The water scorpion is an unmistakeable inhabitant of ponds and slow flowing rivers. It can grow to 3.5cm (including breathing tube) and is an ambush predator that hunts in aquatic plants near the surface. It feeds mostly on other aquatic insects and insects that fall on the surface. It will also eat small fish, tadpoles and froglets as it can catch them. It can be fed maggots, flys, crickets, worms and other insects and will also eat small dead fish.
Water scorpion (Nepa cinerea)
The Water scorpion prefers still water or slow flowing with plenty of vegatation. Female Water scorpions lay around thirty eggs on aquatic plants. When the eggs hatch they go through 5 stages of metamorphosis before becoming adult water scorpions.