Mystery shrouds massive Stanley fish kill

June 08, 2015 09:45

Thousands of fish stuggle in the water off Stanley. Many washed ashore dead or dying (inset). Photo: Google Map, Apple Daily

Tens of thousands of dead white fish have washed ashore in Hong Kong's Stanley district but authorities don't know what killed them.

The massive fish kill covered a big swath of St. Stephen's Bay in a silvery hue, Apple Daily reported Monday.

Most were sardines, thousands of which were spotted struggling in the water.

A man, surnamed Chui, described the scene as "breathtaking", with the water covered in a film of silver from dead or dying fish for about 30 minutes on Sunday.

He said he tried to push some of the fish back out to the water but there were just too many of them.

Most had died, he said.

For a moment, Chui said he thought it was a sign of an impending natural disaster.

Scuba divers reported more dead fish further offshore.

In July 2013, thousands of small fish washed up on the Central government pier.

Experts said they might have been disturbed by severe noise caused by passing vessels or by extremely hot weather.

Chong Dee-hwa, chairman of the Ichthyological Society of Hong Kong, said the Stanley incident could have been due to noise from large vessels.

Also, low tides could have left pools on the sea floor, stranding the the fish and exposing them to extreme heat.

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Hong Kong

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