Castle Rock

Castle Rock is located outside the Port Phillip Heads in approximately 18 metres of water. It sits on a sandy bottom and rises to around 12 metres. The rock is around 200m in circumference, has many overhangs, walls and swimthroughs, and can be circled several times in a dive.

Marine life at this site

The fixed depth, lack of current and easy navigation make this the perfect dive for newer Open Water divers.

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

Biscuit Star

Tosia australis4 obs.

Warty Ear Shell

Haliotis rubra4 obs.

Western Pacific purple sea urchin

Heliocidaris erythrogramma1 obs.

Snegl (hav-/nøgensnegl)

Zafra1 obs.

The Interwoven Purpura

Dicathais orbita1 obs.

Brown Fur Seal

Arctocephalus pusillus1 obs.

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Green-lip Abalone

Haliotis laevigata3 obs.

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Feather Star

Cenolia trichoptera2 obs.

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Ridged Ear Shell

Haliotis scalaris1 obs.

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Snegl (hav-/nøgensnegl)

Tenellia anulata1 obs.

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Søstjerne

Nectria ocellata1 obs.

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Net Lepsiella

Phycothais reticulata1 obs.

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Skallus

Acanthochitona pilsbryi1 obs.

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Snegl (hav-/nøgensnegl)

Tasmeuthria clarkei1 obs.

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The Three-Shaped Murex

Pterochelus triformis1 obs.

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Musling

Neolepton1 obs.

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granular seastar

Uniophora granifera1 obs.

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Snegl (hav-/nøgensnegl)

Gabrielona nepeanensis1 obs.

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Tiny Hermit Crab

Micropagurus acantholepis1 obs.

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Snegl (hav-/nøgensnegl)

Mitrella1 obs.

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Seastar

Nectria multispina1 obs.

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Hairy Three-Area Mussel

Gregariella barbata1 obs.