Ft. Kamehemeha, Oahu, 10 feet

Female, Sharks Cove, Oahu, 35 feet

Wailupe, Oahu, 12 feet

Uncommon or simply overlooked as it remains partially buried in sand near hard reef at any depth.  Males have a caudal fin almost as long as the body.  Attains 10 inches.  Endemic to Hawai‘i.