Scavnica
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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
Ščavnica (nem. Stainz) je desna pritoka Mure u Donjoj Štajerskoj u Sloveniji. Izvire kod naselja Zgornja Velika u opštini Šentilj i teče kroz naselja Negova Sveti Jurij ob Ščavnici, Gajševci i grad Ljutomer, U Muru se uliva kod naselja Raskrižja.
Ščavnica je duga 56 km. Visina izvora je na 360 metara, a ušća 175 metara. Visinska razlika iznosi 185 m. Površina sliva je 293 km². Pripada crnomorskom slivu.