Marine Biology

The two men did not know whale sharks could be found in waters off Queensland's south-east coast until the inquisitive creature glided up next to their boat.

These glassfish were facing certain death in an almost dry lake before conservationists and government agencies rescued them in the tray of a ute.

An analysis of sea sponge skeletons from the Caribbean suggests Earth has already hit 1.7 degrees and could be 2C warmer than before industrialisation in the next six years, but not all scientists are convinced.

Following any shark incident, understanding the minimal risk it poses, along with shark behaviour, can help alleviate your worries. Here's how to ease back into a swim with peace of mind.

The exposure of bright lights at night is affecting seaweed and disrupting underwater food chains according to new research from UNSW.

Scores of pygmy blue whales, orcas, dolphins, sharks, and tuna are being lured closer to SA's coastline as a powerful seasonal water system sparks a phytoplankton bloom.

Jennifer Lavers is a seabird ecologist visiting Ducie Island, located midway between Peru and New Zealand. It will be the first expedition to the island since the 1990s.

Scientists have moved 25 red handfish to a facility near Hobart in order to protect them from a potentially deadly marine heatwave.

Marine biologists have captured 25 fragile red handfish and removed them from their habitat ahead of a heatwave to protect the species.

The two-month vehicle ban on Broome's famous beach is hailed a success with no reports of turtles injured by vehicles and more than 70 nests identified.

The year has barely started and extreme weather events are already in the headlines. Here are some more big environment issues to keep an eye on.

From human-inflicted cruelty to dramatic crane rescues, this turtle rehabilitation centre has seen it all. With hatching season getting underway, rescuers are urging everyone to be on the lookout.

With intensive salmon farming degrading the habitat for the endangered Maugean skate, hope was placed in a captive breeding program. But weeks after it starts, two of the four rays are dead.

Daniel Lukic's spectacular vision of a massive fever of rays off a Forster beach has caught the attention of a researcher, who says it may contribute to ongoing research about the species.   

Robert Norris and his 17-year-old daughter were looking for mud crabs in a Queensland creek when they found themselves witnessing something they did not expect.

Pods of more than 70 orcas have been recorded at the Bremer Canyon off Western Australia's south coast as the annual season starts with high numbers of killer whales in good health.

Home to almost all the world's marine turtle species, Queensland researchers say there's real concern for the survival of these ancient species.

In his home workshop, Melbourne engineer Girius Antanaitis designed a way to help stranded whales who could not be saved. He wants to use his skills to make the world a better place, especially for wildlife.

Australia is surrounded by stunning islands — you may even spend time on one this summer. Join us on a whistle-stop tour to explore how some of our most iconic isles rose from the sea.

Broad-brimmed, legionnaire, sombrero — whatever your choice, even moderate UV days call for sun protection atop your noggin. But we're not the only hat-wearers in the animal kingdom.

It is the elusive "holy grail" for shark documentary filmmakers, but to date nobody has seen great whites mating, nor do researchers know where they give birth.

The east Australian current has been pumping cold, nutrient-dense water up to the surface, giving night-time beach-goers a beautiful glow-in-the-dark show.

Bioluminescent algae at Coffs Harbour Marina lights up the water.

The animal has been identified as a fin whale, one of the largest cetaceans in the world, and a species rarely seen in NSW waters.

The endemic White's seahorse has been in decline for decades, but now hundreds have been raised in captivity and released around Sydney Harbour, the latest in Clontarf tidal pool.