THIS exotic freshwater pet fish can shoot down its prey / 8 intelligent aquarium fishes to keep as pets / Optical illusion: Can you spot the hidden fish in 10 seconds / Video Shows a Rare 'Doomsday' Fish Off the Coast of Mexico / Stripey-faced fish named after warrior princess San / I'm obsessed with fish that clean other fish: they remember their clients, much like a hairdresser / Fish species with 'face paint' named after Studio Ghibli anime character / Video shows Black seadevil fish making rare swim near sea surface / New fish species with 'face paint' named after Studio Ghibli character / Scary-looking black seadevil fish filmed off the Spanish coast in Tenerife for the very first time