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Humpback Whales in Australia: Seasons and Rules
When humpbacks pass each coast, how to hear their song underwater, and the exact rules and licensed programs for swimming near them in Australia.
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Hammerhead Sharks in Australia: Where to See Them
By ScubaDownUnder Team
Australia's four hammerhead species, what the hammer is for, where divers see scalloped hammerhead schools, and how dangerous they really are.
Little Bay Shore Dive Guide, Sydney
By ScubaDownUnder Team
Sandy beach entry, a shallow rocky mouth and a reef wall to 13 m: how to dive Little Bay, the eastern suburbs cove between Malabar and La Perouse.
Mantis Shrimp in Australia: Are They Dangerous?
By ScubaDownUnder Team
The real science behind the mantis shrimp's punch and eyes, where to find peacock mantis shrimps in Australia, and why they are called thumb splitters.
Gloomy Octopus: Facts, Octopolis and Diving
By ScubaDownUnder Team
Meet the gloomy octopus, the common Sydney octopus behind Jervis Bay's Octopolis: how it lives, where divers find it and whether its bite is a worry.
Port Willunga, Fleurieu Peninsula
By ScubaDownUnder Team
The cliffs at Port Willunga glow gold in the afternoon light, and below them, in shallow clear water, lie the bones of two pieces of history. A row of...
Green Island, South West Rocks
By ScubaDownUnder Team
Green Island, 100 metres off the coast just north of Smoky Cape, is a grey nurse critical habitat usually dived as a north to south drift in 6 to 18 m.
Ile des Phoques, Freycinet
By ScubaDownUnder Team
Off the Freycinet coast, a rugged granite island rises from the cold Tasman Sea, and the moment you drop in, the seals find you. Ile des Phoques, the Island...
Roe Reef, Rottnest Island
By ScubaDownUnder Team
Two miles off the north-east tip of Rottnest Island, a maze of limestone rises toward the surface, riddled with caves, windows and swim-throughs. Roe Reef...
Trevally: Australia's Schooling Predators
By ScubaDownUnder
The most-recorded fish across our dive sites. Bigeye, giant, silver and golden trevally, how they hunt, and where to find the big aggregations in Australian water.
Rye Pier, Mornington Peninsula
By ScubaDownUnder Team
If you want to photograph a seahorse on your first dive, go to Rye. The pier here, reaching out into the shallow north end of Port Phillip Bay, is one of...
Wedding Cake Island, Coogee
By ScubaDownUnder Team
A kilometre off Coogee Beach, a low slab of rock sits awash in the swell, named for its tiered, icing-white resemblance to a wedding cake. Above the water...
Fortescue Bay & the SS Nord, Tasman Peninsula
By ScubaDownUnder Team
Fortescue Bay's sheltered shore dives and the deep SS Nord wreck in nearby Munro Bight show the range of diving on Tasmania's Tasman Peninsula.
Split Solitary Island, Coffs Harbour
By ScubaDownUnder Team
Twenty minutes by boat from Coffs Harbour, a rocky island that looks as though it has been cleaved in two rises from the Solitary Islands Marine Park. Split...
Nine Mile Reef, Tweed Heads
By ScubaDownUnder Team
Nine Mile Reef off Tweed Heads is an advanced, current-swept reef of 10 to 30 m, known for winter grey nurse sharks and summer leopard sharks.
Leatherjackets: Australian Divers' ID Guide
By ScubaDownUnder
The locking dorsal spine, the sandpaper skin and the fin-rippling hover. Australia has one of the richest leatherjacket faunas on earth, and the southern jetties are the place to see it.
Sea Lions and Fur Seals in Australia
By ScubaDownUnder
The best animal encounter in Australian water, with an endangered endemic at the centre of it. Australian sea lions, fur seals, where to dive with them and how to do it well.
HMAS J-Class Submarines, Bass Strait
By ScubaDownUnder Team
Four WWI J-class submarines lie in 19 to 39 metres in Victoria's Ships' Graveyard outside Port Phillip Heads, deep and protected wreck dives for trained divers.
Tinderbox Marine Reserve, Hobart
By ScubaDownUnder Team
Half an hour south of Hobart, a small beach at Tinderbox hides one of Tasmania's most accessible underwater experiences. Just offshore, a sandstone reef...
One Tree Sinkhole, Mount Gambier
By ScubaDownUnder Team
In the limestone country around Mount Gambier, the ground is full of water. Rain that fell on the Limestone Coast filters down through the rock and gathers...