The grass carp (Ctenopharyngodon idella) is the species of fish with the largest reported production in aquaculture globally, over five million tonnes per year. It is a large herbivorous freshwater fish species of the family Cyprinidae
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Presentation on grass carp By PARTHO BANIK Roll: ASH1602012M Year: I , Term:2 Session: 2015-16 NSTU
AT A GLANCE Name Classification Description Distribution Habits and habitat Food and feeding habit Ecological role Economic importance Status and conservation
name Local name : English : Grass Carp, White Amur Bangla : Grass Carp, Grass Cup COMMON NAME : Grass carp Scientific name : Ctenopharyngodon idella
description Grass carp has elongated , torpedo-shaped body forms Mouth sub-terminal, upper jaw slightiy protractile Gillrakers 6 + 10 on the first arch Having cycloid scales Scales of large size, lateral line with 40-42 scales Pactoral fins fairly small Caudal fin forked Maximum length is 150cm
distribution Flatland rivers of Chaina and the middle and lower reaches of the river amur Also found in different countries such As Taiwan, Japan, Maxico , India, USA etc. Also found in all over Bangladesh
Habits and habitat Mainly herbivorous but juveniles are omnivorous Spawns on river beds with vary strong currents They can tolerate a wide degree of temperature Occurs in lakes, ponds, pools, and rivers
Food and fedding habit Feeds on higher aquatic plants and submerged grasses Also takes detritus insects and other invertibrates
Ecological role To control aquatic weeds It cleans the waterbody from the unhealthy aquatic vagetation
ECONOMIC IMPORTANCE A good source of protien Highly growing species If gets proper food weight will be 4.5 kg/year The market price about 140-180 Tk /kg
STATUS AND CONSERVATION Not listed in the read list of IUCN BD An exotic fish first introduce in Bangladesh from Honkong It was successfully breed in 1980