Tried fishing under the bridge as I normally fish the lake and get quite a few missed fish. 30 minutes under the bridge resulted in no fish getting away (348 skill to start+20 pole+100 lure) and I got

21 Golden Darter
27 Spotted feltail
43 Barbed Gill trout
1 curious crate
3 inscribed scroll cases

so just about a 20% drop rate on the darters.