Clubnose guitarfish
Glaucostegus thouin
- Critically endangered
- Card rarity: Legendary
- Sharks and rays

The clubnose guitarfish (Glaucostegus thouin) is a critically endangered species of ray in the Glaucostegidae family. It is found from shallow coastal waters to a depth of 60 m (200 ft) in the Indo-Pacific, ranging from India to Southeast Asia, and also in the Red Sea. There are also old unconfirmed records from the Mediterranean and Suriname.
Classification
- Class
- Chondrichthyes
- Order
- Rhinopristiformes
- Family
- Glaucostegidae
- Genus
- Glaucostegus