The Black darter is a black, narrow-bodied dragonfly that can be seen throughout summer and autumn. It is hovers around damp moors, heaths and bogs, darting out to surprise its prey.

Efallai bod gan datws môr enw doniol ond maen nhw wedi addasu’n berffaith ar gyfer bywyd yn y tywod. Math o fôr-ddraenogod yw tatws môr, sy’n byw mewn twll yn y tywod, gan fwydo ar anifeiliaid a…

There are several species of spider that live in our wetlands, but the water spider is the only one that spends its life under the water. In its pond habitats, it looks silvery because of the air…

The large, dark grey water shrew lives mostly in wetland habitats. It's a good swimmer that hunts for aquatic insects and burrows into the banks.

The water scorpion is not a true scorpion, but it certainly looks like one! An underwater predator, it uses its front pincer-like legs to catch its prey. Its tail actually acts as a kind of '…

Water figwort is a tall plant of riverbanks, pond margins, damp meadows and wet woodlands. Its maroon flowers are pollinated by the Common wasp.

As its name suggests, Water dock likes damp places, such as the egdes of canals, ponds and rivers. It is a tall plant with large, greenish flower spikes.

The water vole is under serious threat from habitat loss and predation by the American mink. Found along our waterways, it is similar-looking to the brown rat, but with a blunt nose, small ears…

This is a predominantly subtidal species but can be found on the lowest parts of a sheltered rocky shore in summer.

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…