Lark River
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Cypriniformes - Carps
Gadiformes - Cods
Clupeiformes - Herrings
Mugiliformes - Mullets
Moroniformes - Temperate basses
Anguilliformes - Eels and morays
Scorpaeniformes - Mail-cheeked fishes
Pleuronectiformes - Flatfishes
Perciformes - Perches
Salmoniformes - Salmons and Trouts
Esociformes - Pikes
Cypriniformes - Carps
Gadiformes - Cods
Clupeiformes - Herrings
Mugiliformes - Mullets
Moroniformes - Temperate basses
Anguilliformes - Eels and morays
Scorpaeniformes - Mail-cheeked fishes
Pleuronectiformes - Flatfishes
The River Lark crosses the border between Suffolk and Cambridgeshire in England. It is a 57 km long tributary of the River Great Ouse, and was extended when that river was re-routed as part of drainage improvements.