Seaweed Blenny
Parablennius marmoreus
- Least concern
- Card rarity: Common
- Fish

The seaweed blenny is a species of combtooth blenny found in coral reefs in the western Atlantic Ocean along the coasts of New York, Bermuda, the Bahamas, also in the Gulf of Mexico, south to southern Brazil. This species reaches a length of 8.5 centimetres (3.3 in) TL.
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Blenniidae
- Genus
- Parablennius