I may have a theory about what happened to your crawfish.
I did have that SMB yesterday that really swallowed the lure. I kept it just in case it didn’t recover. What did I find inside it when dressed? Crawfish. Yep.
12 yr old pond, 1 ac, 15' deep. RES, YP, GS, FHM (no longer), HBG (decreasing), SMB, and HSB (only two have been seen in 5 yrs) I think that's about all I should put in my little pond. Otter attack in 2023.