| General information |
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Synbranchus aff. lampreia (Bloch, 1795) |
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| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
- |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Euteleostei; Neoteleostei; Acanthomorpha; Acanthopterygii; Percomorpha; Synbranchiformes; Synbranchidae. |
| Geographical distribution |
- |
| Occurrence |
- |
| Remarks |
- |
| Karyological information |
| Geographical area of study |
Catalao Lake, Negro and Solimoes rivers’ confluence, Amazonas State, Brazil. |
| Source of chromosomes |
Renal cells. |
| Number of specimens with sex |
8 |
| Diploid chromosome number |
44 |
| Karyotype formula |
6m+2st+36a |
| Fundamental arm number |
50 |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
C-bands observed in centromeric and terminal regions of most chromosomes. Conspicuous C-blocks observed in proximal and distal regions in pairs 2, 5, 6, 7, 9, 10, 14, 18, 19 and 20. Ag-NOR located in terminal region of the long arms of chromosome pair 19 with a distal block of heterochromatin adjacent to the NOR, which was confirmed by FISH with 18S rDNA probe. 5S rDNA probe located on interstitial regions of long arms of pair 8. Telomeric probe showed no interstitial sites. |
| Reference |
Carvalho NDM, Gross MC, Schneider CH, Terencio ML, Zuanon J, Feldberg E (2012). Cytogenetics of Synbranchiformes: a comparative analysis of two Synbranchus Bloch, 1795 species from the Amazon. Genetica, 140: 149–158. |
| Cross Link |