Largemouth Bass (Micropterus Salmoides Smallmouth

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Largemouth Bass (Micropterus salmoides), Smallmouth Bass(Micropterus dolomieu), and Spotted Bass (Micropterus puntulatus)Management and Fishing in PennsylvaniaPennsylvania Fish & Boat Commission fishandboat.comPrepared by R. Lorantas, B. Frick, PFBC Warmwater Unit;and Fisheries Management Biologists2020 UpdateGoal: Maintain or enhance Largemouth Bass, Smallmouth Bass, and Spotted Bass sport fishing throughharvest management of naturally sustained bass populations and through habitat preservation andenhancement. Judiciously stock Largemouth Bass and Smallmouth Bass in compatible new and reclaimedhabitats.Largemouth Bass and Smallmouth Bass occur throughout Pennsylvania and were originally indigenous to theOhio River and Lake Erie Drainages. Spotted Bass, Pennsylvania’s most rare black bass, occurs only in theOhio River Drainage. The Ohio River Drainage includes the Ohio River, Allegheny River, and MonongahelaRiver Drainages. Generally, in Pennsylvania, Largemouth Bass occur at lower densities in riverine (lotic)habitats compared to Smallmouth Bass. However, Largemouth Bass are frequently found at higher densities inshallow reservoir and shallow lake (lentic) habitats compared to Smallmouth Bass. Largemouth Bass andSmallmouth Bass both frequently occur in large and medium size deeper reservoirs. Smallmouth Bass aretypically abundant in rivers, warm-water streams, and medium to large size lakes and reservoirs. In the LakeErie Drainage, Largemouth Bass are largely confined to Presque Isle Bay; however, Smallmouth Bass areabundant in both Lake Erie and Presque Isle Bay. Smallmouth Bass and Largemouth Bass stocking by thePennsylvania Fish and Boat Commission and other agencies over a century ago into the Delaware,Susquehanna, and Potomac River Drainages led to colonization of waters within these drainages, where bothspecies are now self-sustaining. The Susquehanna River Drainage includes the West Branch SusquehannaRiver and Juniata River Drainages. The Delaware River Drainage includes the Lehigh River and SchuylkillRiver Drainages. Most natural warm-water lakes and man-made reservoirs throughout Pennsylvania containself-sustaining Largemouth Bass and Smallmouth Bass populations. In the Delaware and Schuylkill Rivers,Smallmouth Bass predominate, with Largemouth Bass largely confined to the tidal portions of these rivers,where they typically outnumber Smallmouth Bass. In the Susquehanna River, Smallmouth Bass alsopredominate, whereas Largemouth Bass are found primarily in power dam pools at lower densities thanSmallmouth Bass. Spotted Bass are most abundant within a 20-mile radius of the confluence of the Ohio,Allegheny, and Monongahela Rivers in western Pennsylvania.Largemouth Bass and Smallmouth Bass populations are managed for sport fishing through harvestmanagement, habitat management, habitat enhancement, and through stocking. Stocking Smallmouth Bass

much cover). Here, vegetation control through planned, over-winter partial draw-down will freeze and desiccatenear shore vegetation and serve to restore predator and prey balance following refilling in spring. Assessmentsmay show a lack of spawning or nursery habitat, in these instances artificial or natural materials may be addedto create such habitat. The Pennsylvania Fish and Boat Commission has an active corps of volunteers thatassist in placement of structures after an approved plan has been developed. We encourage organizationsinterested in volunteering time to contact our Habitat Unit to learn more.Figure 1. Average length of Largemouth Bass (March-June), Smallmouth Bass (July-September), andSpotted Bass (March-October) collected by Fisheries Biologists in assessment gear in PennsylvaniaTable 1. Average weight and average age of Largemouth Bass (March-June), Smallmouth Bass(JulySeptember), and Spotted Bass, at a given length, collected by fisheries biologists inPennsylvania(March-October)Largemouth BassSmallmouth BassSpotted 0.10.1 0.1 0.14.50.10.80.10.3 0.1 50.21.80.21.70.21.580.220.21.90.21.9

.31.561.616.3151.75.61.76.41.8 16.315.51.961.86.82 16.3162.16.427.32.2 16.316.52.36.82.27.72.4 16.3172.67.22.48.22.6 .114.4.225.914.65.515.5.22.56.416.15.916.6.236.8 16.16.3 16.6.23.57.3 16.16.7 16.6.247.9 16.17.2 16.6.24.58.4 16.17.7 16.6.259 16.18.2 16.6.25.59.6 16.1.

Estimation of catch and harvest by anglers from various waterways (rivers, streams, reservoirs, lakes, andponds) is essential in developing harvest regulations. Information derived from these creel surveys is of interestto anglers since seasonal peaks in catch occur for most species. Black bass can be caught at most any time ofyear, generally though, highest catch per hour occurs in spring through fall, with highest catch rates occurring infall on medium and large size reservoirs (Fig. 2 and 3). On rivers, Smallmouth Bass catch rates are highest insummer (Fig. 4). With fishing destinations identified in detail from maps on this site and information describingthe best seasons to catch black bass illustrated below, anglers need only select an effective bait or lure. ForLargemouth Bass, Smallmouth Bass, and Spotted Bass, all top predators, there are a plethora of bait and lureoptions that include live shiners, live worm rigs, and a host of artificial baits. Artificial baits are the mainstay ofmany bass anglers and range from jigs, rubber worms, spinners, plugs, crank baits, and stick baits. These canbe fished or rigged to attractively present the bait to the bass in both shallow and deep water, and in eitheropen water or in cover. Local tackle shops, guides, outdoor writers, and local bass clubs have the mostknowledge about baits and presentations that are most effective in waters that are in their ‘backyard’. Withmodest perseverance, any angler willing to experiment with baits and presentations can be very successful incatching bass on any water in which they occur in Pennsylvania. Catch and release bass fishing is a popularpractice among bass anglers in Pennsylvania.Additional information that can be helpful to answer some questions that an angler may have can be found onthe Fishing FAQs page located elsewhere on this website.Reservoirs 50 and 500 Acres0.50.40.30.2SpeciesLargemouth BassSmallmouth Bass0.10.0MonthFigure 2. Average catch per angler hour, by month, of Largemouth Bass and Smallmouth Bass frommedium size Pennsylvania reservoirsReservoirs 500 Acres1.51.0SpeciesLargemouth BassSmallmouth Bass0.50.0MonthFigure 3. Average catch per angler hour, by month, of Largemouth Bass and Smallmouth from largesize Pennsylvania reservoirs

Bass and Largemouth Bass to reach 12 inches in length. Spotted Bass require about 6 years to reach 12 inches in length. It will take Smallmouth Bass and Largemouth Bass about 6 years to reach 15 inches in length, while most Spotted Bass would take more than 16 yea

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