Unnatural disaster ahead

'River pigs' face extinction. Their disappearance could cause a massive ecological catastrophe. Wang Ru reports.

Two have been found dead every week on average for the last six weeks in Dongting Lake, Hunan province. Yangtze Daily reports more than 20 other casualties have been found in Poyang Lake, Jiangxi province, since February, including four this month.

These are alarming statistics of the Yangtze finless porpoise, aka the "river pig".