| General information |
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Mallotus villosus (Müller, 1776) |
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| Common name | Capelin |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Saltwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Stomiatii; Osmeriformes; Osmeridae. |
| Geographical distribution |
China; Japan; South Korea; North Korea; Russia; Norway; Denmark; Iceland; Greenland; USA; Canada; Alaska; Faroe Islands; Svalbard and Jan Mayen |
| Occurrence |
questionable: China; native: Japan; native: South Korea; native: North Korea; native: Russia; native: Norway; native: Denmark; native: Iceland; native: Greenland; native: USA; native: Canada; native: Alaska; native: Faroe Islands; native: Svalbard and Jan Mayen |
| Remarks |
Size of chromosomes pair 1 was at least twice the size of pair 2. |
| Karyological information |
| Record 1 |
| Geographical area of study |
R/V 'Jan Mayen' along the Finnmark coast (Ingøy, Loppa), Barents Sea, Northern Norway. |
| Source of chromosomes |
Head kidney and spleen. |
| Number of specimens with sex |
28 (14 male, 14 female) |
| Diploid chromosome number |
54 |
| Karyotype formula |
26m/sm+28st/a |
| Fundamental arm number |
80 |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
45S rDNA FISH signal was observed in large amount on sm chromosome pairs 2, 3 and small amount on 4, 5, 6 and 7. Bulk of 5S rDNA signals were located on chromosome pairs 4, 5, 6, and 17, whereas small amount detected on pairs 3, 7 and 8. |
| Reference |
Ghigliotti L, Mazzei F, Ozouf-Costaz C, Christiansen JS, Fevolden S-E, Pisano E (2008). First cytogenetic characterization of the sub-arctic marine fish Mallotus villosus (Müller, 1776), Osmeriformes, Osmeridae. Genetics and Molecular Biology, 31, 1 (suppl), 180-187. |
| Record 2 |
| Geographical area of study |
Barents Sea, Northern Norway |
| Source of chromosomes |
Head kidney and spleen |
| Number of specimens with sex |
28 (14 males and 14 females) |
| Diploid chromosome number |
54 |
| Karyotype formula |
26 m/sm+28 st/a |
| Fundamental arm number |
80 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
45S and 5S rDNA clusters were detected on six and seven chromosome pair using FISH |
| Reference |
Ghigliotti L, Mazzei F, Ozouf-Costaz C, Christiansen JS, Fevolden SE, Pisano E (2008). First cytogenetic characterization of the sub-arctic marine fish Mallotus villosus (Müller, 1776), Osmeriformes, Osmeridae. Genetics and Molecular Biology, 31 (1): 180-187. |
| Cross Link |