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Boxfishes, Porcupinefishes and Pufferfishes

Boxfishes

Spotted Boxfish

Ostracion meleagris

       
(1: Lighthouse, Lanai / 2-3: Coral Galleries, Kauai / 4: Tortugas, Kauai / 5: Mala Pier, Maui / 6: Harbor Ledges, Kauai / 7: Hale O Honu, Kauai / 8: Dog Beach, Kona)

Females are black with white spots.  Males are a brilliant blue on the side, with orange highlights.


Thornback Cowfish

Lactoria fornasini

  
(1-3: Moray Eel Cove, Kona)


Whitley's Boxfish

Ostracion whitleyi

  
(1: Lighthouse, Lanai / 2: Kaloko Arches, Kona / 3: First Cathedral, Lanai)


Porcupinefishes

Giant Porcupinefish

Diodon hystrix

       
(1: Tortugas, Kauai / 2: Secret Wreck, Oahu / 3: Mario World, Oahu / 4: Turtle Craters, Oahu / 5: Second Cathedral, Lanai / 6: First Cathedral, Lanai / 7: Hale O Honu, Kauai / 8: Sheraton, Kona)

Usually solitary, but I saw a big school of them off Oahu:
(1: Mario World, Oahu)


Longspine Porcupinefish

Diodon holocanthus

  
(1-2: Tortugas, Kauai / 3: Paradise Pinnacle, Kona)


Pufferfishes

Ambon Toby

Canthigaster amboinensis

   
(1: Two Step, Kona / 2: Kahalu'u Beach Park, Kona / 3: No Name, Lanai / 4: Kua Bay, Kona)


Crowned Toby

Canthigaster coronata

     
(1: Kaloko Arches, Kona / 2: Sheraton Caverns, Kauai / 3: Harbor Ledges, Kauai / 4: Mario World, Oahu / 5-6: Hale O Honu, Kauai)


Hawaiian Whitespotted Toby

Canthigaster jactator

       
(1: Reef's End, Molokini / 2: Pawai, Kona / 3-4,7: Kahalu'u Beach Park, Kona / 5: Kua Bay, Kona / 6: Sheraton Caverns, Kauai / 8: Turtle Canyons, Oahu)

Distinguishable from a female spotted boxfish due to its longer snout, and spots which do not extend onto the tail.  

The spots gain a blue tint at night:
(1: Mala Pier, Maui)

A number of the ones I saw in Kauai had black patches on them:

(1: Stone House, Kauai)


Lantern Toby

Canthegaster epilampra

       
(1-2: Kaloko Arches, Kona / 3-5: Fast Lanes, Kauai / 6-7: Barge Harbor North, Lanai / 8: Amber's Arches, Kauai)


Spotted Puffer

Arothron meleagris

    
(1: Two Step, Kona / 2: Kahalu'u Beach Park, Kona / 3: First Cathedral, Lanai / 4-5: No Name, Lanai)

This one got startled and puffed up:
(1: No Name, Lanai)


Stripebelly Puffer

Arothron hispidus

   
(1,2: The Dome, Kona / 3-4: Mile Marker 4, Kona)