From The Aquarium Wiki
Jump to: navigation, search

Beloniformes: Interarcual cartilage (connects the epibranchial bone of the first gill arch with the infrapharyngobranchial of the second gill arch) small or absent; small second and third epibranchials; interhyal absent; lower caudal fin lobe with more principal rays than the upper lobe. Presence of a fixed or nonprotrusible upper jaw.

Families in this order: