Vertebrates - Amphibians Pond life key Smooth Newt (male) Crest - females have no crest. 4 legs. Brown spotted body, 10 cm long. Common frog May also be found as tadpoles or frog spawn. Smooth, moist skin. Toads have drier, warty skin. Green, spotted body. Newt have tadpoles, just like frogs and toads. Vertebrates - Amphibians

Invertebrates - insects (all have 6 legs) Pondskater floats on the pond surface. Back 4 legs used for moving on the surface. Front 2legs grab food. Water scorpion eats tadpoles and other insects. One tail 6 legs Brown body, 5cm long. Springtail Black body, 1.5 cm long. Jumps using its coiled tail when disturbed. Front legs used for grasping prey. Dragonfly nymph Black body 6cm long. Powerful jaws Small wings Short tails Powerful predator Mayfly nymph 3 tails Plant eater Nymphs are the water living stage of flying insects. Stonefly nymphs look similar but have two tails.

Hard case covering wings Invertebrates - more insects Great red sedge Turns into a moth like adult. 6 legs. Makes an open ended case from bits of plant. Eats plants and insect larvae. Midge larvae Red body, 2cm long. Head with an eye spot. Turns into a flying midge. There are 500 types of flies who have larvae that live in water. They will look like the midge larvae or the mosquito larvae. Mosquito larvae Hangs from the surface of the water. Head with eye spots. Hard case covering wings Voracious carnivore Back 4 legs adapted for swimming. Great diving beetle 3 cm long

Invertebrates - Crustaceans Water hog louse Long antennae Hard segmented shell. 13mm long. Freshwater shrimp 7 pairs of legs. 2 pairs of antennae. Hard segmented body, 2.5 cm long. 7 pairs of legs. Water flea Also known as Daphnia. 3 mm long Eggs inside body. Stomach Antennae See through body.

Other Invertebrates Leech Green hydra Sludge worm Flat worm Pond snail Related to jellyfish 6 tentacles with stinging cells. Mouth Base sucker. Leech Soft segmented body Rear sucker Front sucker A segmented worm Green body, 6mm long. Sludge worm A segmented worm Red segmented body. About 1 cm long Lives in mud. Flattened body, 2cm long. Head with eye spots. Pond snail Dark brown shell, 3cm high Antennae Muscular foot for moving. A mollusc Flat worm