The river lamprey is a primitive, jawless fish, with a round, sucker-mouth which it uses to attach to other fish to feed from them. Adults live in the sea and return to freshwater to spawn.
A common and diminutive fish, the minnow can be found in freshwater streams, rivers and lakes across the country. Look out for the dark stripe along its flank and the red bellies of the males.
Broad Pool is a large body of freshwater lying in a shallow basin on the limestone plateau beneath Cefn Bryn.
The White-clawed crayfish is a freshwater, bronze-coloured crustacean with pale undersides to its claws - hence the name. It is under threat from an invasive and introduced species of crayfish.…
A fierce predator of small fish and flying insects, the brown trout is widespread in our freshwater rivers. It is has a golden body, flanked with pale-ringed, dark spots.
The stunning Teifi Marshes is one of the best wetland sites in Wales, with over wintering birds including thousands of starlings coming in to roost and performing a glorious murmuration over the…
Whether found in a garden or part of an agricultural landscape, ponds are oases of wildlife worth investigating. Even small ponds can support a wealth of species and collectively, ponds play a key…
The Atlantic salmon spends most of its life at sea, but makes an epic journey back to the river or stream in which it hatched to spawn. Look out for it in freshwater rivers in the north and west…
Planaria are flatworms in the phylum Platyhelminthes with amazing regeneration abilities giving them the title 'immortal under the edge of a knife'. There are many different species that…
Young people from around the UK want to see urgent action to tackle the climate and nature emergencies.
