Fish can sleep 4 years in cocoons to avoid drought
Unlike most fish species that are in great trouble when the lake is shallow, African lungfish can make snoozes in mud to wait for the rainy season to return for years, Live ScienceCollection of formidable aquatic monsters
Jeremy Wade, the River Monster TV host, has an impressive collection of 127 kg stingrays, human-eating catfish, giant piranhas and transsexuals.