Hypomesus

Hypomesus is a genus of smelts (Osmeridae), consisting of five species found in the northern hemisphere.

Hypomesus
Temporal range: 28–0 Ma Late Oligocene to Present[1]
Delta smelt, Hypomesus transpacificus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osmeriformes
Family: Osmeridae
Genus: Hypomesus
T. N. Gill, 1862

Species

There are currently five recognized species in this genus:[2]

The pond smelt H. olidus is widespread across northeastern Asia, Alaska, and northwestern Canada, while the Delta smelt H. transpacificus is an endangered species of the Sacramento Delta in California. H. chishimaensis was at one time thought to be a separate species, but has since been identified as a population of H. nipponensis.

Hypomesus
 
 
 

H. olidus

 
 

H. nipponensis

 
 
 
 

H. japonicus

 
 
 

H. pretiosus

 
 

H. transpacificus

 
 
 
 
Phylogeny of the genus Hypomesus including H. chishimaensis under H. nipponensis.[3][4]
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References
  • "Hypomesus". Integrated Taxonomic Information System. Retrieved 6 June 2006.
  1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on July 23, 2011. Retrieved 2007-12-25.
  2. Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Hypomesus in FishBase. February 2012 version.
  3. HighBeam Are Hypomesus chishimaensis and H. nipponensis (Osmeridae) Distinct Species?
  4. Evolutionary and biogeographical patterns within the smelt genus Hypomesus in the North Pacific Ocean, Katriina L. Ilves and Eric B. Taylor, Journal of Biogeography, (2008) 35, 48–64


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