Cut fresh fish (such as salmon or tuna) into cubes.
Slice vegetables like avocado, cucumber, and radish sprouts into bite-sized pieces.
Place rice in a bowl.
Neatly arrange the prepared ingredients on top of the rice.
Make a sauce by mixing soy sauce, sesame oil, and lemon juice.
Drizzle the sauce over the ingredients.
Finish by adding toppings such as seaweed or sesame seeds.