Biology:Pleurogrammus

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Short description: Genus of fishes

Pleurogrammus
Pleurogrammus azonus 2.jpg
Okhotsk atka mackerel
Pleurogrammus monopterygius.jpg
Atka mackerel
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Hexagrammidae
Subfamily: Pleurogramminae
Rutenberg, 1954[1]
Genus: Pleurogrammus
T. N. Gill, 1861
Type species
Labrax monopterygius
Pallas, 1810[2]
Synonyms[2]
  • Stellistius Jordan & Tanaka, 1927

Pleurogrammus is a genus of ray-finned fishes belonging to the family Hexagrammidae, the greenlings, known as Atka mackerels. These fishes are found in the northwestern Pacific Ocean.

Taxonomy

Pleurogrammus was first proposed as a genus in 1861 by the American biologist Theodore Gill with Labrax monopterygius, which had been described in 1810 by Peter Simon Pallas, as its type species.[2][3] The genus was placed in the monogeneric subfamily Pleurogramminae within the family Hexagrammidae by E. P. Rutenberg in 1954.[1][4]

Etymology

Pleurogrammus is a compound of pleuro, which means "side", and grammus, meaning "line", a reference to the five lateral line canals on each flank.[5]

Species

The currently recognized species in this genus are:[6]

Image Scientific name Common Name Distribution
Pleurogrammus azonus 2.jpg Pleurogrammus azonus D. S. Jordan & Metz, 1913 Okhotsk atka mackerel Sea of Okhotsk.
Atka mackerel.jpg Pleurogrammus monopterygius (Pallas, 1810) atka mackerel Sea of Japan and the waters off Hokkaido, as well as the southern Kuril Islands, and from Stalemate and Bowers Bank in the Aleutian chain to Icy bay, Alaska

Characteristics

Pleurogrammus species have no incision in the dorsal fin, or, if present, the incision is not deep. The caudal fin is forked and there are 5 lateral lines on each flankl. The upper surface of the skull is strongly ridged.[7] There are between 21 and 24 spines and 24 and 30 soft rays in the dorsal fin while the anal fin typically has no spine and has between 23 and 32 soft rays. The head is partially covered in scales.[4] These are relatiely large species with the largest being P. azonus which has a maximum published total length is 62 cm (24 in), although P. monopterygius is only slightly smaller.[6]

Distribution and habitat

Pleurogrammus are found in the northern Pacific Ocean around Japan and in the Sea of Okhotsk east to Alaska.[4] These are mainly pelagic fishes.[7]

Fisheries

Pleurogrammus are fished for and P. monopterygius is the target of a commercial fishery in Alaska which mainly uses bottom trawls.[8]

References

  1. 1.0 1.1 Richard van der Laan; William N. Eschmeyer; Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa 3882 (2): 001–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675. https://www.researchgate.net/publication/268078514. 
  2. 2.0 2.1 2.2 Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Genera in the family Pleurogramminae". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=genus&family=Pleurogramminae. 
  3. Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Species in the genus Pleurogrammus". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=species&genus=Pleurogrammus. 
  4. 4.0 4.1 4.2 J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 467–495. ISBN 978-1-118-34233-6. https://sites.google.com/site/fotw5th/. 
  5. Christopher Scharpf; Kenneth J. Lazara, eds (18 July 2021). "Order Perciformes: Suborder Cottoidea: Infraorder Hexagrammales: Family Hexagrammidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. https://etyfish.org/perciformes18/. 
  6. 6.0 6.1 Froese, Rainer and Pauly, Daniel, eds. (2022). Species of Pleurogrammus in FishBase. August 2022 version.
  7. 7.0 7.1 Catherine W. Mecklenburg; William N. Eschmeyer (2003). "Family Hexagrammidae Gill 1889 Greenlings". California Academy of Sciences Annotated Checklists of Fishes 2. https://www.calacademy.org/sites/default/files/assets/docs/hexagrammidae.pdf. 
  8. "Atka Mackerel (Pleurogrammus monopterygius) Species Profile". Alaska Department of Fish and Game. https://www.adfg.alaska.gov/index.cfm?adfg=atkamackerel.main. 

Wikidata ☰ Q309738 entry