Argyropelecus hemigymnus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Stomiiformes
Family: Sternoptychidae
Genus: Argyropelecus
Species:
A. hemigymnus
Binomial name
Argyropelecus hemigymnus
Cocco, 1829

Argyropelecus hemigymnus, the half-naked hatchetfish, short silver hatchetfish or spurred hatchetfish, is a deep-sea hatchetfish of the genus Argyropelecus found mesopelagically in the Atlantic, Indian, and Pacific Oceans as well as in the Mediterranean Sea.[1][2] It is a small species rarely exceeding 38 millimetres (1.5 in) standard length.[3] It feeds on zooplankton, particularly ostracods and copepods.[4][5] Sexual maturation occurs at length of about 22 mm, and adult males have more developed olfactory organs than females, i.e. the species is sexually dimorphic.[6]

References

  1. 1 2 Harold, A.S. (2010). "Argyropelecus hemigymnus". IUCN Red List of Threatened Species. 2010: e.T154998A4687037. doi:10.2305/IUCN.UK.2010-4.RLTS.T154998A4687037.en. Retrieved 20 November 2021.
  2. ↑ Froese, Rainer; Pauly, Daniel (eds.) (2019). "Argyropelecus hemigymnus" in FishBase. December 2019 version.
  3. ↑ Baird, R. C. (1971). "The systematics, distribution, and zoogeography of the marine hatchetfishes (family Sternoptychidae)". Bulletin of the Museum of Comparative Zoology. 142: 1–128.
  4. ↑ Merrett, N. R.; Roe, H. S. J. (1974). "Patterns and selectivity in the feeding of certain mesopelagic fishes". Marine Biology. 28 (2): 115. doi:10.1007/BF00396302. S2CID 84296943.
  5. ↑ Hopkins, Thomas L.; Ronald C. Baird (1985). "Feeding ecology of four hatchetfishes (Sternoptychidae) in the eastern Gulf of Mexico". Bulletin of Marine Science. 36 (2): 260–277.
  6. ↑ Baird, R. C.; G. Y. Jumper; E. E. Gallaher (1990). "Sexual dimorphism and demography in two species of oceanic midwater fishes (Stomiiformes: Sternoptychidae) from the eastern Gulf of Mexico". Bulletin of Marine Science. 47: 561–566.


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