“…Recovery of declining fish populations entails removing the causative factors of decline and improving environmental conditions to allow natural recruitment, however, in some cases it is necessary to support habitat restoration activities with stock enhancement programmes. This has been a common activity in helping to restore declining salmonid populations for many years (Hendry, Cragg‐Hine, O'Grady, Sambrook, & Stephen, ; Molony, Lenanton, Jackson, & Norriss, ) and is an approach being adopted for other declining freshwater (Bartley, Wagner, & Oplinger, ; Neufeld et al, ) and anadromous fish species (DiMaggio, Pine, Kenter, & Berlinsky, ; Navarro, Carrapato, & Ribeiro, ).…”