Hudinja
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Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Siluriformes - Catfishes
Centrarchiformes - Basses and sunfishes
Cypriniformes - Carps
Acipenseriformes - Sturgeons and Paddlefish
Gadiformes - Cods
Clupeiformes - Herrings
Scorpaeniformes - Mail-cheeked fishes
Anguilliformes - Eels and morays
Gobiiformes - Gobies
Gasterosteiformes - Sticklebacks
Syngnathiformes - Pipefishes and Seahorses
Atheriniformes - Silversides
Petromyzontiformes - Lampreys
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Siluriformes - Catfishes
Centrarchiformes - Basses and sunfishes
Cypriniformes - Carps
Acipenseriformes - Sturgeons and Paddlefish
Gadiformes - Cods
Clupeiformes - Herrings
Scorpaeniformes - Mail-cheeked fishes
Anguilliformes - Eels and morays
Gobiiformes - Gobies
Gasterosteiformes - Sticklebacks
Syngnathiformes - Pipefishes and Seahorses
Atheriniformes - Silversides
Petromyzontiformes - Lampreys
Hudinja je reka na sjeveroistoku Slovenije duga 32 km, desna pritoka reke Voglajne.
Reka Hudinja izvire iz više izvora iznad sela Vitanje, ispod Rogle, na Pohorju na nadmorskoj visini od 1.380 metara. Od izvora Hudinja teče prema jugu do Vojnika i dalje do ušća u Voglajnu na periferiji Celja, kod kompleksa Cinkerne Celje i groblja Teharje.
Sliv Hudinje iznosi 207 km², i proteže se najvećim delom po brdovitom delu, a manjim delom po Celjskoj ravnici.