Acanthodians are a type of ancient fish dating back the late Silurian period, often being called spiny sharks.

You know what Australians call great white sharks?

Also, although they are called sharks, they seem to have a stronger resemblance and behavior to Piranhas.

They are called dogfish sharks because, like some blue sharks, they hunt and travel in packs.

They are also called dogfish sharks because, like dogs, they are very common.

They are sometimes called galea or galean sharks.

The game is and/or was called "sharks and virgens" in some areas.

The first are called "sharks" for their resemblance to the homonymous species on earth, while the latter are generally called "fish".

"And lawyers wonder why they're called sharks," Coop laughed.

The inhabitants of Nasaqalau are famous for the ability of one of their clans to call sharks from the sea.