Prepare rice and place it in a bowl.
Dice fresh salmon and tuna into bite-sized cubes.
Slice vegetables such as cucumber, avocado, and onion.
Top the rice with the cubed fish, vegetables, and seaweed.
Make the sauce using soy sauce, sesame oil, and wasabi.
Drizzle the sauce over the ingredients.
Finish by adding sesame seeds, pickled ginger, and seaweed on top.