- Continent: North America
- Location: Canada
- Length: 4241 km (2,637 miles)
- Dams: Cougar Dam
It is the largest river in Canada. Most of its attributes reach into four other Canadian areas. Regions with which water resources are shared Northwest areas. This River is of global importance because it is in few of the world’s large rivers which are remaining.
- Continent: Asia
- Location: Africa
- Length: 4200 km (2611 miles)
- Dams: Kaniji Dam, Jebba Dam
It is considered to be third longest river of Asia. It is exceeded by River Nile and Congo. The Water resources of River are shared with various countries listing as Guinea, Mate, Niger, Benin and Nigeria. It is said that it has been named by Greeks.
There are found some fish families including Denticle herring, and Hingemouth, and also some rare species of animals i.e Hippopotamus, Pygmy hippo, West African manatee.
- Continent: Australia
- Location: Australia
- Length: 3,672 km
- Name origin: Dartmouth Dam
It shared its water resources with few states of Australia i.e., Victoria, New South wales, South Australia. It has the world’s largest redgum forest and ibi rookery on its banks.
The Murray River is having many fish species such as Murray Cod, Callop, Catfish, Bream, Macquarie, Perch and Redfin, Gudgeon, Tupong, Freshwater Sunfish, Pigmy Perch, Line-eye Gudgeon, Tcheri or Hairback Herring, Silver Perch, Blackfish, Trout, Carp, Tench and many are still unknown.
- Continent: South America
- Location: Brazil
- Length: 3,650 km (2,270 miles)
- Dams: Tucurui Dam, Estreito, Serra da Mesa, Cana Brava and Lajeado
Derived from tupi language (spoken by the Tupi people of brazil who lived near the river).It’s the home of several aquatic mammals and reptiles. It shares its water resources with the states, Gotas, Tocantins, Maranhao and para.
A very rich range of fish species found in the river such as spectacled caimans, black caimans, and two species of river dolphins, American manatees, yellow-spotted sideneck turtles. It is also enrich in bird diversity, it has 527 known bird species including toucans, hawks, marvelous scarlet macaw.
- Continent: Europe
- Location: Russia
- Length: 3,645 km (2,266 miles)
- Dams: Cheboksary Dam, Ivankovo Reservoir, Nizhny Novgorod Hydroelectric Station, Rybinsk Hydroelectric Station, Saratov Hydroelectric Station, Uglich Hydroelectric Station, Volga Hydroelectric Station, Zhiguli Hydroelectric Station.
River Volga is categorize among longest River in Europe in terms of length, discharge and watershed. It is considered as the National River of Russia. 11 out of 20 big cities of Russia, covering its capital Moscow, are occupying in the Volga.
The river is filled with very rich species of fish and birds, fish such as Sturgeon species, Whitefish, Herrings, White-eyed bream and endemic Volga lamprey, birds such as Dalmatian pelican, Great white egret and Penduline t*t.
Shatt al-Arab River
- Continent: Asia
- Location: Iraq
- Length: 3,596 km (2,236 miles)
- Dams: Masjed Soleyman Dam, Shahid Abbaspour Dam, Dez Dam, Bakhtiari Dam
The name of the river is derived from Arabic language meaning ‘stream of the Arabs’. Also called Arvand Arabs derived from Persian language meaning ‘Swift River’. The water resources of river are shared with Iran.
Number of species decreases in winter and goes high in summer. Tenualosa ilisha was the most rich species constitute 27.4% of the catch, followed by Carassius Auratus (23.7%) and Liza klunzingeri (10.6%).