Chain Catshark
Scyliorhinus retifer
- Least concern
- Card rarity: Common
- Sharks and rays

The chain catshark or chain dogfish is a small, reticulated catshark that is biofluorescent. The species is common in the Northwest Atlantic, Gulf of Mexico, and Caribbean. It is harmless and rarely encountered by humans. It has very similar reproductive traits to the small-spotted catshark.
Classification
- Class
- Chondrichthyes
- Order
- Carcharhiniformes
- Family
- Scyliorhinidae
- Genus
- Scyliorhinus