‘Good morning, gang.’ At the sound of her voice, Einstein flowed out from under her rock and glowed green in greeting. She’d become quite friendly, and enjoyed having her arms stroked after being fed. But not in front of an audience. That little intimacy was reserved for when they were alone. ‘Hope you’re hungry,’ Zoe said. ‘I’ve saved the fattest pilchard for you.’ Einstein’s arms snaked towards the top of the tank. ‘Not yet,’ she said. ‘We’ve got a show to do first, and you’re growing a little bit lazy.’ Zoe moved down the rows of tanks, checking on the wellbeing of her charges. She stopped to watch the reef squid ripple through the water. Surprisingly beautiful, with scintillating bands ranging in colour from black to almost transparent, and pairs of iridescent spots on their billowing

