FLO5004646: Blood-feeding copepod parasite on a spray's eye, Lernaeenicus sprattae (Lernaea sprattae). And another strange worm found on an oyster shell. Handcoloured copperplate engraving by James Sowerby from The British Miscellany, or Coloured figures of new, rare, or little known animal subjects., Sowerby, James (1757-1822) / Bridgeman Images