Dusky tripletooth goby
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Gobiidae
- genus: Tridentiger
- species: Tridentiger obscurus
Nagoya-shi
Aichi- Aomori Shi
Aomori- Kurume
Fukuoka- Miura
Kanagawa- Nagasaki-shi
Nagasaki- Chichibu
Saitama
Japan