Rita rita ';
General information
Rita rita (Hamilton, 1822)
 
 
Common nameRita
Synonyms
Pimelodus rita Hamilton, 1822
Arius ritoides Valenciennes, 1840
Rita ritoides (Valenciennes, 1840)
Rita buchanani Bleeker, 1853
Arius cruciger Owen, 1853
Rita crucigera (Owen, 1853)
IUCN Red List status (2014)
Least Concern (LC)
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Bagridae.
Geographical distribution
India; Bangladesh; Pakistan; Myanmar; Nepal; Afghanistan
Occurrence Native: India, Bangladesh, Pakistan, Myanmar, Nepal, Afghanistan
Importance
Food
Remarks
Nil
Karyological information
Geographical area of study Gomti river, Jaunpur, Uttar Pradesh, India
Source of chromosomes
Kidney
Number of specimens with sex
14
Diploid chromosome number
54
Karyotype formula
20m+22s+6st+6t
Fundamental arm number
96
Chromosome length
1.14 to 2.21
Sex chromosome
Not detected
Chromosome staining/banding/FISH
CMA3 staining revelead NORs on terminal position of shortest submetacentric chromosome pair; C-bands on one pair.
Reference(s)
Kushwaha B, Yadav SK, Kumar R, Nagpure NS, Srivastava SK and Lakra WS (2008). Characterization of Freshwater Catfishes Rita rita (Hamilton, 1822) and Sperata Seenghala (Sykes, 1839) using Fluorescent Chromosome Banding. The Nucleus 51(3): 267-277.