2290 page results
Sea lamprey [Petromyzon marinus]
Published dateVertebrate species: fish Description and ecological characteristics The sea lamprey Petromyzon marinus is a primitive, jawless fish resembling an eel. It is the largest of the lampreys found in the UK...
Freshwater pearl mussel [Margaritifera margaritifera]
Published dateInvertebrate species: molluscs Description and ecological characteristics The freshwater pearl mussel Margaritifera margaritifera grows to 140 mm in length, and burrows into sandy substrates, often be...
Harbour porpoise [Phocoena phocoena]
Published dateVertebrate species: mammals Description and ecological characteristics Harbour porpoise Phocoena phocoena appears to favour the continental shelf and may make seasonal movements to the coast. This ins...
Shifting dunes along the shoreline with Ammophila arenaria ('white dunes')
Published dateCoastal sand dunes and continental dunes Description and ecological characteristics Shifting dunes along the shoreline with Ammophila arenaria ("white dunes") encompasses most of the vegetation of uns...
Twaite shad [Alosa fallax]
Published dateVertebrate species: fish Description and ecological characteristics The twaite shad Alosa fallax is a member of the herring family. It is difficult to distinguish from its close relative 1102 Allis sh...
Killarney fern [Trichomanes speciosum]
Published dateHigher plant species Description and ecological characteristics Killarney fern Trichomanes speciosum is a medium-sized, long-lived fern with delicate, translucent fronds arising from a creeping rhizom...
Dry Atlantic coastal heaths with Erica vagans
Published dateTemperate heath and scrub Description and ecological characteristics This priority habitat type comprises coastal heaths on well-drained, moderately base-rich soils in areas with a warm oceanic climat...
LR.HLR.MusB.MytB Mytilus edulis and barnacles on very exposed eulittoral rock
Published date 2015-03On very exposed to exposed rocky shores the eulittoral zone, particularly the mid and lower shore, is typically characterised by patches of small individuals of the mussel Mytilus edulis interspersed ...
CR.FCR.Cv Circalittoral caves and overhangs
Published date 2015-03Caves and overhanging rock in the circalittoral zone, away from significant influence of strong wave action (compare FIR.SG). This habitat may be colonised by a wide variety of species, with sponges s...
SS.SBR.SMus.ModT Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata
Published date 2015-03Modiolus beds on mixed substrata (cobbles, pebbles and coarse muddy sediments) in moderately strong currents or wave exposed areas, typically on the open coast but also in tide-swept channels of marin...