Despite its name, the great spider crab is actually smaller than the more common European spider crab.

The Common darter is a red, narrow-bodied dragonfly that can be seen throughout summer and autumn. It is hovers around all kinds of waterbodies, darting out to surprise its prey.

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 '…