Aku Poke, or Raw Fish with Seaweed

1 pound raw fish, tuna or salmon, cubed, skinless, boneless
1 cup seaweed (hijiki in Japanese markets) The seaweed will be dried, so soak it for 30 minutes in warm water. Then drain and rinse well.
1 small red chile pepper, seeded and chopped

Mix all of the ingredients, and allow the dish to chill a few hours before serving.

From: The Frugal Gourmet by Jeff Smith