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UPY 2016 British Waters Macro - Commended
'Friend or Foe?' - Dan Bolt
Having found a lumpsucker (Cyclopterus lumpus) tending to his newly laid eggs in the early spring, I made several visits back to the site over the coming weeks to study the development of the juveniles within the eggs. On this occasion there was a long-clawed porcelain crab (Pisidia longicornis) seeming poised to eat some of the young. Taking my time to observe, it turned out that the crab was actually helping to keep the eggs clean of parasites by eating them off the egg casings. A most fascinating behaviour to watch!
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