THE GEOGRAPHICAL DISTRIBUTION OF FISHES

Geographical Distribution of Central American Freshwater Fishes

Infection with Dactylogyrus spp. among introduced cyprinid fishes and their geographical distribution in Iran

In the present study, we reported infection with eighteen species of the genus Dactylogyrus, belong to thefamily Dactylogyridae from five breeder fish species, including common carp (Cyprinus carpio), grass carp(Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), big head carp (Hypophthalmichthysnobilis) and black carp (Myelopharyngodon piceus) which introduced and imported to ...

The geographical distribution of cancer.

STUDY of the geographical distribution of cancer has long been recognized to be one way of obtaining clues to its causation, and a great deal of work has been carried out to determine the incidence of different types of cancer in different parts of the world. Detailed incidence rates have been obtained for more than fifty populations, either by national or regional cancer registries or by speci...

The Geographical Distribution of Animals

EVERY one whose life has not been wholly spent within city walls must ha.ve observed that animal life varies greatly in the districts with which he is familiar. Different species are not found uniformly scattered over the surface of the country, but in different localities with similar features. Every country boy knows 'Postlethwaite Oaks' is the only place for miles round where he has a chance...

infection with dactylogyrus spp. among introduced cyprinid fishes and their geographical distribution in iran

in the present study, we reported infection with eighteen species of the genus dactylogyrus, belong to thefamily dactylogyridae from five breeder fish species, including common carp (cyprinus carpio), grass carp(ctenopharyngodon idella), silver carp (hypophthalmichthys molitrix), big head carp (hypophthalmichthysnobilis) and black carp (myelopharyngodon piceus) which introduced and imported to ...