| General information |
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Trichopodus trichopterus (Pallas, 1770) |
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| Common name | Three spot gourami |
| Synonyms |
- |
| 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; China; Indonesia; Malaysia; Sri Lanka; Philippines; Thailand; Taiwan; Vietnam; Myanmar; Laos; Cambodia; Papua New Guinea; Namibia; USA; Colombia; Dominican Republic; Reunion; Seychelles |
| Occurrence |
introduced: India; native: China; native: Indonesia; native: Malaysia; introduced: Sri Lanka; introduced: Philippines; native: Thailand; introduced: Taiwan; native: Vietnam; native: Myanmar; native: Laos; native: Cambodia; introduced: Papua New Guinea; introduced: Namibia; not established: USA; introduced: Colombia; introduced: Dominican Republic; introduced: Reunion; introduced: Seychelles |
| Remarks |
- |
| Karyological information |
| Geographical area of study |
Nong Khai Province, Thailand. |
| Source of chromosomes |
Kidney. |
| Number of specimens with sex |
20 (10 male, 10 female) |
| Diploid chromosome number |
46 |
| Karyotype formula |
46t |
| Fundamental arm number |
46 |
| Chromosome length |
- |
| Sex chromosome |
Differentiated sizes related to sex chromosomes were not observed. |
| Chromosome staining/banding/FISH |
Observed single pair Ag-NOR pair located on chromosome pair 1, adjacent to telomeric position of long arm. Constitutive heterochromatin blocks presented at not only centromeres of several chromosome pairs (except pairs 8–11, 14, 16, 18–20), but also found at interstitial sites in chromosome pairs 1, 6, 14 and 19. |
| Reference |
Supiwong W, Wongchantra P, Thongnetr W, Mingkwan B, Chaiyasan P, Pinmongkhonkul S, Pinthong K, Tanomtong A. (2021). Comparative cytogenetic analysis of fishes in the genus Trichopodus (Osphronemidae) in Thailand. Biodiversitas 22: 3029-3036. |
| Cross Link |