Aluksne
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Siluriformes - Catfishes
Cypriniformes - Carps
Gadiformes - Cods
Clupeiformes - Herrings
Anguilliformes - Eels and morays
Scorpaeniformes - Mail-cheeked fishes
Pleuronectiformes - Flatfishes
Gobiiformes - Gobies
Gasterosteiformes - Sticklebacks
Osmeriformes - Smelts
Lamniformes - Mackerel sharks
Petromyzontiformes - Lampreys
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Siluriformes - Catfishes
Cypriniformes - Carps
Gadiformes - Cods
Clupeiformes - Herrings
Anguilliformes - Eels and morays
Scorpaeniformes - Mail-cheeked fishes
Pleuronectiformes - Flatfishes
Gobiiformes - Gobies
Gasterosteiformes - Sticklebacks
Osmeriformes - Smelts
Lamniformes - Mackerel sharks
Petromyzontiformes - Lampreys
The Aluksne River is about 82 kilometers long. It originates from Alūksne Lake. Its mouth is at the Pededze River, where it merges approximately 18 kilometers downstream.