Giants Castle

Starting at 26 meters in depth, Giants Castle is massive, extending for more than 350 meters in a north to south direction with a ledge on the eastern side of the reef dropping 7 meters vertically down to the seabed at 35 meters.

Marine life at this site

The small-eyed stingray, eagle ray, devil ray, and manta ray are commonly spotted gliding around the seabed or found hovering near a cleaning station.

Based on open species observationswithin ~5 km — likely to see, not necessarily confirmed at the site itself.

yellow-blocked nudibranch

Halgerda wasinensis7 obs.

Ornate Spiny Lobster

Panulirus ornatus5 obs.

Peacock Mantis Shrimp

Odontodactylus scyllarus2 obs.

Red-knobbed Sea Star

Protoreaster lincki2 obs.

Spiny Cushion Star

Culcita schmideliana2 obs.

Haj & rokke

Stegostoma fasciatum1 obs.

Banded Coral Shrimp

Stenopus hispidus1 obs.

Humpback Whale

Megaptera novaeangliae1 obs.

Black Longspine Urchin

Diadema setosum1 obs.

Indo-Pacific Rock-boring Urchin

Echinometra mathaei1 obs.

Black Sun Coral

Tubastraea micranthus1 obs.

Painted Spiny Lobster

Panulirus versicolor1 obs.

Blue Button

Porpita porpita1 obs.

Ram's Horn Squid

Spirula spirula1 obs.

Gloomy Nudibranch

Tambja morosa1 obs.

Banded Sea Urchin

Echinothrix calamaris1 obs.

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Snegl (hav-/nøgensnegl)

Chromodoris hamiltoni3 obs.

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Haj & rokke

Acroteriobatus leucospilus3 obs.

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Søstjerne

Ferdina mena2 obs.

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Savigny's Longspine Sea Urchin

Diadema savignyi2 obs.

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Snegl (hav-/nøgensnegl)

Hypselodoris regina1 obs.

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Søstjerne

Halityle regularis1 obs.

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Snegl (hav-/nøgensnegl)

Hexabranchus giganteus1 obs.

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Søstjerne

Thromidia gigas1 obs.