Neosalanx tangkahkeii

Neosalanx tangkahkeii, the Chinese icefish or short-snout icefish, is a species of icefish endemic to fresh and brackish waters in China.[1][2] Despite its common name it is not the only icefish in China; the majority of the species in this family are found in the country.[3]

Neosalanx tangkahkeii

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osmeriformes
Family: Salangidae
Genus: Neosalanx
Species:
N. tangkahkeii
Binomial name
Neosalanx tangkahkeii
(H. W. Wu, 1931)

Neosalanx tangkahkeii is widely fished. In addition to being eaten in Asia, it is exported to southern Europe as a replacement of the more expensive transparent goby, a Mediterranean species used in the local cuisine. This replacement is often done openly, but sometimes it is done fraudulently.[4]

Appearance

Neosalanx tangkahkeii reached up to 6.3 cm (2.5 in) in standard length.[2] They have a smooth, scale-less body, except the male has a thin line of scales at the tail base. The body is a white opaque color and the head is transparent.[2]

Conservation status

Neosalanx tangkahkeii is a widespread species and among others found in the Yangtze and Yellow River basins.[1] In some parts of its range it is a relatively low-density species and in a survey of the five freshwater icefish species in the Yangtze, it was the least widespread and frequent.[5] In some regions it has declined due to habitat loss, pollution and overfishing. Despite this the species is not considered threatened overall, being rated as least concern by the IUCN.[1]

As an introduced species

It is one of four icefish species (the others are N. pseudotaihuensis, N. taihuensis and Protosalanx) that has been introduced to several parts of China where not naturally found. Most of these attempted introductions failed, but some were successful.[6][7][8] In the Yunnan lakes some attempts were successful and N. tangkahkeii is now often the most common fish species in them. Feeding on planktonic crustaceans and tiny fish, N. tangkahkeii has outcompeted certain native fish in these lakes, which have become rare and threatened.[6][9]

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gollark: As planned.
gollark: Telling people that they should support some sort of equality thing because, in a thought experiment, they would be randomly assigned whatever attributes, does not seem like it would work.
gollark: Given that people already exist who are *not* in some randomly assigned position, I don't see how you can use the veil of ignorance thing for much beyond just evaluating some details about how good a society is.
gollark: 🐝 ❕

References
  1. Zhao, H.H. (2011). "Neosalanx tangkahkeii". The IUCN Red List of Threatened Species. 2011: e.T166945A6294265. doi:10.2305/IUCN.UK.2011-2.RLTS.T166945A6294265.en.
  2. Froese, Rainer and Pauly, Daniel, eds. (2019). "Neosalanx tangkahkeii" in FishBase. February 2019 version.
  3. Zhongsuo, W.; F. Cuizhang; L. Guangchun (2002). "Biodiversity of Chinese Icefishes (Salangidae) and their conserving strategies". Chinese Biodiversity. 10 (4): 416–424.
  4. Armani, A.; Castigliego, L.; Tinacci, L.; Gianfaldoni, D.; Guidi, A. (2011). "Molecular characterization of icefish, (Salangidae family), using direct sequencing of mitochondrial cytochrome b gene". Food Control. 22 (6): 888–895. doi:10.1016/j.foodcont.2010.11.020.
  5. Wang, Z.; C. Lu; H. Hu; Y. Zhou; C. Xu; G. Lei (2005). "Freshwater icefishes (Salangidae) in the Yangtze River basin of China: Spatial distribution patterns and environmental determinants". Environmental Biology of Fishes. 73 (3): 253–262. doi:10.1007/s10641-005-2146-3.
  6. Kang, B.; J. Deng; Z. Wang; J. Zhang (2013). "Transplantation of Icefish (Salangidae) in China: Glory or Disaster?". Reviews in Aquaculture. 7 (1): 13–27. doi:10.1111/raq.12047.
  7. Qin, J.; J. Xu; P. Xie (2007). "Diet overlap between the endemic fish Anabarilius grahami (Cyprinidae) and the exotic noodlefish Neosalanx taihuensis (Salangidae) in Lake Fuxian, China". Journal of Freshwater Ecology. 22 (3): 365–370. doi:10.1080/02705060.2007.9664165.
  8. Liu, Z. (2001). "Diet of the zooplanktivorous icefish Neosalanx pseudotaihuensis Zhang". Hydrobiologia. 459 (1): 51–56. doi:10.1023/A:1012578919268.
  9. Ye, S.; M. Lin; L. Li; J. Liu; L. Song; Z. Li (2015). "Abundance and spatial variability of invasive fishes related to environmental factors in a eutrophic Yunnan Plateau lake, Lake Dianchi, southwestern China". Environmental Biology of Fishes. 98 (1): 209–224. doi:10.1007/s10641-014-0252-9.


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