grouping. Two un-named groups are distinguished by accessory tooth plates, which are either very elongated and bearing molar-like teeth, or are oval shaped or subtriangular and bearing acicular (needle-like) or conic teeth.[2] A. jatius lacks these tooth plates, but has been included in this genus based on its adipose fin and lateral line.[2] The recognition of Arenarius as a junior synonym of Arius is tentative and needs to be further investigated.[2]
Arius species have three pairs of barbels, including the fleshy and cylindrical maxillary barbels and two pairs of mental barbels. The base of the adipose fin is moderately long, about half the length of the base of the anal fin.[2]
[edit] Species
Species according to Marceniuk & Menezes, 2007.[2]
- Arius acutirostris Day, 1877
- Arius africanus Günther, 1867
- Arius arenarius (Müller & Troschel, 1849)
- Arius arius (Hamilton, 1822)
- Arius brunellii Zollezi, 1939
- Arius burmanicus Day, 1870
- Arius caelatus Valenciennes, 1840
- Arius dispar Herre, 1926
- Arius festinus Ng & Sparks, 2003
- Arius gagora (Hamilton, 1822)
- Arius jatius (Hamilton, 1822)
- Arius jella Day, 1877
- Arius leptonotacanthus Bleeker, 1849
- Arius maculatus (Thunberg, 1792)
- Arius madagascariensis Vaillant, 1894
- Arius malabaricus Day, 1877
- Arius manillensis Valenciennes, 1840
- Arius microcephalus Bleeker, 1855
- Arius nenga (Hamilton, 1822)
- Arius oetik Bleeker, 1846
- Arius subrostratus Valenciennes, 1840
- Arius uncinatus Ng & Sparks, 2003
- Arius venosus Valenciennes, 1840
Moved to new genus (Marceniuk & Menezes, 2007)[2]
| Carlarius | ||
| Arius capellonis Steindachner, 1867 | → | Carlarius parkii |
| Arius gigas Boulenger, 1911 | → | Carlarius gigas |
| Arius heudelotii Valenciennes, 1840 | → | Carlarius heudelotii |
| Arius lagoensis Pfaff, 1933 | → | Carlarius latiscutatus |
| Arius latiscutatus Günther, 1864 | → | Carlarius latiscutatus |
| Arius mercatoris Poll, 1949 | → | Carlarius heudelotii |
| Arius parkii Günther, 1864 | → | Carlarius parkii |
| Amphiarius | ||
| Arius phrygiatus Valenciennes, 1840 | → | Amphiarius phrygiatus |
| Arius rugispinis Valenciennes, 1840 | → | Amphiarius rugispinis |
[edit] References
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology 364: p.560.
- ^ a b c d e f g Marceniuk, Alexandre P.; Menezes, Naércio A. (2007). "Systematics of the family Ariidae (Ostariophysi, Siluriformes), with a redefinition of the genera" (PDF). Zootaxa 1416: 1–126.
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