Variation in social systems within Chaetodon butterflyfishes, with special reference to pair bonding Nowicki, Jessica P. ; O'Connell, Lauren A. ; Cowman, Peter F. ; Walker, Stefan P. W. ; Coker, Darren J. ; Pratchett, Morgan S. Abstract Publication: PLoS ONE Pub Date: April 2018 DOI: 10.1371/journal.pone.0194465 Bibcode: 2018PLoSO..1394465N