Recovering an Endangered Species
A world first conservation project to help an endangered species
To help declining populations of the White's Seahorse recover, our team here at SEA LIFE Sydney undertook a breeding program. Wild seahorses from Clifton Gardens were moved to the aquarium where they gave birth to hundreds of babies. These baby seahorses grew healthy and strong and in May 2020 they were release onto the Clifton Gardens swimming net and nearby seahorse hotels. The project has continued for its third year in 2022.
Watch the videos below to learn more about the project and the seahorse's journey.
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111 - The Magic Number
In September of 2022, 111 juvenile, Aquarium-bred White's Seahorses were released back into Botany Bay, Sydney.
This is the third year in an ongoing collaboration to help recover the declining population. 15 new re-imagined hotels were placed in Botany Bay earlier this year. Over the last few months, they have been grown over by sponges and algae, making them the perfect place to call home.
Second Year Release

New year, new babies!
A herd of babies each smaller than a grain of rice emerged from their dads’ pouches in the final months of 2020, with a few dozen arriving just two days before the new year rolled around. Their arrival marks a successful start to the second year of the White’s Seahorse Conservation Breeding Program initiated by SEA LIFE Sydney Aquarium, Fisheries NSW and the University of Technology Sydney.

Seahorse Hotel Building

18 New Seahorse Hotels Deployed in Sydney Harbour

Seahorse Babies Released!
In September 2021, over 140 aquarium-bred, baby White’s seahorses were been released into the wild across two Sydney Harbour locations as this threatened species recovery project gains yet more momentum in its hugely successful second year.
Commenting on the release of over 140 seahorses to Delwood Beach and Little Manly today, Laura Simmons, Curator at SEA LIFE Sydney Aquarium, said, “We’re now in year two of a multi-year project that aims to recover the Endangered White’s seahorse. I’m extremely proud that today we saw over 140 tagged White’s seahorses released into the wild, where we hope they’ll go on to breed all around Sydney Harbour and the East Coast of Australia to help White’s seahorse flourish. Today was a major milestone in the long-term, collaborative effort to recover and eventually de-list this species.”
First Year Release

The Project Begins
To help recover declining populations, SEA LIFE Sydney Aquarium began implementing an exciting new breeding and conservation project in collaboration with a suite of organisations including the NSW Department of Primary Industries (DPI) Fisheries and the University of Technology Sydney (UTS) who are their two main partners. The project aims to successfully breed, raise, and release White’s Seahorse back into the wild and monitor their success in helping reverse the decline of this iconic Endangered species.

Seahorse Hotels launched in the Harbour
The primary cause for the White’s Seahorse decline is the loss of natural habitat across their range. To help recover populations, suitable habitat must be available for the seahorses to live on. The sheltered bay at Clifton Gardens provided an ideal location to install seahorse hotels, and simulate the natural habitats which have been lost.
Inspired by lost crab traps, these seahorse hotels start as artificial structures then grow into natural habitats once they are placed in the marine environment. Over time they are grown over by sponges and algae, making them the perfect home for seahorses.

Endangered White's Seahorse Released
In a landmark event ten months in the making, a group of aquarium bred White’s Seahorses have been released into Sydney Harbour as part of a critical conservation project aimed at helping recover this iconic Endangered species.

Project deemed a success
Babies born into a custom-built seahorse breeding facility at SEA LIFE Sydney Aquarium were released in Clifton Gardens in Mosman in May and have since been observed weekly by a special team of divers under the guidance of a UTS Masters Research Student.
Robbie McCracken, a SEA LIFE Sydney Aquarium Aquarist and seahorse expert said the babies are growing well in their new natural environment so-much-so that we are hoping they will begin pairing off and taking part in the upcoming summer breeding season.
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