''Dallia'' is a genus of
mudminnows native to
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
and
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
. Molecular data indicates the genus is more closely related to ''Esox'' and ''Novumbra'' than ''Umbra.''
''Dallia'' diverged from ''Novumbra'' + ''Esox'' approximately 66 million years ago.
Species
Three species in this genus are recognized:
''
Dallia admirabilis''
Chereshnev, 1980 (Amguema blackfish)
''
Dallia delicatissima''
Smitt, 1881 (Pilkhykay blackfish)
''
Dallia pectoralis
The Alaska blackfish (''Dallia pectoralis'') is a species of freshwater fish in the esocid family (Esocidae) of order Esociformes. It inhabits Arctic regions of Alaska as well as Siberia and the Bering Sea islands.
Description
Alaska blackfish a ...
''
T. H. Bean, 1880 (Alaska blackfish)
Mitochondrial sequence data was examined from ''D. pectoralis'' and ''D. admirabilis'' and did not indicate that speciation within the genus in Russia; however, genetic isolation within Alaska for populations of ''D. pectoralis'' could be high and associated with karyotype differences.
References
Umbridae
Ray-finned fish genera
Taxa named by Tarleton Hoffman Bean
{{esociformes-stub