(Photograph) - Scale model: Oliver Crimmen, the Natural History Museum’s curator of fishes, grapples with the world’s largest freshwater fish - the arapaima.
Sixth-formers at the Chelsea Academy may benefit from his expertise in the future (see story left).
Want to keep reading for free?
Register with Tes and you can read five free articles every month, plus you'll have access to our range of award-winning newsletters.
