| Gephyroberyx japonicus | |
|---|---|
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Not recognized (IUCN 3.1)
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Beryciformes |
| Family: | Trachichthyidae |
| Genus: | Gephyroberyx |
| Species: | G. japonicus |
| Binomial name | |
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Gephyroberyx japonicus (Döderlein, 1883) |
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| Synonyms | |
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Trachichthys japonicus Döderlein, 1883 |
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Trachichthys japonicus Döderlein, 1883
Gephyroberyx japonicus, the big roughy or blueberry roughy, is a species of fish in the Trachichthyidae family. 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 (e.g., by IUCN) considered a synonym of G. darwinii.
It is sometimes seen in deep-sea exhibits in public aquariums and it has spawned in captivity.