Gephyroberyx japonicus

Gephyroberyx japonicus, the big roughy or blueberry roughy, is a species of fish in the family Trachichthyidae.[2] It is endemic to the northwest Pacific off Japan, Taiwan and Hawaii,[2][3][4] and can be found at depths between 300 and 1,500 m (980–4,920 ft).[5] It can reach 30–35 cm (12–14 in) in length.[6] Based on broadly overlapping morphological features it is sometimes (e.g., by IUCN) considered a synonym of G. darwinii.[1][4][7]

Gephyroberyx japonicus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Beryciformes
Family:
Trachichthyidae
Genus:
Gephyroberyx
Species:
G. japonicus
Binomial name
Gephyroberyx japonicus
(Döderlein, 1883)
Synonyms

Trachichthys japonicus Döderlein, 1883

It is sometimes seen in deep-sea exhibits in public aquariums and it has spawned in captivity.[6]

References
  1. Moore, J. (2015). "Gephyroberyx japonicus". The IUCN Red List of Threatened Species. IUCN. 2020: e.T123358301A123360101. doi:10.2305/IUCN.UK.2020-1.RLTS.T123358301A123360101.en. Retrieved 9 March 2023.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2015). "Gephyroberyx japonicus" in FishBase. October 2015 version.
  3. Shen, S.C. (1993). Fishes of Taiwan. Department of Zoology, National Taiwan University, Taipei
  4. Mundy, B.C. (2005). Checklist of Fishes of the Hawaiian Archipelago. Bishop Museum, Bulletins of Zoology.
  5. JAMSTEC 2000 Annual Report (2000). Japan Marine Science & Technology Center, Yokosuka, Japan.
  6. Oka, S.I., and Higashiji, T. (2012). Early ontogeny of big roughy Gephyroberyx japonicus (Beryciformes: Trachichthyidae) in captivity. Ichthyol. Res. 59: 282-285
  7. 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.
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