Finless Porpoise Dies After Fishing Net Entaglement

A sub-adult male finless porpoise measuring 1.43 m in length was found stranded at South Channel, Tap Mun last Sunday (17th August 2014). Tap Mun (also known as Grass Island) is in the northeast New Territories close to the Hoi Ha Wan marine park. According to marine police it was found entangled in fishing nets. The presence of net entanglement, CT scan images by Ocean Park Conservation Fund and the necropsy indicate that the porpoise as a result of net entanglement and likely drowned. Vets also found multiple abscesses I. Both left and right lungs suggesting chronic pneumonia. The porpoise also had lesions and bruising that suggest struggling in a net.

Finless porpoises (Neophocaena phocaenoides) along with the Chinese White dolphins (Sousa chinensis) are the only two cetaceans resident all year round in Hong Kong waters. This is the 34th cetacean stranding in 2014. Entanglement in fishing nets is the top cause of cetacean strandings in Hong Kong.

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Source: Ocean Park Conservation Fund

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