Bayas
Perciformes - Perches
Esociformes - Pikes
Siluriformes - Catfishes
Centrarchiformes - Basses and sunfishes
Cypriniformes - Carps
Mugiliformes - Mullets
Moroniformes - Temperate basses
Anguilliformes - Eels and morays
Clupeiformes - Herrings
Syngnathiformes - Pipefishes and Seahorses
Cyprinodontiformes - Toothcarps
Perciformes - Perches
Esociformes - Pikes
Siluriformes - Catfishes
Centrarchiformes - Basses and sunfishes
Cypriniformes - Carps
Mugiliformes - Mullets
Moroniformes - Temperate basses
Anguilliformes - Eels and morays
Clupeiformes - Herrings
Syngnathiformes - Pipefishes and Seahorses
Cyprinodontiformes - Toothcarps
The Bayas or Baia is a 56 km long river of Spain. From its source in the Gorbeia massif in Biscay, it flows southwards through Álava before discharging into the Ebro River near Miranda de Ebro, Burgos.