The turbot has a small amount of thorns on its surface, and its dorsal fin is hard and long, extending from the tip of the nose, with short rays and almost to the back.

It is rich in species on the west coast of the South Island and often appears in freshwater at a depth of about 30–90 meters.

Young turbots gather in sheltered coastal waters such as estuaries, shoals and beaches, where they can survive for up to two years.

Younger turbots may gather in sheltered coastal waters such as estuaries, shoals and bays where they can survive for up to two years.

At the same time, turbot has multiple ovulation ability during the breeding season, and its mating period peaks mainly from October to February, and may reach tens of thousands of eggs.

Their mating period lasts for several months in the summer, and hundreds of females lay eggs.

Common symptoms are prominent eyeballs, then the eyes slowly become cloudy, and the body ulcerates and finally kills the host.