... » 亚马逊河豚（AMAZON RIVER DOLPHIN） » 恒河喙豚（GANGES RIVER DOLPHIN） » 暗黑斑纹海豚（DUSKY DOLPHIN） ...
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ganges and indus river dolphin 恒河豚科 ; 恒河豚属
The Ganges river dolphin is also in grave danger; only a few thousand remain, and they live in some of the most polluted rivers on Earth.
恒河河豚也是岌岌可危。 现仅存数千头，生活在地球上污染最严重的水域。
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But it's the Ganges river dolphin and the Irrawaddy dolphin which give the most cause for concern.
BBC: NEWS | South Asia | Bangladesh's majestic dolphins at risk
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