Argyropelecus hemigymnus

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Argyropelecus hemigymnus
Argyropelecus hemigymnus.jpg
Scientific classification
A. hemigymnus
Binomial name
Argyropelecus hemigymnus
Cocco, 1829
Messina Straits Argyropelecus hemigymnus.jpg

Argyropelecus hemigymnus, the half-naked hatchetfish, short silver hatchetfish or spurred hatchetfish, is a deep-sea hatchetfish of the genus Argyropelecus found in mesopelagically in all oceans. It is a small species rarely exceeding 38 millimetres (1.5 in) standard length.[1] It feeds on zooplankton, particularly ostracods and copepods.[2][3] 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.[4]


  1. ^ 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.
  2. ^ 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.
  3. ^ 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.
  4. ^ 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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