Biology:Disymphia

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Disymphia molitorella (mud carp or dace) is a species of ray-finned fish in a monospecific genus found mainly in southern China and Vietnam.

History

The mud carp is a native Asian freshwater fish with a broad distribution from the Mekong River to the Pearl River deltas, inhabiting lakes, rivers and reservoirs.[citation needed]

Mud carp cultivation was introduced to China during the Tang dynasty (618–907 AD) as a substitute for common carp, as the common carp was forbidden to fish due to a ban.[1] Chinese aquaculture farmers adapted by raising mud carp, which were bottom feeders, in polyculture with top-feeding grass carp, while silver carp or bighead carp lived and fed in the middle depths.[2]

Habitat

Mud carp is typically a subtropical fish.[3] The mud carp is found in the mud and Mekong River and Pearl River delta, as well as bodies of freshwater along these two rivers.[citation needed] In China's Guangdong province and Guangxi autonomous region, mud carp makes up about 30% of the freshwater fish population.[4]

The fish has been introduced to Indonesia, Singapore, Japan, Taiwan, and Hong Kong.[1]

Within China the fish is raised on fish farms.[citation needed]

Dispersion

The mud carp is native to Southern China and parts of Mainland Southeast Asia. It is present in major river systems such as the Pearl River, Red River (China/Vietnam), Mekong River, and Chao Phraya River.[1]

Diet

Mud carp is an omnivore and mainly consumes water plants or insects. Farm raised carp are fed pellets.[citation needed]

Culinary use

Fried dace with salted black beans

Due to low cost of production, the fish is mainly consumed by the poor and locally consumed; it is mostly sold live and eaten fresh, but can be dried and salted.[1] Increased fishing has threatened wild populations of mud carp.[5]

The fish is sometimes canned (typically as fried dace with salted black beans) or processed as fish cakes, fish balls [6] or dumplings. They can be found for retail sale within China and throughout the Chinese diaspora.[1] Canned dace from China has periodically been found to carry traces of malachite green, a carcinogenic antimicrobial banned for use in food.[7][8][9]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Z., Xinping (7 April 2006). "Cultured Aquatic Species Information Programme. Cirrhinus molitorella.". Rome: FAO Fisheries Division. https://www.fao.org/fishery/en/culturedspecies/cirrhinus_molitorella/en. 
  2. ↑ Fagan 2017, Ch. 17.
  3. ↑ FAO 1983, p. 15.
  4. ↑ Rath 2011, p. 22.
  5. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named IUCN
  6. ↑ "Carp Family". http://www.clovegarden.com/ingred/sf_carpz.html. 
  7. ↑ "Detention Without Physical Examination of Aquacultured, Shrimp, Dace, and Eel from China-Presence of New Animal Drugs and/or Unsafe Food Additives". United States FDA. 2020-09-30. https://www.accessdata.fda.gov/CMS_IA/importalert_33.html. 
  8. ↑ "CFS finds traces of malachite green in two tinned fried dace samples" (Press release). Hong Kong. Hong Kong Centre for Food Safety. 2015-08-29. Retrieved 2020-11-11.
  9. ↑ "CFS finds traces of malachite green in canned fried dace sample" (Press release). Hong Kong. Hong Kong Centre for Food Safety. 2019-09-19. Retrieved 2020-11-11.

Bibliography

Template:Carp Wikidata ☰ Q139513 entry