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Family Oplegnathidae


Oplegnathus punctatus

Subadult, Fish Hole, Midway, 45 feet


Peek-a-boo, Midway Atoll, 45 feet

Fish Hole, Midway, 45 feet

SPOTTED KNIFEJAW       Ishigakidai

Uncommon in small groups under ledges at scuba depths during the day in Japan and the Northwestern Hawaiian Islands but rarely seen around the Main Hawaiian Islands.  A popular Japanese sport and food fish.  Young are silver with black close-set puzzle-like spots that eventually merge and fade, large adults have an ugly appearance with white around the mouth.  Rarely hybridizes with the Barred Knifejaw.  Attains at least 28 inches.  Subtropical East Asia and Hawai‘i.