Latest Contest entries
Flabellina affinis_July 2025
 CanonRF100 1/200  f13 iso100
By Antonio Venturelli
posted 00:24 CST Today (within the last hour)
Breathtaking encounter with a humpback whale mother and its calf.

Each year  a population of humpback whales  living in the antarctic  migrates north towards the equator along the coast of Mozambique. Warmer waters are more favorable for mating...
By Paul Krassnitzer
posted (last week)
A humpback whale mother and her calf. Each year a group of humpback whales migrates along the coast of Mozambique
By Paul Krassnitzer
posted (last week)
Cratena nudibranchs_August 2025
 CanonRF100 1/200 f11 iso100
By Antonio Venturelli
posted (last week)
Verconia nivalis nudibranch_March 2025
 CanonRF100 1/200 f18 iso100
By Antonio Venturelli
posted (Last month)
Every winter a group of female bullsharks come to this area to give birth  season goes from November untill mid march.
By Ramon Magana
posted (Last month)

Underwater Photo Location: Crystal Palace (limestone caves) Rottnest Island.

Underwater Photo Location: Crystal Palace (limestone caves) Rottnest Island.

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Rottnest Island is 45 minute boat ride west of Perth, Western Australia. The island is a popular tourist resort and caters for a large number of fishing/diving boats anchoring in the protected waters that surround the island. A family of Grey Nurse sharks inhabit the 'West End' of Rottnest making the area popular with tourist divers. Dive charter boats based in Perth make daily journeys to the island on a daily basis all year round.
Facts about Crystal Palace (limestone caves) Rottnest Island.
  • It is in Australia
  • The typical depth is 0-30 Metres 0-100 Feet.
  • The typical visibility is 3-10 Metres 10-30 Feet.
Dive types
dayboatshorewreckcavenight

Marine Life
sharksdolphinsturtleskelp

Diving facilities
airnitroxrepairshireinstructionguidedfriendly


by Pat Keenan
Great JellyFish Encounter. A quick shot 'taken from the hip'on the deco line as a monstrous creature floats by. Photographed using the Nikonos v (20mm wide lens)Kodak Elitechrome 100ASA.
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