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Silurus mento Regan, 1904

Kunming catfish
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Silurus mento
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China country information

Common names: Kunming catfish, 昆明鯰, 昆明鲶
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Endemic to Dian Chi Lake (Ref. 6376), with a surface area of 292.6 sq. m in the Yunnan Province. It was common before the 1950s and has become rare afterwards that it was not found anymore in the lake since the 1970s. The most likely caused by habitat loss and introduced species, It is most likely extinct but further surveys are needed to confirm its disappearance for it may be possible that a population may still be present in connected resoirvoirs such as in Songhuaba.. Assessed as Critically Endangered in January 2008 with assumed 0-50 number of mature individuals (Ref. 117912). Also Ref. 9417, 35840, 45563. Status of threat: Endangered (Ref. 45563).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: IUCN, 1994
National Database:

Common names from other countries

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Siluridae (Sheatfishes)
Etymology: Silurus: Greek, silouros = a cat fish + Greek, odous = teeth (Ref. 45335).
  More on author: Regan.

Environment: milieu / climate zone / depth range / distribution range экология

; пресноводный демерсальный.   High altitude; 25°N - 24°N

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Asia: endemic to Dian Chi Lake, Yunnan, China.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm TL самец/пол неопределен; (Ref. ); common length : 21.5 cm TL самец/пол неопределен; (Ref. 35840)

Краткое описание морфология | морфометрия

членистые (мягкие) лучи спинного плавника (общее число): 4-6; членистые (мягкие) лучи анального плавника: 61 - 73. Head depressed; eyes small and located in anterior section of head; snout short; lower jaw longer than upper one and its end extending nearly to anterior edge of eyes; barbels 2 pairs, body naked. Body dark gray on back and sides, with cloudy streaks and milky white on belly.

биология     глоссарий (например epibenthic)

This carnivorous species lives in the edge of the lake with plenty of waterweeds where it stays at bottom of water by day and comes out to the surface seeking food by dawn and dusk (Ref. 45563, 117912). It relies on the macrophytes for shelter, the disappearance of which from the lake exposed these big fishes in the shallow water which resulted to increased mortality from its natural enemy and human beings. Predation of eggs and juveniles by the introduced species in the lake may also play an important role (Ref. 117912).

Life cycle and mating behavior половая зрелость | размножение | нерест | икра | Fecundity | личинки

Основная ссылка Upload your references | ссылки | координатор | соавторы

Kobayakawa, M., 1989. Systematic revision of the catfish genus Silurus, with description of a new species from Thailand and Burma. Jap. J. Ichthyol. 36(2):155-186. (Ref. 9417)

Статус Красного Списка МСОП (Ref. 130435)

  В критическом состоянии (CR) (B1ab(ii,iii); D); Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




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ресурсы в Интернет

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00278 - 0.01137), b=3.00 (2.83 - 3.17), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.8   ±0.7 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref. 120179):  средний (среднего размера), минимальное время удвоения популяции 1.4-4.4 года (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100).