In a large saute pan, heat the canola oil over a medium-high flame. Season the buster crabs with 1 teaspoon each salt and pepper. Season the flour with salt and pepper and combine with the cornmeal in a shallow dish or large bowl. Toss crabs in the mixture to coat. Carefully place the crabs into the hot oil and cook for 1 minute on each side. Remove from pan and drain on paper towels.
Meanwhile, season the tomatoes with salt, pepper, vinegar, 1/4 teaspoon chives, and olive oil. Place the tomatoes over the toasted brioche croutons and place on a serving plate. Place drained crabs over the tomatoes and top each of them with a dollop of aioli. Place micro greens or any lettuce sprout on top of aioli.
To serve, garnish plate with additional chopped chives, chive oil, and beet juice, if desired.