You may remember the massive Amazonian Arapaima (callled Harry) from your visit to the Blue Planet Aquarium. Well this year, it wasn’t there. A couple of months ago it managed to escape by jumping out of its tank – all 2m of it! – and sadly died, flopping on the floor. It has been sent to the Natural History Museum in London, where it turned out to be a female… Click here if you don’t know what I’m talking about.