The silvery roach can be seen gathering in large shoals in lowland ponds, lakes and slow-flowing rivers. It is a member of the carp family and looks very similar to the dace, chub and rudd.

The branching, finger-like projections of this fungus give it the appearance of an underwater coral. Its striking colour and form make it easy to spot, but it is scarce in the UK.

The Broad-bodied chaser is a common dragonfly that can be seen in summer around ponds and lakes, and even in gardens. It lives up to its name: its flattened body gives it a fat, broad look.

The common carp is a very large fish that is popular with anglers due to its size and fighting spirit. It frequents ponds, gravel pits and lakes, but is not native to the UK, being introduced in…

The metallic-green Emerald damselfly can be seen from June to September around ponds, lakes, ditches and canals. Unlike other damselflies, it holds its wings half-open when perched.

A diminutive but aggressive predator, the three-spined stickleback hunts tadpoles and small fish. It is also known for fiercely protecting its nest of eggs until they hatch. Look for it in ponds,…

The Alder fly is a blackish invertebrate, with delicately veined wings that it folds over its body like a tent. It can be found near ponds and slow-flowing rivers; the larvae living in the silt at…

With its prominent, wavy crest, the great crested newt, also known as the 'warty newt', looks like a mini dinosaur! This protected species favours clean ponds during the breeding season…

The Great diving beetle is a large and voracious predator of ponds and slow-moving waterways. Blackish-green in colour, it can be spotted coming to the surface to replenish the air supply it…

A common tree, ash is familiar to many of us for its autumnal bunches of winged seeds, called 'keys'. It can be found in woodlands and prefers damp and fertile soils.