The manga has spawned several spin-offs and sequels (Ginga Densetsu WEED, Ginga Densetsu WEED: Orion, Ginga Densetsu Rikki) as well as anime adaptations in 1986 and 2005.
Ginga: Nagareboshi Gin (“Silver Fang: Shooting Star Gin”), a long-running manga series by Yoshihiro Takahashi about an Akita Inu pup who answers the call of the wild, is being adapted into a stage play that will be produced in Tokyo and Hyogo in the Summer season of 2019.
The play is written and directed by Maruichirou Maruo of Gekidan Shikagoroshi, and it stars Hiroki Sana and Naoya Gomoto.