General information |
Semaprochilodus kneri (Pellegrin, 1909) |
|
|
|
Common name | Bocochico del Orinoco |
Synonyms |
- |
IUCN Red List status (2014) |
Not Reported |
Habitat |
Freshwater |
Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Prochilodontidae. |
Geographical distribution |
Venezuela |
Occurrence |
native: Venezuela |
Importance |
- |
Remarks |
- |
Karyological information |
Record 1 |
Geographical area of study |
Venezuela. |
Source of chromosomes |
Kidney tissue. |
Number of specimens with sex |
|
Diploid chromosome number |
54 |
Karyotype formula |
40m+14sm |
Fundamental arm number |
108 |
Chromosome length |
|
Sex chromosome |
|
Chromosome staining/banding/FISH |
|
Reference |
Nirchio M, Rossi AR, Foresti F, Oliveira C (2014). Chromosome evolution in fishes: a new challenging proposal from Neotropical species. Neotropical Ichthyology, 12(4): 761-770. |
Record 2 |
Geographical area of study |
Caicara del Orinoco, Bolivar State, Venezuela. |
Source of chromosomes |
Kidney. |
Number of specimens with sex |
24 |
Diploid chromosome number |
54 |
Karyotype formula |
40m+14sm |
Fundamental arm number |
- |
Chromosome length |
- |
Sex chromosome |
- |
Chromosome staining/banding/FISH |
AgNORs found on chromosome pair 2. Karyotype displayed a large amount of heterochromatin, mainly in the centromeric and pericentromeric regions of almost all chromosomes. |
Reference |
Oliveira C, Nirchio M, Granado A, Levy S (2003). Karyotypic characterization of Prochilodus mariae, Semaprochilodus kneri and S. laticeps (Teleostei: Prochilodontidae) from Caicara del Orinoco, Venezuela. Neotropical Ichthyology, 1(1): 47-52. |
Cross Link |