Scientists find 133 rare porpoises

PUBLISHED : Friday, 28 August, 1998, 12:00am
UPDATED : Friday, 28 August, 1998, 12:00am

The first acoustic study of Hong Kong's finless porpoise population has revealed 133 of the rare creatures in surrounding waters over a two-month period.

The World Wide Fund for Nature (WWF) with dolphin researcher Connie Lai Hong-yu from Hong Kong University's Swire Institute of Marine Science, recorded the porpoises from March to May this year.

Detailed results are expected later in the year.

The group used a hydrophone attached to a computer, and surveyed 900km from Mirs Bay to northern Lantau Island, southern Hong Kong and a part of nearby mainland waters.

The equipment picked up the underwater sounds of the porpoise, which Ms Lai said was more reliable than trying to spot them visually.

The World Wide Fund for Nature called for more studies into the finless porpoise.


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