Aaptosyax grypus Rainboth, 1991

Giant salmon carp

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Cypriniformes \| Cyprinidae
Synonyms	... more
Common names	Pa sanak gnai, Sanak asijský, 曲鯉, ... more

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Image of Aaptosyax grypus (Giant salmon carp)

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Main reference

Roberts, T.R. and T.J. Warren. 1994. (Ref. 10431)
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Size / Weight / Age

Max length : 130 cm SL male/unsexed; (Ref. 9497); max. published weight: 30.0 kg (Ref. 9497)

Environment

Pelagic; potamodromous (Ref. 51243); freshwater

Climate / Range

Tropical

Asia: Mekong River.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Well-developed adipose eye-lid, covering most of eye except pupil in large adults, less extensive in juveniles; presence of a large symphyseal knob in lower jaw fitting in a median notch in upper jaw (Ref. 43281).

Inhabits mainstreams of middle reaches in deep rocky rapids. Juveniles occur in tributaries (Ref. 58784). A large fast-swimming predator, feeding on fish of the middle and the upper water levels. Although most common along the Thai-Lao border at the mouth of the Mun River, its numbers have drastically decreased in recent years. This is perhaps due to dam construction or excessive gill netting, to which active pursuit predators, like this species, are particularly vulnerable (Ref. 12693). Undertakes upstream migration at the same time as Probarbus sp. in December-February (Ref. 37770) which may be related to spawning activity (Ref. 9497). Attains over 30 kg (Ref. 9497).


IUCN Red List Status (Ref. 57073)	Threat to humans
Data deficient (DD)	Harmless

Human uses
Fisheries:


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (80 of 100)	Not marketed/unknown

Entered by Garilao, Cristina V.

Modified by Busson, Frédéric

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Page last modified by : elaxamana, 15 July 2009

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