Anthropogenic engineered structures alter the local ecological connectivity of river and survival habitat native fishes. The swimming performance is critical for establishing fish passage or habitat. This study evaluated four carps (black carp, grass silver carp bighead carp) with smaller body lengths (1.0–9.0 cm) in a flume. results showed that burst speed (m/s) increased length, relative (cri...

The paper reviews all the reports concerning parasitic fauna of three species carps cultured in Al-Furat fish farm, Babylon province, mid Iraq. These fishes included common carp (Cyprinus carpio), grass (Ctenopharyngodon idella) and silver (Hypophthalmichthys molitrix) as well mullet (Liza abu) found same farm. 60 valid parasite species: ten protozoans, myxozoans, 29 monogeneans, one trematode,...