Japanese flounder
| Paralichthys olivaceus | |
|---|---|
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| Korea flatfish in a supermarket display tank | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Pleuronectiformes |
| Family: | Paralichthyidae |
| Genus: | Paralichthys |
| Species: | P. olivaceus |
| Binomial name | |
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Paralichthys olivaceus (Temminck & Schlegel, 1846) |
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The olive flounder, bastard halibut or Japanese halibut (Paralichthys olivaceus) is a temperate marine species of large-tooth flounder native to the north-western Pacific Ocean.
It is often referred to as the Japanese flatfish or Korea(n) flatfish (광어) when mentioned in the context of those countries.
It reaches a length of 103 cm (41 in) and a weight of 9.1 kg (20 lb). In 2017 its genome and transcriptome was sequenced as a model to study flatfish asymmetry.
The olive flounder is the most common flatfish species raised in aquaculture in Korea. They are raised in Japan and China as well. It is the most highly prized of the Japanese flounders. Although the aquaculture for the olive flounder started from the late 1980s, its commercial production didn't begin on a major scale until the 1990s in Korea.
The Myxozoan Kudoa septemlineata has been described in 2010 from olive flounder from Korea. This microscopic parasite infects the trunk muscles of the olive flounder where it causes myoliquefaction. Ingestion of raw fish containing K. septemlineata spores has been reported as a cause of food poisoning (gastroenteritis) in Japan since 2003. However, laboratory studies performed in 2015 and 2016 on adult and suckling mice showed that K. septemlineata spores were excreted in faeces and did not affect the gastrointestinal tract.
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Wikipedia