| General information |
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Sternarchorhamphus muelleri (Steindachner, 1881) |
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| Synonyms |
Sternarchus muelleri Steindachner, 1881 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Gymnotiformes; Apteronotidae. |
| Geographical distribution |
Brazil; Peru; Venezuela |
| Occurrence |
native: Brazil; native: Peru; native: Venezuela |
| Importance |
Food |
| Karyological information |
| Geographical area of study |
Anequara River, Abaetetuba, Para, Brazil |
| Source of chromosomes |
Not reported |
| Number of specimens with sex |
02 males |
| Diploid chromosome number |
32 |
| Karyotype formula |
28m/sm+4st/a |
| Fundamental arm number |
60 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
C-banding showed the presence of constitutive heterochromatin in the centromeric regions of all chromosomes, a nucleolar organizer region was found in the interstitial region of the long arm of pair 15 that was confirmed by DAPI and chromomycin A3 staining and FISH with 18S rDNA probes. |
| Reference |
Silva FHR, Pieczarka JC, Cardoso AL, Silva PCD, Oliveira JA, Nagamachi CY (2014).Chromosomal diversity in three species of electric fish (Apteronotidae, Gymnotiformes) from the Amazon Basin.Genetics and Molecular Biology, 37(4):638-645. |
| Cross Link |