Uroteuthis chinensis

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Uroteuthis chinensis
Specimen of Uroteuthis (Photololigo) chinensis in National Museum of Natural Science in Taiwan.JPG
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Myopsida
Family: Loliginidae
Genus: Uroteuthis
Species:
U. chinensis
Binomial name
Uroteuthis chinensis
(Gray, 1849)[1][2]

Uroteuthis chinensis,[3] also known as the Hanchi (Korean:한치)[4],Taiwanese squid (Mandarin Chinese:台灣槍烏賊) or mitre squid,[5] is a species of squid in the west Pacific Ocean, including the China Sea.

Characteristics

The body is elongated,[6] tapered,[7] and the tail end is tapered.[6] There is no longitudinal midline on the ventral surface.[6] The average carcass length of mature individuals is 30 cm [6] and the aspect ratio is 7:1.[8] There are two fins on the side of the tube, the fin is diamond-shaped, and the length of the carcass is greater than 2/3,[6] [8] making the carcass of the spear very much like a rocket, hence the name.[7]

Like other calamari species, two of the ten tentacles of this species are longer,[7] the wrist style is generally 3>4>2>1, and there are 2 rows of suckers.[8] There are about 12 large horny rings in the horny tentacles group with an average diameter of 1/2 times larger than that of the small horny horny rings at the edge, while the diameter of the largest horny horn ring is 2 times larger.[6] The horny ring of the largest tentacle has 20-30 sharp teeth, and the arrangement is 6-12 large teeth interspersed with 1-4 small teeth.[6]

It will emit light,[7] [8] and the illuminators are on both sides of the rectum, which are spindle-shaped.[8]

Chinese spear squid at different growth stages sometimes have different names among fishermen: they call the larvae of squid "small rolls", and the sub-adults are called "middle rolls".[6] They like to see the light, so the boatman will use big lights to guide them to swim on the water.[7]

Distribution

The main fishing grounds of this species are located in the Penghu Islands on both sides of the Taiwan Strait and the South Fujian Sea,[6] but it can also be seen in the northern part of the Beibu Gulf in Guangxi, around Hainan Island, Nanpeng Islands, and the South China Sea.[6] The peak period of its haunts is from May to June,[9][7] but in Hong Kong sometimes it can be caught in April. Compared with other cuttlefish or squid, its taste is thinner and sweeter, and it is generally used to stir-fry, stir-fry or eat as sashimi.[7]

References

  1. ^ Gray, J. E. 1849. Catalogue of the Mollusca in the British Museum. Part I. Cephalopoda Antepedia. 164
  2. ^ Liu., R. (2008). Checklist of marine biota of China Seas. Beijing: Science Press. p. 1267. ISBN 978-7-03-023722-4.
  3. ^ Roper, C.F.E.; Sweeney, M.J.; Nauen, C.E. (1984). "Cephalopods of the world. An annotated and illustrated catalogue of species of interest to fisheries". FAO Species Catalogue. 3: 275. Retrieved 24 February 2021.
  4. ^ Yoon, Sung-jin (2018). "Test Study for the introduction of the Ulleung Fishery politics compartment waters". Journal of Korean Society for Marine Life Science. Korean Society of Marine Life Science. 3 (1): 22–30. ISSN 2508-7134. Retrieved February 23, 2021.
  5. ^ "Uroteuthis chinensis, Mitre squid : Fisheries".
  6. ^ a b c d e f g h i j "国际贝库：台灣鎖管" (in Traditional Chinese). 台湾贝类资料库. Archived from the original on 2016-03-04. Retrieved 2018-04-07.
  7. ^ a b c d e f g "Uroteuthis (Photololigo) chinensis Gray, 1849 ". TaiBIF. Retrieved 2013-01-24.
  8. ^ a b c d e "海產乾類". 香港食物規格資料庫網站 (in Simplified Chinese). Archived from the original on 2019-03-08. Retrieved 2018-03-28.
  9. ^ "南風吹大豐收 鮮墨爆炒爽!" (in Traditional Chinese). 蘋果日報 (香港). 2012-05-29. Archived from the original on 2019-09-17. Retrieved 2018-03-28.

External links

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