Biology:Hemilepidotus

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Hemilepidotus, the Irish lords, is a genus of ray-finned fishes and the only member of the family Hemilepidotidae.[1][2] These fishes are found in the northern Pacific Ocean and adjacent regions of the Arctic Ocean.[3]

They were previously placed as the subfamily Hemilepidotinae in the family Agonidae, the poachers and sea ravens.[1] However, a 2026 study found it to form a distinct clade with Nautichthys and Hemitripteridae, and morphologically distinct enough to deserve its own family.[4]

Species

There are currently six recognized species in this genus:[3][5]

  • Hemilepidotus gilberti D. S. Jordan & Starks, 1904 (Gilbert's Irish lord)
  • Hemilepidotus hemilepidotus (Tilesius, 1811) (Red Irish lord)
  • Hemilepidotus jordani T. H. Bean, 1881 (Yellow Irish lord)
  • Hemilepidotus papilio (T. H. Bean, 1880) (Butterfly sculpin)
  • Hemilepidotus spinosus Ayres, 1854 (Brown Irish lord)
  • Hemilepidotus zapus C. H. Gilbert & Burke, 1912 (Longfin Irish lord)[5]

References

  1. 1.0 1.1 Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Genera in the family Hemilepidotidae". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=genus&family=Hemilepidotidae. 
  2. Fricke, R.; Eschmeyer, W. N.; Van der Laan, R. (2026). "ESCHMEYER'S CATALOG OF FISHES: CLASSIFICATION" (in en). https://www.calacademy.org/eschmeyers-catalog-of-fishes-classification. 
  3. 3.0 3.1 Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Species in the genus Hemilepidotus". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=species&genus=Hemilepidotus. 
  4. Vandenberg, Megan L.; Heiple, Zach; Kolmann, Matthew A.; Buser, Thaddaeus; Summers, Adam P.; Meléndez-Vazquez, Fernando; Arcila, Dahiana; Maslenikov, Katherine P. et al. (2026-04-01). "Phylogenomics of poachers (Agonidae) and the evolution of armor in cottoid fishes (Perciformes: Cottoidei)". Molecular Phylogenetics and Evolution 217. doi:10.1016/j.ympev.2026.108552. ISSN 1055-7903. https://www.sciencedirect.com/science/article/pii/S1055790326000229. 
  5. 5.0 5.1 Tokranov, AM; Orlov, AM; Sheiko, BA (2003). "Brief review of the genera Hemilepidotus and Melletes (Cottidae) and some traits of the biology of a new species for Russia Hemilepidotus zapus from Pacific waters of the northern Kurils". Journal of Ichthyology 43 (3): 333–49. https://www.researchgate.net/publication/236901457. 

Wikidata ☰ Q287301 entry