Sternoptyx
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| Diaphanous Hatchetfish (S. diaphana) | |
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Sternoptyx
Hermann, 1781
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Sternoptyx is an oceanic ray-finned fish genus which belongs in the family Sternoptychidae. This is the type genus of the Sternoptychidae, as well as the marine hatchetfish subfamily Sternoptychinae.
Sternoptyx have silvery, high, and laterally compressed bodies and large, non-telescopic eyes.[1] They are all relatively small, with even the largest species (S. pseudobscura and S. pseudodiaphana) not exceeding 60 millimetres (2.4 in) standard length.[2]
Species
There are currently four recognized species in this genus:[2]
- Sternoptyx diaphana Hermann, 1781 (Diaphanous Hatchetfish)
- Sternoptyx obscura Garman, 1899
- Sternoptyx pseudobscura R. C. Baird, 1971 (Highlight Hatchetfish)
- Sternoptyx pseudodiaphana Borodulina, 1977 (False Oblique Hatchetfish)
Fossils of this genus show that they have existed at least since the Early Oligocene, about 30 million years ago.[3]
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Sternoptyx in FishBase. February 2012 version.
- ↑ Sepkoski, Jack (2002): [Sternoptyx]. In: A compendium of fossil marine animal genera. Bulletin of American Paleontology 364: 560. HTML database excerpt
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