@misc{indiciae4dbad53ad4a3, title = {Why are freshwater fish so threatened?}, author = {Gerard P. Closs and Paul L. Angermeier and William R.T. Darwall and Stephen R. Balcombe}, year = {2015}, doi = {10.1017/cbo9781139627085}, url = {https://pubs.usgs.gov/publication/70174114}, note = {Source identifier: 70174114} }