Largest tributaries
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Acipenseriformes - Sturgeons and Paddlefish
Gadiformes - Cods
Scorpaeniformes - Mail-cheeked fishes
Clupeiformes - Herrings
Beloniformes - Needlefishes
Mugiliformes - Mullets
Pleuronectiformes - Flatfishes
Trachiniformes - Weeverfishes
Gasterosteiformes - Sticklebacks
Gobiiformes - Gobies
Lophiiformes - Anglerfishes
Osmeriformes - Smelts
Carcharhiniformes - Ground sharks
Chimaeriformes - Chimaeras
Rajiformes - Skates and rays
The Gulf of Bothnia is the northernmost arm of the Baltic Sea. It is situated between west coast of Finland (Ostrobothnia) and east coast of Sweden (Westrobothnia and North Bothnia). In the south of the gulf lies Aland, between the Sea of Aland and the Archipelago Sea.
