| General information |
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Cottus pollux Gunther, 1873 |
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| Common name | Japanese fluvial sculpin |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Eupercaria; Perciformes; Cottioidei; Cottales; Cottidae. |
| Geographical distribution |
China; Japan |
| Occurrence |
questionable: China; native: Japan |
| Karyological information |
| Geographical area of study |
Yoshihama river,Sanriku-Cho, Iwate Prefecture, Japan |
| Source of chromosomes |
Gill |
| Number of specimens with sex |
20 (07 male, 13 female) |
| Diploid chromosome number |
48 |
| Karyotype formula |
4m+6sm+16st+22a |
| Fundamental arm number |
58 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Not reported |
| Reference |
Ida H, Tereshima H, Fujimi T (1989). Karyotypes in four species of the family Cottidae. Japanese Journal of Ichthyology, 36 (1): 135-140. |
| Cross Link |