Possible Clues:

• ...beat quarry - it's a sucker for stones
• Eel-like bloodsucker
• Beat supplied with quarry, an eel-like creature
• At last I am the victim of this sucker
• After half a century I become victim of this sucker
• A fish to thrash its victims
• After half a century I become the victim of the sucker
• The sucker losses his head and claims to be the victim
• Strike victim, a sucker in the main
• Aquatic bloodsucker