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White tip reef shark

Will Marine Reserve Protect Coral Sea Sharks?

Shark fishing needs to be banned at Osprey and Shark Reef in the Coral Sea for a Marine Reserve to work, concludes a study published yesterday. It is estimated that each year, live-aboard dive boats are directly responsible for generating at least AU$16 M worth of income. Of all the Coral Sea reef systems, Osprey Reef has the highest visitation rate by tourism operators, primarily to conduct shark dives. So, the depletion of reef sharks at Osprey Reef would have serious financial ramifications for the area. To put this into perspective, in the Maldives, the removal of only 20 grey reef sharks, with a market value of only AU$1 000, caused an estimated loss of AU$500 000 annually in diving revenue.
Humpback Whale

Humpback Whales Sing for their Supper

Humpback whales work together whilst foraging on the bottom for food – but how do they co-ordinate their behaviour? The answer might be a "tick-tock" song.
Removing top predators, like sharks and groupers, doesn’t help smaller reef fish. Photo is of Big Eye by Tim Nicholson

Removing top predators doesn’t help smaller reef fish

Removal of large predators through fishing has been suggested to help the populations of smaller fish.
Great white shark

Great White Sharks Live more than 70 Years

Great white sharks may be among the longest-lived fishes. New study finds the shark can live over three times longer than previously estimated, which may mean it is even more vulnerable than thought.
Divers on boat

Goodbye to sunburn

Sunburn can ruin a scuba diving holiday, but you could soon tell when to cover up thanks to an early warning sunburn indicator, developed...
Boaty McBoatface

Marine sensors funding to help probe mysteries of the deep

Researchers at the University of Southampton have received funding to develop sensors capable of working in extreme ocean conditions. The sensors that will result...

Turtles at risk from non-stick pans

The same chemicals that keep food from sticking to our frying pans and stains from setting in our carpets are damaging the livers and...

Creature of the Month: Plumose Anemone

Plumose anemones (Metridium senile) occur in large numbers in good diving areas in temperate waters. They comprise a tall, smooth column topped with a...
Coral reef

‘100 Years’ until Bleaching a Problem for Corals in Northern Red Sea

Warming seas around the world are threatening corals. But scientists from the Hebrew University of Jerusalem and Bar-Ilan University have noticed that corals in...

Motorboat noise halves reef fish survival rate

Noise from passing motorboats increases stress levels in young coral reef fish and reduces their ability to flee from predators - causing more than twice as many to be killed.