| General information |
|
Semaprochilodus laticeps (Steindachner, 1879) |
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| 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 |
Colombia; Venezuela |
| Occurrence |
native: Colombia; 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 |
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| Chromosome staining/banding/FISH |
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| 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 |
7 |
| 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 |