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Turtles Returned to Sea

On Friday (12/8/16) the Agriculture, Fisheries and Conservation Department (AFCD) released three juvenile green turtles in the southeastern waters of Hong Kong.
The green turtles were found by members of the public at Pak Lap Beach and Silverstrand Beach in Sai Kung and a refuse collection depot on Tin Hau Temple Street in North Point between January 2014 and July this year.

After an initial check-up by the AFCD, the turtles were taken to Ocean Park Hong Kong (OPHK) for a thorough veterinary assessment and necessary medical treatment. Since then, they have been looked after at OPHK.

The three green turtles weighed 8.6 kg to 34.5 kg and measured about 45 cm to 66 cm in shell length. All of the turtles were in good condition and ready to be returned to sea.

Before the turtles were released into the sea, the AFCD tagged each of them with a microchip and Inconel tags for future identification. Satellite transmitters were also attached to their shells. By tracking the oceanic movement and feeding grounds of green turtles, the AFCD can collect data for formulating appropriate conservation measures and share its findings with other conservation authorities for the better conservation of sea turtles.

The green turtle is a globally endangered species. Members of the public are urged to report any sighting of sea turtles to the department via the government hotline 1823 to help protect them.

Another Dead Spadenose Shark Found

Another dead shark was found in Hong Kong waters over the weekend, just days after a dead dolphin and shark washed up on two separate Tuen Mun beaches.

It is believed that the two sharks are of the same, or related, shark species.

At 5:45pm on Saturday, a swimmer told lifeguards at Butterfly Beach about what he thought was a shark carcass floating near the shore.

Around six or seven lifeguards then went into the water, finding and retrieving a dead 36-centimetre-long spadenose shark.

Fourth Dead Cetacean Found in 1 Week

A dead finless porpoise (Neophocaena phocaenoides) was found in Discovery Bay on Sunday afternoon, the fourth dead marine mammal discovered in four days after the bodies of three dolphins were discovered on Thursday.
It was found in the water and handed over to the Ocean Park Conservation Foundation for an autopsy. The OPCFHK said that the porpoise was a 1.55 metre long female and the body had reached the fourth stage of decomposition. Its cause of death has yet to be determined.

On Thursday, the bodies of three Chinese white dolphins (Sousa chinensis) were found – one entangled in fishing wire near Lido Beach in Sham Tseng, one in waters near Lamma Island and another in Fan Kwai Tong off Lantau Island.

The Hong Kong Dolphin Conservation Society (HKDCS) estimate that there has been a decline since 2014, when 61 dolphins were estimated to be in Hong Kong waters.

One Dead Dolphin, One Dying Shark

A 60cm-long Pacific Spadenose shark (Scoliodon macrorhynchos) washed ashore at Butterfly Beach in Tuen Mun at about 11.30am this morning. As always when a shark or suspected shark is spotted at beach in Hong Kong,
the warning flag was hoisted and beach-goers are told not to swim there, while marine police and the government flying service scour the area for sharks. No more Sharks were found. The shark may have been still alive when it washed ashore, but is now being autopsied by Ocean Park Conservation Fund.

All of Hong Kongs gazetted beaches are enclosed with shark-prevention barriers of steel wire mesh. The shark nets for the beach were inspected but no damage was detected. It is possible that the shark came ashore during high tide – or it was simply small enough to slip through the mesh.

A similar or possibly the same species was found at a beach on Lamma in August 2014.

Also on Thursday, the carcass of a male Chinese white dolphin (Sousa chinensis) was found on a beach in Sham Tsang in Tsuen Wan district. An AFCD spokeswoman said the department was alerted to the discovery at 11am. The dolphin measured 2.1 metres long and was also sent to Ocean Park for an autopsy.

Sai Wan Ho Dead Dolphin Turns Out To Be Dwarf or Pygmy Sperm Whale

The dead dolphin I posted about yesterday has been reclassified as either a dearf or Pygmy sperm whale by AFCD and Ocean Park Conservation Fund staff. The two-metre-long decomposing whale was found a few metres from the marine police base at Tai Hong Street in Sai Wan Ho.

It is believed it was a male dwarf sperm whale, but a genetic test is needed to confirm its species. The other possibility is its relative, the pygmy sperm whale. Both species are rare in local waters.
Dwarf sperm whales and pygmy sperm whales are extremely similar and usually indistinguishable when spotted at sea. They are widely distributed in tropical and temperate zones of all the world’s oceans.

The first and only recorded local sighting of a dwarf sperm whale was in 1991. There were four previous local discoveries of pygmy sperm whales, with the most recent in 2014.

Dead Dolphin Found Off Sai Wan Ho

A dead dolphin was found by boatman at around midnight off Sai Wan Ho. The dolphin measured about 1.5 m in length. Police recovered the carcass and has passed it to the AFCD for further identification and post-mortem.

Suspected Mui Wo Shark is Actually a Dolphin

Marine police on Saturday (7th May 2016) searching for a shark in Silvermine Bay after a beach-goer reported that he might have seen a shark outside the shark net. The life guards raised the red flag and a police launch and government flying service helicopter were dispatched. But witnesses interviewed by Apple Daily also suggested it may have swum more like a dolphin than a shark. Apple Daily posted a video on their site  here. You can see the “shark” at the 1:00 minute mark. It’s definitely a dolphin.

Appreciating Hong Kong's Rich Marine Life

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