1: Cleaners clearing shoals of dead fish found along the river at Bishan-Ang Mo Kio Park. Hundreds of dead fish were found floating in the river at Bishan-Ang Mo Kio Park by residents on Tuesday, Feb 4, 2014, causing a stench in the area that lingered till Wednesday afternoon. – ST PHOTO: DESMOND FOO
2-7: Cleaners clearing shoals of dead fish found along the river at Bishan-Ang Mo Kio Park. – ST PHOTO: DESMOND FOO
8-10: Cleaners clearing shoals of dead fish found along the river at Bishan-Ang Mo Kio Park. – ST PHOTO: DAVID EE

Hundreds of dead fish found in Bishan-Ang Mo Kio park river
By David Ee, 5th February 2014;

Hundreds of dead fish were found floating in the river at Bishan-Ang Mo Kio Park by residents on Tuesday, causing a stench in the area that lingered till Wednesday afternoon.

About 400 fish were caught in clumps along the banks or on rocks by the three-kilometre long river, especially on the stretch close to Bishan Road. Many were decomposing under the hot sun.

National water agency PUB said that it was notified about the dead fish on Tuesday morning, and immediately sent contractors to clean up the river. The clean-up was completed by 3pm on Wednesday, the spokesman added.

PUB explained that lower levels of dissolved oxygen in the water caused by recent hot and dry weather could have killed the fish. It said that only two species of fish – Tilapia (Oreochromis sp.) and Mayan Cichlids (Cichlasoma urophthalmus) – were found dead.

Source: The Straits Times

Based on the pile of dead fishes in one of the photos, it would appear that at least one Eartheater Cichlid (Geophagus altifrons) was also a victim of this mass mortality event.

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