The inshore hagfish (Eptatretus burgeri) is a hagfish found in the Northwest Pacific, from the Sea of Japan and across eastern Japan to Taiwan. It has six pairs of gill pouches and gill apertures.[3] These hagfish are found in the sublittoral zone. They live usually buried in the bottom mud and migrate into deeper water to spawn. The inshore hagfish is the only member of the Myxinidae family having a seasonal reproductive cycle.
| Inshore hagfish | |
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| Inshore hagfish at the market in Busan | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | Myxini |
| Order: | Myxiniformes |
| Family: | Myxinidae |
| Genus: | Eptatretus |
| Species: | E. burgeri
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| Binomial name | |
| Eptatretus burgeri (Girard, 1855)
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| Synonyms[1][2] | |
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Generally very little is known about hagfish reproduction and embryos are difficult to obtain for study, although laboratory breeding of Eptatretus burgeri has succeeded.[4]
The hide of this hagfish is processed into "eel skin" in Korea and exported worldwide.
As food edit
In most countries hagfish are usually not eaten, but this particular species is valued as food in the Korean Peninsula and among the Koreans in Japan. It is also enjoyed by Japanese as a local delicacy in some regions, particularly Nagasaki and Niigata Prefectures. It is known as bùshì nián mángmán (布氏黏盲鰻)[5] and púshì nián mángmán (蒲氏黏盲鰻)[6] among other names in Mandarin Chinese, kkomjangeo (꼼장어) or meokjangeo (먹장어) in Korean,[7] and nuta-unagi (ヌタウナギ) in Japanese.[7]
As with all hagfish, the inshore hagfish produces slime when agitated. This is obtained by placing a live inshore hagfish into a container and knocking the container with a stick.
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References edit
- ^ Froese, R.; Pauly, D. (2017). "Myxinidae". FishBase version (02/2017). Retrieved 18 May 2017.
- ^ Van Der Laan, Richard; Eschmeyer, William N.; Fricke, Ronald (11 November 2014). "Family-group names of Recent fishes". Zootaxa. 3882 (1): 1–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
- ^ Fishbase - Eptatretus burgeri
- ^ Holland, ND (2007). "Hagfish embryos again: The end of a long drought". BioEssays. 29 (9): 833–6. doi:10.1002/bies.20620. PMID 17691082.
- ^ "Eptatretus burgeri." Checklist of Taiwanese Species at the Catalogue of Life in Taiwan. Biodiversity Research Center, Academia Sinica, Taiwan. Retrieved on 25 July 2021. (in Chinese)
- ^ 中国科学院动物研究所. "蒲氏盲鳗". 中国动物物种编目数据库. 中国科学院微生物研究所. Archived from the original on 2016-03-05. Retrieved 2021-07-25.
- ^ a b Species: Eptatretus burgeri (Girard, 1855)
External links edit
- P. Ekanayake, Y. D. Lee & J. Lee Antioxidant Activity of Flesh and Skin of Eptatretus Burgeri (Hag Fish)
- Kawakoshi, A.; Hyodo, S.; Yasuda, A.; Takei, Y. (2003). "A single and novel natriuretic peptide is expressed in the heart and brain of the most primitive vertebrate, the hagfish (Eptatretus burgeri)". Journal of Molecular Endocrinology. 31 (1): 209–220. doi:10.1677/jme.0.0310209. PMID 12914537.
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