Colisa lalius ';
General information
Colisa lalius (Hamilton, 1822)
 
 
Common nameDwarf gourami, Gowra
Valid name Trichogaster lalius (Hamilton, 1822)
Synonyms
Trichopodus lalius Hamilton, 1822
Polyacanthus lalius (Hamilton, 1822)
Colisa lalia (Hamilton, 1822)
Colisha lalius (Hamilton, 1822)
Colisa unicolor Cuvier, 1831
IUCN Red List status (2014)
Least Concern (LC)
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Anabantomorpharia; Anabantiformes; Osphronemidae.
Geographical distribution
India; Bangladesh; Pakistan; Singapore; Taiwan; Myanmar; Nepal; USA; Colombia
Occurrence Native: India, Bangladesh, Pakistan
Introduced: Singapore, Taiwan, USA, Colombia
Questionable: Myanmar, Nepal
Importance
Food/ornamental
Remarks
Nil
Karyological information
Geographical area of study Ditches and ponds near Kurukshetra University, Haryana, India.
Source of chromosomes
Gills and kidneys.
Number of specimens with sex
18 (10 male, 8 female)
Diploid chromosome number
46
Karyotype formula
14m+ 6sm+25a (male), 14m+6sm+26a (female)
Fundamental arm number
64
Chromosome length
-
Sex chromosome
Showed XX/XO type sex chromsome mechanism.
Chromosome staining/banding/FISH
-
Reference(s)
Rishi S, Gill PK, Rishi KK (1997). Karyotypic studies in eight species of fishes belonging to family Belontidae (Pisces Perciformes). Chromosome Science, 1: 55-59.