Fig 1. Hybridising coral reef fishes from Christmas and Cocos (Keeling) Islands. The first column of photographs is parent species 1 (named first), second column is parent species 2 (named second) and the third column is the hybrid. Rows are: (a) Cephalopholis nigripinnis × C. urodeta, (b) Chaetodon guttatissimus × Ch. punctatofasciatus, (c) Ch. trifasciatus × Ch. lunulatus, (d) Ch. ornatissimus × Ch. meyeri (hybrid photo: F. Walsh), (e) Hemitaurichthys zoster × H. polylepis, (f) Centropyge eibli × Ce. flavissima (hybrid photo: J. Gilligan), (g) Centropyge eibli × Ce. vrolikii, (h) Centropyge flavisssima × Ce. vrolikii, (i) Chromis fieldi × C. margaritifer, (j) Thalassoma jansenii × T. quinquevittatum (no photo of hybrid), (k) Acanthurus leucosternon × A. nigricans, (l) A. tennentii × A. olivaceus (hybrid photo: M. Craig), (m) Naso elegans × N. lituratus, (n) Melichthys indicus × M. vidua, and (o) Arothron nigropunctatus × A. mappa. All photos are the authors unless stated otherwise.