Ogo is a feathery seaweed that offers a crunchy texture and mineral-rich flavor to poke. It may be difficult to find on the mainland, but you can substitute seaweed salad found at your grocer's sushi counter.
Stir together caviar and wasabi paste; set aside.
Combine mango and mayonnaise in a blender, and process until smooth. Stir in caviar mixture.
Combine tuna and next 7 ingredients in a large bowl; toss gently.
Spoon about 1 tablespoon mango mayonnaise into each of 8 martini glasses. Top each evenly with tuna mixture; spoon additional mango mayonnaise over each. Garnish, if desired.
Note: If you are able to purchase wasabi tobiko, use a 2-ounce jar in place of golden caviar and wasabi paste.
Kapalua Bay Hotel