David Fleetham / Necklace sea star (Fromia monilis) on gorgonian coral, Indonesia.
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Alex Mustard / California sea lion (Zalophus californianus) uses a Panamic cushion star (Pentaceraster cumingi) as a toy. The sealions pick up the starfish and then drop them and chase after them as they sink. Los I...
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Nick Upton / Common starfish (Asterias rubens) moving in a rockpool, real time, Cornwall, England, UK, September.
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Sue Daly / Close-up of the limbs of a Spiny starfish (Marthasterias glacialis) showing its many tube feet moving over the seabed, Sark, British Channel Islands, UK, August.
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Sue Daly / Spiny starfish (Marthasterias glacialis) moving its arms over the seabed, showing use of its tube feet, Sark, British Channel Islands, UK, August.
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Sue Daly / Close-up of a Seven rayed starfish (Luidia ciliaris) moving over the seabed, showing use of its tube feet to walk, Sark, British Channel Islands, UK, August.
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Sue Daly / Seven rayed starfish (Luidia ciliaris) moving over the seabed, showing use of its tube feet to walk, Sark, British Channel Islands, UK, August.
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Georgette Douwma / Chocolate chip sea star o (Protoreaster nodosus) on sandy bottom. Mabul, Malaysia.
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Franco Banfi / Sea star (Hacelia attenuata) on coral covered with mucilage, a symptom of rising sea temperature, Vis Island, Croatia, Adriatic Sea, Mediterranean.
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Georgette Douwma / Blue starfish (Linckia laevigata) Malaysia.
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Georgette Douwma / Granulated sea star (Choriaster granulatus) on artificial reef. Mabul, Malaysia.
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Alex Mustard / Plumose anemones (Metridium senile) and common starfish (Asterias rubens) beneath the sun in a Norwegian Fjord. Gulen, Bergen, Norway. North East Atlantic Ocean.