Assignment Of ZoologySubmitted To:Dr.Saleem KhanSubmitted By:Zunaira SikandarRoll No:3010Topic:Cirrhinus cirrhosus BS(hons)Zoology 4th (eve)University Of Education Okara Campus

Cirrhinus cirrhosus

ClassificationKingdom:Animalia Phylum:Chordata Class:Actinopterygii Order:Cypriniformus Family:Cyprinidae Gender:Cirrhinus Species:C.cirrhosus

IntroductionIt has many names.It is a freshwater fish species in the carp’s family.it reaches a maximum length of 1m(3.3ft).It’s size is 60cm.It can be caught all year around the world.The body has perfectly symmetrical small silver/grey scales and it’s torpedo shaped elongated body desighned for fast flowing water.

DistributionNative to large rivers in the Indian Subcontinent.It is widely aquafarmed and introduced population exist outside its native range.Found in freshwater bodies,rarely in brackish water,some common habitates are ponds,canals,river,lake etc.The only surviving wild population is in the Cauvery River.Hatchling of it normally remain in the surface or sub-surface water,while fry tend to move to deeper water.Adults are bottom dewellers.

FeedingBottom dweller fish species and primarily detritus eater.Feed on both natural and supplementary feeds.Talwar and Jhingran described this species as bottom feeder and subsisting mainly on decayed vegetation well habituated in taking rice bran,wheat bran,musterd oil cake and other supplementary feed under aquaculter system.Juveniles are ominivorous to about 5cm tottle length,adults are almost entirely herbivores.

ReproductionThis species breeds in shallow water in the rainy season .Breeds in open natural waters.It does not breed in ponds. This fish breeds during south west monsoon in shallow pockets in marginal areas of the water bodies with a depth 0f 0.5-1.0m over a sand or clay substrate.It usually breeds at 24-31deegry centigrade.A 6kg female can lay a million eggs.This fish has a rapid growth rate.

Refrences

1. en.Wikipedia.org/wiki/Marigal_carp2.www.iucnredlist.org/details/166531/03.www.fao.org>FAO Home>Fisheries & Aquaculture4.www.arkive,org > Home > Species > Fish >Marigal carp