Scientific Reports 7: Article number: 45320; published online: 28 March 2017; updated: 17 May 2018

This Article contains errors in Reference 25 and 26, which are incorrectly given as follows:

‘Jacobson, P. First Toba, now Maninjau: another mass fish death hits an Indonesian lake. Mongabay. https://news.mongabay.com/2016/09/first-toba-now-maninjau-another-mass-fish-death-hits-an-indonesian-lake/cited on Sep. 28, 2016 (2016).’

‘Jacobson, P. Why did millions of fish turn up to dead in Indonesia’s giant Lake Toba. Mongabay. https://news.mongabay.com/2016/08/why-did-millions-of-fish-turn-up-dead-in-indonesias-giant-lake-toba/ cited on Sep. 28, 2016 (2016).’

The correct references are listed below as refs 1 and 2.