Dice the salmon and tuna.
Cut avocado, cucumber, and radish sprouts into bite-sized pieces.
Put rice in a bowl.
Place the diced salmon, tuna, avocado, cucumber, and radish sprouts on top of the rice.
Mix soy sauce, sesame oil, and lemon juice to make the sauce.
Drizzle the sauce evenly over the ingredients.
Finish with seaweed and sesame seeds.