Giant trevally (Caranx ignobilis). Ulua in Hawaiian language.

Giant trevally (Caranx ignobilis). Ulua in Hawaiian language.

Bigeye on top and squirrelfish on bottom inspecting zodiac outboard engine during debris cleaning operation.

Hawaiian domino damselfish (Dascyllus albisella). Hawaiian name is 'alo'ilo'i. Note rope debris in background.

Can you find the fish? Well-camouflaged peacock flounder (Bothus mancus) lies on coral debris bottom.

Can you find the fish? Well-camouflaged peacock flounder (Bothus mancus) lies on coral debris bottom.

Unidentified fish.

Monk seal (Monachus schauinslandi) at Pearl and Hermes Reef.

Monk seal (Monachus schauinslandi) at Pearl and Hermes Reef.

Monk seal (Monachus schauinslandi) at Pearl and Hermes Reef.

Snorkeler photographing bigeye emperor (Monotaxis grandoculis). Hawaiian name is mu.

Spotted knifejaw (Oplegnathus punctatus).

Bigeye emperor (Monotaxis grandoculis). Hawaiian name is mu.

Bigeye emperor (Monotaxis grandoculis). Hawaiian name is mu.

Bluefin trevally (Caranx melanpygus). Hawaiian name is omilu.

White-spotted hermit crab (Dardanus megistos).

Shallow reef scene.

Cauliflower coral (Pocillopora meandrina).

A variety of reef fish including convict tang, bullethead parrotfish, and moorish idols.

Reef fish including convict tang and bullethead parrotfish.

Octopus (Octopus sp.).

Gray reef shark (Carcharinus amblyrhynos).

Mushroom coral (Fungia scutaria).

Mushroom corals (Fungia scutaria).

Mushroom corals (Fungia scutaria).

A red jellyfish.

A red jellyfish.

A red jellyfish.

Diver emulating pufferfish.

Pencil urchin (Heterocentrotus mammillatus).

Pencil urchin (Heterocentrotus mammillatus).

Green sea turtle (Chelonia mydas).

Green sea turtles (Chelonia mydas) on beach.

Convict tang (Acanthurus triostegus)

Parrotfish (Chlorurus sp.)

Convict tang (Acanthurus triostegus)

Convict tang (Acanthurus triostegus)

Yellowmargin moray eel (Gymnothorax flavimarginatus)

A large red octopus.

Parrotfish

Coral

Convict tang (Acanthurus triostegus)

Sea urchin (Heterocentrotus trigonarius)

Sea urchin (Heterocentrotus trigonarius)

Yellow tang (Zebrasoma flavescens), black Achilles tang (Acanthurus achilles), and chub (species indeterminate)

Yellow tang (Zebrasoma flavescens), black Achilles tang (Acanthurus achilles), and chub (species indeterminate)

Yellow tang (Zebrasoma flavescens), black Achilles tang (Acanthurus achilles), and chub (species indeterminate)

Yellow tang (Zebrasoma flavescens), black Achilles tang (Acanthurus achilles), and chub (species indeterminate)

Acropora coral close-up on the Hoya Maru.

Acropora sp., staghorn coral.