Acipenseriformes is an order of ray-finned fish that includes sturgeons and paddlefish. They are ancient fish, with a fossil record dating back to the Early Cretaceous period, and are considered living fossils. They are characterized by their elongated bodies, cartilaginous skeletons, and heterocercal tails.
Acipenseriformes are commonly known as sturgeons and paddlefish. The order contains two families: Acipenseridae (sturgeons) and Polyodontidae (paddlefish).
Acipenseriformes have a number of distinctive characteristics that set them apart from other fish. These include:
Acipenseriformes are found in both freshwater and brackish water habitats. They are typically found in rivers, lakes, and estuaries.
For more information on Acipenseriformes, please refer to the following websites:
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