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Summary for Ctenopharyngodon idella Larvae
Grass carp

Ctenopharyngodon  idella  (Valenciennes, 1844)
Family:	Cyprinidae (Minnows or carps)			( not available )
Order:	Cypriniformes
Class:	Actinopterygii (ray-finned fishes)
English name:	Grass carp
Distribution:	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.
Adult biology:	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).
Diagnosis:	Melanophores of the newly hatched larvae are distributed over the finfold except at the posterior part of the caudal region. Two days after hatching, mouth and anus opened. Yolk are completely absorbed by day 3. They swim against the current. See also LARVAE table.
Climate Zone:	subtropical; 0 - 35°C; 65°N - 25°N
Main Ref:	Shireman, J.V. and C.R. Smith. 1983. (Ref. 48)
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Internet sources:	CISTI | Google | GoogleImages | GOBASE | GenBank | PubMed | Scirus | Zoological Record Note: use the Back button of your browser to return to LarvalBase.
	Modified: Agustin, Liza Q.	Entered: Luna, Susan M.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. urostyle)

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Page created by Eli 09.11.99, last modified by Eli 04.03.05.