Endangered seahorses found on Sydney’s Northern Beaches during council repair work

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December 21, 2018 08:35:24

Nearly 40 of one of the world’s only endangered seahorses have been discovered on Sydney’s Northern Beaches, as council workers prepared to conduct repair work on tidal pools.

White’s seahorses, one of two endangered species of seahorse, can only be found in Australia — and now the rare creatures have been spotted in Seaforth and Balgowlah.

“We had no idea of their existence and then to be told we have a colony of these rare seahorses, we’re pretty excited to play a part in protecting them,” Mayor Michael Reegan said.

Council staff found the animals while preparing to conduct repair work on the Clontarf Beach and Forty Baskets tidal pools.

Divers also found eight pipefish, which look like straightened-out seahorses.

They are now safely moving all the seahorses to nearby seagrass beds.

The diver leading the relocation project, Carl Fallon from Sea Dragon Protective Enclosures, described the seahorses as “cryptic” and hard to find.

“It’s like gold panning, you know when you find that nugget it’s like ‘boom, there you go you’ve got one’, and once you start finding one you know that there’s going to be more in the area,” he said.

The extraordinary find has come at an important time of year for the seahorses — breeding season.

This means many of the creatures being moved are pregnant.

“The male animal gives birth, which is unusual in the animal kingdom, but they also fall in love — the seahorses pair up for life,” said David Harasti, a senior research scientist with NSW Fisheries.

“It’s a lovely relationship they have together in the underwater world.”

Mr Fallon said his divers were careful not to separate the loved-up seahorses during the move.

“We’re lucky enough to see pregnant males … so if we do see any that are close to each other during the relocation we put them in a bag [together],” he said.

White’s seahorse population numbers have decreased dramatically in the past few years due to destruction of their habitat; primarily sea grass and sea sponges.

“In some places we’ve had declines of up to 90 per cent, so where we used to see around 400 seahorses we’re down to about 10 animals now,” Dr Harasti said.

According to Dr Harasti, man-made structures — like the netting at Clontarf Beach’s tidal pool — are providing an alternative habitat for the endangered animals.

“These artificial structures are basically seahorse magnets, if you build it they will come,” he said.

These seahorses might be endangered, but Mr Reegan thinks his newfound Northern Beaches residents are in safe hands.

“With the community around here, they love their natural environment so no doubt there’ll be countless volunteers, as there are in places like Manly with the little penguins, to help look after the sea horses,” said Mr Reegan.

Topics:

science-and-technology,

animals,

human-interest,

seaforth-2092,

balgowlah-2093



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