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British Invertebrates - marine
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British Invertebrates - marine
Species
1
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8
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8
Actinia equina
(Beadlet anemone)
The beadlet anemone is the most familiar sea anemone in Britain. When disturbed or exposed to air at low tide it appears as a...
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20 Images
4 Videos
Alcyonium digitatum
(Dead man’s fingers)
Dead man’s fingers is a colonial soft coral that forms thick, fleshy and irregular masses, which are often finger-like in...
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11 Images
3 Videos
Amphianthus dohrnii
(Sea-fan anemone)
This small anemone is pink, orange, red or buff-coloured with streaks of white, and has up to around 80 irregularly arranged small...
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4 Images
0 Videos
Archidoris pseudoargus
(Sea lemon)
The sea lemon,
Archidoris pseudoargus
(also known as
Archidoris tuberculata
in much of Europe) is a common sea slug...
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6 Images
1 Video
Arenicola marina
(Lugworm)
The presence of this lugworm can be detected by the characteristic signs of one of its U or J-shaped burrows; depressions are...
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7 Images
3 Videos
Asterias rubens
(Common starfish)
The common starfish has 5 arms (although individuals may occasionally have just 4 or as many as 6). The colour varies from red to...
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10 Images
5 Videos
Atrina fragilis
(Fan mussel)
Growing to an impressive 48 cm in length, the fan mussel (
Atrina fragilis
) is one of the largest of the bivalve molluscs...
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10 Images
1 Video
Aurelia aurita
(Common jellyfish)
This is the most common jellyfish on British shores. The body is a saucer shaped 'bell', which is colourless except for 4 obvious...
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8 Images
9 Videos
Species
1
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8
of
8
Latest news
3rd November 2009: IUCN Red List of Threatened Species - Extinction crisis continues
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What's new in ARKive
An image of the Extinct longnose stubfoot toad.
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Fascinating footage of red kangaroo thermoregulation.
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Rare images of the Critically Endangered cao-vit crested gibbon.
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Rare camera trap images of Diard's clouded leopard.
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The only known images of the Critically Endangered Eskimo curlew.
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Under the Sea
Leafy seadragons hatch from the male and will reach maturity within 2 years of life.
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The giant clam is the largest species of bivalve mollusc on fossil record and can weigh up to 300kg.
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Since the megamouth shark's discovery, only 17 sightings have been recorded of this elusive fish.
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The basking shark is the second largest fish in the sea, reaching up to 10 metres in length.
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Dusky dolphins are inquisitive creatures, as seen here investigating a southern right whale.
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