* Rainbow Trout: A popular game fish known for its vibrant colors.
* Red Snapper: A delicious and sought-after saltwater fish.
* Rockfish: A general term for a variety of bottom-dwelling fish.
* Reef Fish: A diverse group of fish that live in coral reefs.
* Ribbonfish: A slender fish with a long, ribbon-like body.
* Rudderfish: A small fish with a distinctive rudder-like fin.
* Ray: A group of cartilaginous fish, including skates and stingrays.
* Remora: A fish known for its ability to attach to larger animals.
* Red Drum: A large fish found in coastal waters.
* Roughy: A deep-sea fish with a reddish-brown skin.
Let me know if you'd like more examples!