Lao country information

Common names: Pa sooai, Pa sooai hang luang, Pa souay hang leuang
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: commercial | Ref: Aloun, P., 2006
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Mekong basin (Ref. 30857). Found in Ban Hang Khone at Don Khone, 3 km below the fall line of the great waterfalls of the Mekong basin at Lee Pee (Ref. 9497). One of the most important migratory pangasiid species at Ban Hang Khone. Reproduction presumably takes place in or along the Mekong delta. Migratory fish generally have empty stomach. Enters the flooded forest and feeds on mak deua (Ref. 9497). Upstream the Khone Falls, it migrates upstream from May to September, dominated by fish in spawning condition (Ref. 37770). Above the Khone Falls, dowstream migration takes place in October (Ref. 37770). These migrations are triggered by the increase of the water levels above the Khone Falls (Ref. 37770). Also Ref. 37767, 43281.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/la.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Baird, I.G., V. Inthaphaisy, P. Kisouvannalath, B. Phylavanh and B. Mounsouphom, 1999
National Database:

Common names from other countries

Pa souay hang leuang, Kiinanhaimonni, 克氏鲶, ... more

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

> Siluriformes (Catfishes) > Pangasiidae (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335).

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

морской; пресноводный; солоноватоводный донно-пелагический; мигрирует в реке (Ref. 51243). Tropical

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

Asia.

Size / Вес / Возраст

Maturity: L_m ? range ? - ? cm
Max length : 120 cm SL самец/пол неопределен; (Ref. 30857); наибольший вес (опубликованные данные): 14.0 kg (Ref. 9497)

Краткое описание морфология | морфометрия

колючие лучи спинного плавника (общее число): 1; членистые (мягкие) лучи спинного плавника (общее число): 6-7; колючие лучи анального плавника 4; членистые (мягкие) лучи анального плавника: 31 - 34. Body depth 4.5-5.0 times in SL (Ref. 43281). Dorsum sky blue; submarginal caudal-fin stripes absent; no humeral spot; vomerine teeth separate at midline, joined to palatine teeth on each side forming long crescentic patches; 18-22 gill rakers in first arch (Ref. 12693). Body dark blackish gray on top and sides, silver gray on abdomen and fins lightly yellow (Ref. 45563).

Facultative air-breathing (Ref. 126274); Migrating but the direction is unknown. Dietary habits have not been studied. Taxonomy of this species may be problematic (Ref. 12693). Unique among pangasiid species in the Mekong in spending a major part of its life in marine coastal waters. Migrates into the Mekong River (but not into any other rivers) in order to breed (Ref. 12369). Regarded to be anadromous (Ref. 12369). It was hypothesized that at least two populations in the Mekong undertake migration (Ref. 37770). One population migrates during May-September from just south of Khone Falls upstream to spawning grounds along the mainstream Mekong all the way to Chiang Khong near the Lao-Thai-Myanmar border. The other population migrates downstream from around Stung Treng to unknown spawning grounds somewhere between Stung Treng and Kompong Cham in Cambodia during the spawning season between May and August. When water level starts to fall in October, the fish moves back to the main river to initiate an upstream dispersal migration, reaching the stretch just below the Khone Falls. Stays in deep pools within the mainstream during the dry season (Ref. 37770). Only two specimens of the fish were collected on April 5, 1956 and September 10, 1957 in Beihai City, Guangxi (Ref. 45563). Another on November 22, 1963 at Shanwei City of Guangdong Province (Ref. 45563).

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

Основная ссылка Upload your references | ссылки | координатор | соавторы

Roberts, T.R. and C. Vidthayanon, 1991. Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144. (Ref. 7432)

Статус Красного Списка МСОП (Ref. 130435)

уязвимый; см. Красный Список МСОП (VU) (A2d); Date assessed: 24 February 2011

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

Harmless

Использование человеком

рыболовство: коммерческий

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00217 - 0.00962), b=3.09 (2.90 - 3.28), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.0 ±0.00 se; based on food items.

Fishing Vulnerability (Ref. 59153): Very high vulnerability (88 of 100).

Категория цены (Ref. 80766): Unknown.

Pangasius krempfi Fang & Chaux, 1949