| General information |
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Acipenser ruthenus  Linnaeus 1758 |
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| Common name | Sterlet sturgeon |
| Synonyms |
- |
| IUCN Red List status (2014) |
Vulnerable (VU) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Chondrostei; Acipenseriformes; Acipenseridae. |
| Geographical distribution |
China; Iran; Turkey; Russia; Germany; France; Bulgaria; Ukraine; Romania; Sweden; Denmark; Finland; Austria; Belarus; Bosnia and Herzegovina; Croatia; Czech Republic; Hungary; Latvia; Lithuania; Moldova; Serbia; Slovakia; Slovenia |
| Occurrence |
native: China; native: Iran; native: Turkey; native: Russia; introduced: Germany; not established: France; native: Bulgaria; native: Ukraine; native: Romania; introduced: Sweden; questionable: Denmark; questionable: Finland; native: Austria; native: Belarus; native: Bosnia and Herzegovina; native: Croatia; questionable: Czech Republic; native: Hungary; introduced: Latvia; introduced: Lithuania; native: Moldova; native: Serbia; native: Slovakia; native: Slovenia |
| Remarks |
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| Karyological information |
| Geographical area of study |
Brescia, Italy |
| Source of chromosomes |
Fin cell line |
| Number of specimens with sex |
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| Diploid chromosome number |
116 |
| Karyotype formula |
Not reported |
| Fundamental arm number |
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| Chromosome length |
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| Sex chromosome |
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| Chromosome staining/banding/FISH |
The signals of 5S probe are localized on two chromosomes; the signals of 18S–28S probe are interspersed within the telomeric regions of 6–8 chromosomes. |
| Reference |
Fontana F, Lanfredi M, Congiu L, Leis M, Chicca M, Rossi R (2003). Chromosomal mapping of 18S–28S and 5S rRNA genes by two-colour fluorescent in situ hybridization in six sturgeon species. Genome, 46: 473–477.
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| Cross Link |