Corsair wreck, Midway Atoll, 115 feet

Night, Black Rock, Oahu, 85 feet

Uncommon in dark holes at depths exceeding 50 feet.  Mottled red with black and yellow marks on the spiny dorsal fin to mimic a small fish as it is undulated, luring prey toward the mouth.  Attains 5 inches.  Hawai‘i and the Indo-Pacific.