I did something similar a half dozen years back.
I was fishing and hooked a small perch. While I was bringing in the perch, a muskellunge took the perch. I wound up landing a 17lb-9oz musky instead of the quarter pound perch. Did it on 4 pound test line toboot.
You’re the man! Best we did (7yr old and I) was a 12lb carp on 4lb.
On 4 pound test, that’s a real trophy! The muskie’s teeth usually cut you off.
While ocean bottom fishing a wreck site on a head boat at the Outer Banks year before last, I hooked a small blue runner, a pound or less. As I got it up to a foot or so under the surface, there was a flash of brown and white, and line screamed off the reel. The mate came running over, and I said “damned sharks!”
It was a 26 pound Cobia; great fight and tasted wonderful!