Stephanolepis cirrhifer

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Stephanolepis cirrhifer
Stephanolepis cirrhifer.jpg
Stephanolepis cirrhifer
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Monacanthidae
Genus: Stephanolepis
Species:
S. cirrhifer
Binomial name
Stephanolepis cirrhifer
(Temminck & Schlegel, 1850) [2]
Synonyms
  • Monacanthus cirrhiferTemminck & Schlegel, 1850

Stephanolepis cirrhifer, commonly known as the thread-sail filefish, is a species of marine fish in the family Monacanthidae. It is found in the western Pacific, in an area that ranges from northern Japan to the East China Sea, to Korea. The fish grows to a maximum length of about 12 inches (30 centimetres), and consumes both plant material and small marine organisms like skeleton shrimp. S. cirrhifer is host of the parasite Peniculus minuticaudae . Some minor genetic differentiation between S. cirrhifer born in the wild and those bred in a hatchery for consumer use has been shown. The fish is edible and sold commercially for culinary purposes in many Asian countries.

Contents

Names

In Japan, it is known as kawahagi (カワハギ, 皮剥). In Korea, it is known as jwi-chi (쥐치). In Russian, it is called "small striped triggerfish".(Спинорог малый полосатый) [3] Other English names include "file fish", "fool fish", and "porky". [3]

Taxonomy

The fish was first described in 1850 by Coenraad Jacob Temminck and Hermann Schlegel, when it was observed along with other fauna off the coasts of Japan. They initially placed it in the genus Monacanthus , as Monacanthus cirrhifer; however, it was transferred to the genus Stephanolepis by David Starr Jordan and Henry Weed Fowler in 1903. [2] [4] The species name derives from the Latin word cirrhifer, which means "bearing fringes of hair". [5]

Description and habitat

KawaHG2013122201.jpg

Thread-sail filefish grow to a maximum adult length of about 30 centimetres (12 inches). The first dorsal fin is a strong retractable (folding backwards) spine. The second dorsal fin and anal fin are soft. They have comparatively small pectoral fins and truncated, fan-shaped tail fins. The dorsal and anal fins are colorless. Their second dorsal, anal and caudal fins rounded. In males, 1-3 soft dorsal fin rays extended as filaments; the first ray has a particularly long thread. The fish have a small abdominal spike. [3] The fish are colored from light brown, to grayish- to light greenish-beige, and are slightly patterned with irregular, broken stripes that range from medium brown to blackish. [6] [7]

Juveniles of the species usually seek shelter and safety from predators within clusters of drifting seaweed. The adult thread-sail filefish usually reside near the seabed, where the depth is around 10 metres (33 feet). The fish migrate wholly in ocean waters ("oceanodromous") between their feeding and spawning grounds, which can cover a range of over 100 kilometres (62 miles). [6] [7] The spawning season lasts from May to August. Juveniles under 5 centimetres (2.0 inches) inhabit shallow water and feed on small crustaceans, mollusks and algae. Adult fish are mostly solitary and live among the coral and seaweeds. [3]

Ecology

The thread-sail filefish is an omnivore, and can feed on plant or animal matter. Its diet includes kelp, but consists mainly of amphipods such as gammarids and skeleton shrimp, as well as the seagrass species Zostera marina . [6] The fish also feeds upon smaller organisms, including bryozoans and some species of serpulid tube worms. [8]

Thread-sail filefish feed on fish, amphipods, isopods, cirripeds, polychaetes, pelecypods, seaweeds such as those of the genus Sargassum ; and gelatinous plankton, such as the moon jellyfish Aurelia sp. and the giant jellyfish Nemopilema nomurai. [9]

S. cirrhifer is host of the pennellid copepod parasite Peniculus minuticaudae , which mostly infects the fins of the female fish. [10]

Uses

The thread-sail filefish is cultured and sold commercially as food in Asian countries, including Korea and Japan. [11] In Korea it is used as an ingredient for jwipo. The demand for the fish in Korea is very high, and fisheries often employ the services of fish hatcheries for breeding more of the fish to supplement and enhance the supply of stock. This has been done to such a degree that as many as 95 alleles have been found to be unique to one of the populations, resulting from minor variations in certain genes that occur exclusively within either population; genetic differentiation between S. cirrhifer born in the wild and those bred in a hatchery has apparently occurred. [11]

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References

  1. ↑ Matsuura, K.; Motomura, H.; Khan, M. (2019). "Stephanolepis cirrhifer". IUCN Red List of Threatened Species . 2019: e.T79803245A79803253. doi: 10.2305/IUCN.UK.2019-1.RLTS.T79803245A79803253.en . Retrieved 20 July 2020.
  2. 1 2 Bailly, Nicolas (2008). "Stephanolepis cirrhifer (Temminck & Schlegel, 1850)". WoRMS. World Register of Marine Species . Retrieved January 11, 2012.
  3. 1 2 3 4 Staff (2003). "Stephanolepis cirrhifer Temminck et Schlegel, 1850". Primorye fish (рыбы Приморья) (in Russian). Vladivostok: Institute of Marine Biology. Archived from the original on 16 December 2017. Retrieved 4 February 2016.
  4. ↑ Jordan, D.S.; Fowler, H.W. (1903). "A Review of the Trigger-fishes, File-fishes, and Trunk-fishes of Japan". Proceedings of the United States National Museum. 25 (1287): 251–286. doi:10.5479/si.00963801.25-1287.251 . Retrieved January 11, 2012.
  5. ↑ Jordan and Fowler (1903), p. 265.
  6. 1 2 3 Stephanolepis cirrhifer. Encyclopedia of Life. Retrieved January 11, 2012.
  7. 1 2 Journal of the Faculty of Science, Hokkaido University: Zoology. Vol. 14. Hokkaido University. 1958. Retrieved January 11, 2012.
  8. ↑ Publications from the Amakusa Marine Biological Laboratory, Kyushu University. Vol. 1–3. Kyushu University. 1966. p. 22. Retrieved January 11, 2012.
  9. ↑ Miyajima, Yuko; Masuda, Reiji; Yamashita, Yoh (2011). "Feeding preference of threadsail filefish Stephanolepis cirrhifer on moon jellyfish and lobworm in the laboratory" (PDF). Plankton & Benthos Research. 6 (1). Nagahama, Maizuru, Kyoto, Japan: Kyoto University: 12–17. doi: 10.3800/pbr.6.12 . Retrieved 2016-02-04.
  10. ↑ Ismail, Norshida; Ohtsuka, Susumu; Venmathi Maran, Balu Alagar; Tasumi, Satoshi; Zaleha, Kassim; Yamashita, Hirofumi (2013). "Complete life cycle of a pennellid Peniculus minuticaudae Shiino, 1956 (Copepoda: Siphonostomatoida) infecting cultured threadsail filefish, Stephanolepis cirrhifer". Parasite. 20: 42. doi:10.1051/parasite/2013041. ISSN   1776-1042. PMC   3813946 . PMID   24165196. Open Access logo PLoS transparent.svg
  11. 1 2 An, H. S.; Hong, S. W.; Kim, E. M.; Myeong, J. I. (2011). "Comparative genetic diversity of wild and hachery populations of Korean threadsail filefish Stephanolepis cirrhifer using cross-species microsatellite markers". Genes & Genomics. 33 (6): 605. doi:10.1007/s13258-011-0109-y. S2CID   20985233.
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