Moksha
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Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Siluriformes - Catfishes
Cypriniformes - Carps
Acipenseriformes - Sturgeons and Paddlefish
Mugiliformes - Mullets
Anguilliformes - Eels and morays
Gobiiformes - Gobies
Gasterosteiformes - Sticklebacks
Atheriniformes - Silversides
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Siluriformes - Catfishes
Cypriniformes - Carps
Acipenseriformes - Sturgeons and Paddlefish
Mugiliformes - Mullets
Anguilliformes - Eels and morays
Gobiiformes - Gobies
Gasterosteiformes - Sticklebacks
Atheriniformes - Silversides
Moksha (Russian: Мо́кша, Moksha: Йов) is a river in central Russia, a right tributary of the Oka. It flows through Penza Oblast, Nizhny Novgorod Oblast, Ryazan Oblast and the Republic of Mordovia, and joins the Oka near Pyatnitsky Yar, near the city of Kasimov.
It is 656 kilometres in length, and has a drainage basin of 51,000 square kilometres.