Coastal Species and Marine Biology Identification

Vocabulary flashcards identifying Norwegian coastal marine algae, coastal vegetation, and intertidal fauna.

Blæretang

A species of brown seaweed (Fucus vesiculosus), commonly known as bladder wrack, characterized by paired air bladders along its fronds in the intertidal zone.

Grisetang

A common brown alga (Ascophyllum nodosum), also known as egg wrack or knotted wrack, featuring large single egg-shaped air bladders on long fronds.

Sukkertare

A large brown kelp species (Saccharina latissima), known as sugar kelp, consisting of a single broad blade with wavy or frilled edges.

Fingertare

A brown kelp species (Laminaria digitata), known as oarweed, featuring a broad blade divided into finger-like segments.

Tarmgrønske

A bright green alga (Ulva intestinalis), commonly called gutweed, characterized by hollow, tubular, grass-like structures.

Marebek

A crustose lichen (Verrucaria maura), known as sea tar lichen, forming thin black tar-like coatings on rocks in the supralittoral zone.

Sagtang

A brown alga (Fucus serratus), commonly known as saw wrack or serrated wrack, distinguished by flattened fronds with saw-toothed edges.

Strandnellik / Fjærekoll

A coastal perennial flowering plant (Armeria maritima), known as sea thrift or sea pink, featuring round clusters of pink flowers.

Kystbergknapp

A low-growing succulent plant (Sedum anglicum), known as English stonecrop, growing on coastal rock crevices with small fleshy leaves and star-shaped flowers.

Fjærerur

A species of intertidal sessile barnacle (Semibalanus balanoides), commonly known as the northern rock barnacle, encased in rigid calcareous plates.

Posthornmark

A tiny tube-building polychaete worm (Spirorbis spirorbis) that constructs spiraled white calcium carbonate shells attached to seaweed fronds.

Rød brennmanet

The lion's mane jellyfish (Cyanea capillata), a large scyphozoan jellyfish with a reddish-yellow bell and long, stinging tentacles.

Strandsnegl

The common periwinkle (Littorina littorea), a small herbivorous marine gastropod snail abundant on rocky intertidal shores.

Membranmosdyr

A colonial bryozoan species (Membranipora membranacea), known as sea mat, forming delicate white lace-like crusts on brown kelps.

Strandkrabbe

The common shore crab (Carcinus maenas), a widely distributed coastal decapod crustacean found along littoral zones.

Smørbukk

A succulent flowering plant (Hylotelephium telephium / Sedum telephium), commonly known as orpine, inhabiting rocky habitats.

Vanlig korstroll

The common starfish (Asterias rubens), a five-armed predatory echinoderm found in European marine ecosystems.

Blåsnegl

The blue-rayed limpet (Patella pellucida / Ansates pellucida), a small marine snail with bright iridescent blue stripes living on kelp blades.

Japansk drivtang

An invasive brown seaweed (Sargassum muticum), known as wireweed, featuring complex branching and small spherical air bladders.

Slettrugl

An encrusting coralline red alga (Phymatolithon lenormandii) that forms smooth pink hard calcified crusts over rocky surfaces.

Havsalat

Sea lettuce (Ulva lactuca), an edible green seaweed with thin, translucent sheet-like fronds.

Eremittkreps

A hermit crab (Pagurus bernhardus), a decapod crustacean that inhabits empty snail shells to protect its uncalcified abdomen.

Sandreke

The brown shrimp (Crangon crangon), a small sand-colored crustacean living on shallow sandy seafloors.

Albuesnegl

The common limpet (Patella vulgata), an intertidal sea snail with a conical shell that clamps firmly to rocks.

Martaum

Mermaid's tresses (Chorda filum), a brown seaweed consisting of long, flexible, unbranched rope-like strands.

Havklipperagg

Sea ivory (Ramalina siliquosa), a tufted shrubby lichen growing attached to sunlit coastal rocks.

Remtang

Thongweed (Himanthalia elongata), a brown alga characterized by button-shaped basal thalli and long strap-like reproductive fronds.

Ærfugl

The common eider (Somateria mollissima), a large marine duck species residing along northern rocky coasts.