Nick Upton / Common prawns (Palaemon serratus) scavenging on a damaged Flat top shell (Gibbula umbilicalis) in a rockpool, Cornwall, England, UK, September.
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Nick Upton / Common prawns (Palaemon serratus) feeding on a dead Montagu's crab (Xantho hydrophilus) in a rockpool, Cornwall, England, UK, September.
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Nick Upton / Common prawns (Palaemon serratus) feeding on a dead Montagu's crab (Xantho hydrophilus) in a rockpool, Cornwall, England, UK, September.
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Nick Upton / Common prawns (Palaemon serratus) and a Shanny (Lipophrys pholis) feeding on a dead Montagu's crab (Xantho hydrophilus) in a rockpool, Cornwall, England, UK, September.
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Nick Upton / Common prawns (Palaemon serratus) feeding on a dead Montagu's crab (Xantho hydrophilus) in a rockpool, with a a Rock goby (Gobius paganellus) swimming past, Cornwall, England, UK, September.
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Nick Upton / Rock goby (Gobius paganellus) stealing food from a scavenging Common prawn (Palaemon serratus) in a rockpool, Cornwall, England, UK, September.
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Nick Upton / Montagu's crab (Xantho hydrophilus) in a rockpool, showing threat posture with open claws raised, walks out of frame, Cornwall, England, UK, September.
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Nick Upton / Two Montagu's crabs (Xantho hydrophilus) competing for a crevice to hide in within a rockpool, with a young Velvet swimming crab (Necora puber) moving away nearby, Cornwall, England, UK, September.
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Nick Upton / Two Montagu's crabs (Xantho hydrophilus) competing for a crevice to hide in within a rockpool, Cornwall, England, UK, September.
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Nick Upton / Montagu's crab (Xantho hydrophilus) moving behind a stone in a rockpool to hide in a rockpool low on the shore, near Falmouth, Cornwall, England, UK, September.
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Nick Upton / Green sea urchin (Psammechinus miliaris) in a rockpool, Cornwall, England, UK, September.
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Nick Upton / Edible crab (Cancer pagurus) in a rockpool, leaves frame, Cornwall, England, UK, September.
