Acipenseriformes

From The Aquarium Wiki

Acipenser ruthenus

Acipenseriformes: Caudal fin heterocercal; myodome and preopercle reduced or absent; gulars absent; skeleton largely cartilaginous; fin rays more numerous than their basals; intestine with spiral valve.

• See Fishbase.

Families in this order:

• Acipenseridae
• Polyodontidae