Ctenopharyngodon idella (Valenciennes, 1844)

Grass carp

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

Classification	Actinopterygii \| Cypriniformes \| Cyprinidae
Synonyms	Leuciscus idella, Ctenopharingodon idellus, Ctenopharyngodon idellus, ... more
Common names	Carpa china, Carpe de roseau, Amour blanc, ... more

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Main reference

Shireman, J.V. and C.R. Smith. 1983. (Ref. 48)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 150 cm TL male/unsexed; (Ref. 30578); common length : 10.7 cm SL male/unsexed; (Ref. 35840); max. published weight: 45.0 kg (Ref. 7248); max. reported age: 21 years (Ref. 48)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; depth range 0 - 30 m (Ref. 6898)

Climate / Range

Subtropical; ? - 35°C (Ref. 52059); 65°N - 25°N

Asia: China to eastern Siberia (Amur River system, Ref. 1441). Widely transported around the world (Ref. 7248). Introductions often brought with it the parasitic tapeworm Bothriocephalus opsarichthydis (synonym of B. acheilognathi) (Ref. 12217). Several countries report adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 3; Dorsal soft rays (total): 7 - 8; Anal spines: 3; Anal soft rays: 7 - 11. No barbels. Snout very short, its length less than or equal to eye diameter. Postorbital length more than half head length (Ref. 4967). 18 soft rays for caudal fin (Ref. 40476).

Occurs in lakes, ponds, pools and backwaters of large rivers (Ref. 5723), preferring large, slow-flowing or standing water bodies with vegetation. Tolerant of a wide range of temperatures from 0° to 38°C, and salinities to as much as 10 ppt and oxygen levels down to 0.5 ppm. Feeds on higher aquatic plants and submerged grasses; takes also detritus, insects and other invertebrates. One of the world's most important aquaculture species and also used for weed control in rivers, fish ponds and reservoirs (Ref. 9987). Spawns on riverbeds with very strong current (Ref. 30578). Utilized also fresh and eaten steamed, pan-fried, broiled and baked (Ref. 9987). Considered as a pest in most countries because of the damages made to submerged vegetation (Ref. 43281).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Potential pest

Human uses
Fisheries: minor commercial; aquaculture: commercial; gamefish: yes


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

Tools
Biogeographic modelling \| E-book \| Field guide \| Identification keys \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (K=0.13-0.19; tm=2-10; tmax=21; Fec=50,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (65 of 100)	Not marketed/unknown

Entered by Acosta, Belen

Modified by Kullander, Fang Fang

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Page last modified by : elaxamana, 15 July 2009

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