TPWD 1956 F-6-R-3 #240: Inventory of Fish Species Present in Falcon Reservoir

STATE Texas PROJECT N0. F5R3 - Job B—E _ PERIOD July 1, 1955 - June 30, 1955 ' Segment Completion Report Alvin Flnry - Project Leader Lou Guerra - Assistant Project Leader TITTE Inventory of Fish Species Present in Falcon Reservoir. OBJECTIVES To determine the species present and their relative numbeis in Falcon -Reservoir. PROCEDURE A. Netting Collections. 1. Ten stations were selected on Falcon Reservoir to represent different locations and ecological conditions. A.total of 120 experimental gill nets were set from July 1, 1955 to June 30, 1956. When possible nets were set at each station at monthly intervals. 2. All fish.taken in note Were weighed, neasured, sexed, and parasites noted. Scales failed to yield any signs by which age could be determined. There were 123 stomachs taken and preserved for later laboratory study. B. Seining Collectisns. 1. Six seining collections were made at the three available beaches, with a 30 by 6 foot bag seine. Three rotenone collections were made chiefly in an effort to recover bass fry. 0. Iata collected on netting and seining collections was recorded on fish cards and collection sheets. These were filed for further study, tabulation, and analysis. RESULTS A. Netting Collections. 1. A total of 1,701 Specimens of twenty-one species was taken in 120 experimental gill net sets. (Table 3). 2. The data collected was filed and the "K9 factors and stomach analysis will be presented in the job completion report. B. Seining Collections. l. A total of 5,6HO fish of thirtyuthree species was taken in six seining and three rotenOne collections. 0. All data observed and recorded in making the netting and seining collects ions was filed and will be used later in making detailed charts and tables for the job completion report. A total of thirty-six_species of fish have been recorded during this segment from Falcon Reservoir. Their frequency of occurrence is shown on Table 2. SUMMARY One hundred and twenty experimental gill net sets, six seining, and three rotenone collections were made in Falcon Reservoir during this segment. Because of the flucuating' water levels, inflow of flood waters, and general periods of un- stable water stages this job was amended to be extended for one more year. Fish collected were weighed, measured, sexed, and parasites noted. Stomach contents of some fish were preserved for later laboratory study. Thirty-six fish species have been recorded from Falcon Reservoir. Three tables are also included in this report. Table 1. Species List From Falcon Reservoir. man" Scientific Name Common Name nepisos+eus spatula Alligator Gar Lepisosteus platostomns Shortnose Gar Lspisosteus productus Spotted Gar tepisosteus osseus Longnose Gar Dorosoma petenensis Threadfin Shad fiorosoma cepedianws Gizzard Shad Kstyanax fasciatus m.. Rio Grande_Tetra istiobus niger Black Buffalo Tctiobus bubalus Smallmouth Buffalo Sarpiodes carpio River Sarpsucker Gyprinus carpio I Carp . Hybopa aestivalis Speckled Dace Notropis amabilis Texas Shiner Notropis lutrensis Redhorse Shiner Notropis jemezanus Rio Grande Shiner Retropis‘proserpinus Proserpine Shiner Notropis braytoni Tanaulipas Shiner Totalurus punctatus Southern Shannel Catfish ict alurus furcatus Blue Catfish Ameiurus melee Black Bullhead “biodictus olivaris Flathead Satfish rnguiila rostrata Jr“ American Eel Pvprincdon variegatus ' Sea Pupfish CEEbusia affinis ' Texas mesquitofish Mugil chphalwuus ‘ ' Striped Mullet Henidia beryllina Tidewaters Silversides ihaenobryttus coronarius warmouth_Bass Ebrone chrysops White Bass Rhcropterus salmoides Largemouth Black Bass Lepomis cyanellus Green Sunfish Lepomis macrochirus Bluegill Lepomis auritus Yellowbelly Sunfish Lepomis megalotis ' Longear Sunfish Romcnis annularis White Srappie fiplodinotus grunniens Fresh water Drum gichlasoma oyanoguttatam Rio Grande Perch HT - HWUHo w. 5.me octane Ho mseogsesefl. QHHH Zoom macs eanor Loaoadoeu. thw H“ Hmmm .. 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