Podothecus Sachi

It is distributed in the sea near Japan in the northwestern Pacific Ocean, Pyotr Great Bay, and the eastern side of the Korean Peninsula. It often inhabits the sandy bottoms and reefs of shallow coastal waters, but reaches a depth of about 300 m. The second dorsal fin of the male, the soft streak of the anal fin, becomes very long. The body has four columns of bone plates. 　The spawning season is from October to November. Mating and spawning in several batches. Shen Xing sticky egg. Sperm stay in the female body, but fertilization itself takes place in seawater when the egg is laid. Eggs take about 100 days to hatch. 　Animal eating habits. 　Since it is called Tokubire in Hokkaido, it is often called Hakaku for food.