Biologist reports logo Struble Lake
Part III


Part I -- Part II

Chester County
May 11, 2004
Sampling Technique: Day Electrofishing

The Pennsylvania Fish and Boat Commission surveyed the Struble Lake largemouth bass population on May 11, 2004. Pennsylvania Fish and Boat Commission biologists typically compare bass populations between impoundments based upon the total catch of bass, the catch of bass > 12 inches, and the catch of bass > 15 inches per hour of electrofishing. In southeast Pennsylvania the average total catch of bass is 50.4 fish/hr, the catch of bass > 12 inches is 12.3 fish/hr, and the catch of bass > 15 inches is 3.6 fish/hr. Previous surveys of Struble Lake documented a low-density largemouth bass population comprised of larger individuals.

Much of Struble Lake is shallow making wading a popular way to fish
Much of Struble Lake is shallow making wading a popular way to fish

The results of the most recent electrofishing survey revealed a largemouth bass population that was below the southeast Pennsylvania average in terms of total numbers but similar to or better than the southeast Pennsylvania average for larger bass. The catch of bass > 12 inches was 11.4 fish/hr while the catch of bass > 15 inches was 7.5 fish/hr. Additionally, the biologists were impressed with the catch of five largemouth bass exceeding 18 inches long including a 20 inch, 4 pound largemouth bass.

In general the Largemouth bass population at Struble Lake appeared to be in good condition with a fair population of bass up to and including 14 inches long and a better than average population of fish 15 inches long and longer. Anglers wishing to catch numerous bass may wish to fish elsewhere but anglers interested in catching large individuals should give Struble Lake a try.

Fisheries Biologist Dave Miko with two Struble Lake largemouth bass
Fisheries Biologist Dave Miko with two Struble Lake largemouth bass

If you prefer to fish with lures the biologists found indisputable evidence that the largemouth bass at Struble Lake will hit a crank bait (see photo below).

  1991 1993 2004 SE PA Average
Total 19.2 30.3 29.1 50.4
>= 12 in. 10.2 16.1 11.4 12.3
>= 15 in. 0.4 4.5 7.5 3.6
Table 1. Catch per hour of largemouth bass captured during day electrofishing at Struble Lake.

Largemouth bass was collected with lure lodged in its throat. The lure was successfully removed and the fish released.
Largemouth bass was collected with lure lodged in its throat. The lure was successfully removed and the fish released.

 
-- Dave Miko, Fisheries Biologist, Area 6

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