Gephyroberyx

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Gephyroberyx
Gephyroberyx japonicus.jpg
Big roughy (G. japonicus)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Trachichthyiformes
Family: Trachichthyidae
Genus: Gephyroberyx
Boulenger, 1902
Species

1-2, see text

Gephyroberyx is a genus of fishes in the slimehead family.

Species

Once, three species were placed in this genus, but Gephyroberyx philippinus is now considered to be a synonym of G. darwinii. [1] [2] Based on broadly overlapping morphological features, G. japonicus should also be regarded a synonym of G. darwinii, [2] [3] but both are recognized as valid species by FishBase: [4]

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Gephyroberyx japonicus, the big roughy or blueberry roughy, is a species of fish in the family Trachichthyidae. It is endemic to the northwest Pacific off Japan, Taiwan and Hawaii, and can be found at depths between 300 and 1,500 m (980–4,920 ft). It can reach 30–35 cm (12–14 in) in length. Based on broadly overlapping morphological features it is sometimes considered a synonym of G. darwinii.

<i>Gephyroberyx darwinii</i> Species of fish

Gephyroberyx darwinii, the big roughy or Darwin's slimehead, is a species of fish in the slimehead family found widely in the Atlantic and Indo-Pacific oceans. This deep-sea species reaches a length of 60 cm (2.0 ft) and is mainly found at depths of 200 to 500 m (660–1,640 ft), but has been recorded between 9 and 1,210 m (30–3,970 ft). Based on broadly overlapping morphological features it sometimes includes G. japonicus as a synonym.

The Western Pacific roughy is a species of slimehead found in the Northwest Pacific along Japan's southern coast in Sagami Bay, Suruga Bay, and the Sea of Japan. It can reach up to 12.6 cm (5.0 in) SL and its depth range is 336–605 m (1,102–1,985 ft).

References

  1. Froese, R. and D. Pauly, Eds. Gephyroberyx philippinus. FishBase. 2013.
  2. 1 2 Kim, B.J., Go, Y.B., and Imamura, H. (2004). First record of the Trachichthyid Fish, Gephyroberyx darwinii (Teleostei: Beryciformes) from Korea. Korean J. Ichthyol. 16(1): 9-12.
  3. Iwamoto, T. (2015). "Gephyroberyx darwinii". The IUCN Red List of Threatened Species . IUCN. 2015: e.T16449531A16509807. doi: 10.2305/IUCN.UK.2015-4.RLTS.T16449531A16509807.en . Retrieved 14 January 2018.
  4. Froese, Rainer and Pauly, Daniel, eds. (2016). Species of Gephyroberyx in FishBase . May 2016 version.