Author Institution: Chesapeake Biological Laboratory, Solomons, Marylan

Schwartz, Frank J.

The Ohio Journal of Science

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RECORDS OF THE ALLEGHENY BROOK LAMPREYICHTHYOMYZON GREELEYI HUBBS AND TRAUTMAN,FROM WEST VIRGINIA, WITH COMMENTS ON ITSOCCURRENCE WITH LAMPETRA AEPTYPERA (ABBOTT)FRANK J. SCHWARTZfChesapeake Biological Laboratory, Solomons, MarylandThe upper Ohio River system of New York, Pennsylvania, and Ohio hasgenerally been cited as the range of the Allegheny Brook Lamprey Ichthyomyzongreeleyi Hubbs and Trautman (Blair et al. 1957; Hubbs and Trautman, 1937;Raney, 1939a; Trautman, 1957). Recently, Clay and Lachner (1955) reportedthe existence of Ichthyomyzon greeleyi in Russel Creek, a tributary of the GreenTABLE 1*Measurements of male and female Ichthyomyzon greeleyi in thousandths of the totallength from two localities within the Ohio River drainage, West VirginiaLocality andSpecimen No.Meathouse ForkUSNM 170972Little Kanawha RiverUSNM 171992Ammocoete1234567891011121314151617Averages18192021222324252627AveragesGrand AveragesSex<?—cf&<?d1&d1d>c?d1&c?cfd1&cf9999999999Totallength161.5125.3130.0129.7129.6127.5126.0123.9120.5118.8116.5114.1113.8113.5112.7111.6109.2108.7106.0118.4129.6127.9124.6121.8121.0117.8114.9114.3109.6109.2119.1118.9Taillength242274292292299308286281283287303304294273289283302290269290287270258278285267280262283268272283Bodydepth7965818381728176848070846965837375827477757070716869707067827175Eyelength14—141213131513161213111312171316171414111510111213141414151313Snoutlength69—838989897578848782828084898487788984808176907470796875757781Disklength53—636256635561636355535558665860606160525251525954555257605458Gilllengthoverall10911388110991149998107989910411011511101105107118105110108106100104107103103107115106106*A11 values, except total length, are rounded off.•(•Contribution No. 120, Maryland Department of Research and Education, Solomons,Maryland.THE OHIO JOURNAL OF SCIENCE 59(4): 217, July, 1959.218 FRANK J. SCHWARTZ Vol. 59River, Adair County, Kentucky. The later record of 4 specimens extended theknown range of this lamprey some 400 mi southwest from that of the upper OhioRiver to the Green River drainage of the lower Ohio River system.A male lamprey, Ichthyomyzon greeleyi, 161.5 mm long, USNM 170972, wascaptured on March 20, 1957, in Meathouse Fork of Middle Island Creek, one andone-half mi downstream from New Milton, Doodridge County, West Virginia.TABLE 2Myomere and tooth counts for male and female Ichthyomyzon greeleyi fromtwo localities within the Ohio River drainage, West VirginiaLocality andSpecimen No.Meathouse ForkUSNM 170972Little KanawhaRiverUSNM 171992Ammocoete1234567891011121314151617Averages18192021222324252627AveragesGrand AveragesSex—&&&c?c?d1cTd1c?t?&<?<?&&9999999999Myo-meres5856585958565758606055595757565960585657.86060586059585958575858.758.1Super-orals3-322333333223333222.622233333332.72.7Infra-orals8—10879699999688810688.2881099898888.88.3Circum-orals21—212021222021212322201820222020202120.12022202022212220212221.020.8Anteriorrow4-444343434343434433.633443433343.43.5Lateralrow7-777767767767767776.766577767676.46.6Biscuspidcircumorals10—91098898888788888108.48888910108888.58.4In addition, the author collected one ammocoete and 27 spawning greeleyi, USNM171992, on May 16, 1958, from the Little Kanawha River at and for a distance0.3 mi south of Falls Mills, Braxton County, West Virginia. The capture of thesespecimens extends the range some 300 mi northeast of Russel Creek, Kentucky,(Clay and Lachner 1955) and supports the distribution rounded out by Trautman(1957, Map 4) as extending along western West Virginia north to Pennsylvaniaand south to Kentucky.The single specimen from Meathouse Fork was difficult to identify because ofits large body size, certain meristic counts and body proportions intermediatebetween /. greeleyi and the parasitic form I. bdellium (tables 3 and 4). Countsand measurements, expressed in thousandths of the total length, of the 28 speci-mens captured in the Little Kanawha River (tables 1 and 2) readily fell (tablesNo. 4 ALLEGHENY BROOK LAMPREY 219TABLE 3Summary comparison of measurements of Ichthyomyzon greeleyi. Range ofvariation and averages with those of Ichthyomyzon bdelliumfLocalityGillTotal openingsNo. of length Tail Body Eye Snout Disk lengthspecimens (in mm) length§ depth§ length§ length§ length§ overall§s£.§Pennsylvania(Total)KentuckyWest VirginiaMeathouse ForkLittle KanawhaRiverIllinois to N.Carolina109412827128.0105-161122161.5118.9106-130189124-259297245-325242283258-308274214-3117659-90797565-847362-921310-161413*10-17116-157351-886981*68-908629-915343-6547.65358*51-666935-779888-11010910688-1188984-107tInformation on Ichthyomyzon greeleyi from Hubbs & Trautman, 1937 and Clay and Lachner,1955 and I. bdellium from Hubbs & Trautman, 1937.§Measurements in thousandths of total length.*27 specimens.TABLE 4Summary comparison of myomere and tooth counts of Ichthyomyzon greeleyi;range of variation and averages with those of Ichthyomyzon bdelliumfNo. ofLocality specimensPennsylvania(Total)^ Kentucky^ West Virginia10941• Meathouse ForkLittle KanawhaR."^  Illinois to N. C."^2727Myo-meres57.955-6157.556-585858.1*56-6056.953-62Super-orals2.82-43—32.72-32.62-3Infra-orals9.47-129.37-J088.36-108.47-10Circum-orals21.519-24.2120.818-2320.819-21Anteriorrow4.13-5—43.53-44.34-5Lateralrow7.25-9•7.6.65-78.37-10Bicuspidcircumorals8.47-117.87-8108.47-107.85-10•("Information on\Ichthyomyzon greeleyi from Hubbs & Trautman, 1937 and Clay and Lachner,1955 and /. bdellium from Hubbs & Trautman, 1937.*28 specimens.220 FRANK J. SCHWARTZ Vol. 593 and 4) within the known variation of greeleyi (Hubbs and Trautman, 1937;Clay and Lachner 1944). Males generally had longer tails, snouts, oral disks,shorter gill lengths and wider bodies than females./. greeleyi was taken at both localities in streams with gentle gradients ofapproximately 50 to 75 ft in width. Where riffles occur the bottoms are com-posed of boulders, gravel and sand while interspaced pools have bottoms of shiftingsand. Rifffe boulders ranged in size from 6 to 24 in. in diameter and often 12 in.in thickness.Raney (1939b) observed and breeding of greeleyi in the Little NeshannockCreek, Pennsylvania, between May 19 and 26. He noted also that spawning wasmost intense at 3 PM and that it occurred on or at the crest of riffles. Trautman(1957) comments that spawning occurs about May 10 and 11. The spawningperiod of greeleyi in the Little Kanawha River occurred within the period notedabove. Spawning was most intense between 2 and 5 PM, but did not occur onor at the crest of rifflles; instead the middle and lower portions of the riffles wereutilized.An interesting point of association exists in that Ichthyomyzon greeleyi andLampetra aepyptera occur in the same stream systems. Both species were collectedtogether in Meathouse Fork, whereas in the Little Kanawha, these two speciesoccupy different parts of the same stream system. Hubbs and Trautman (1936:46) speculated that if these two species should be found in the same stream system,they would avoid each other, as both adults and ammocoetes of aepyptera wouldinhabit smaller brooks while greeleyi would occur in the larger creeks and smallerrivers. This situation was observed in the Little Kanawha River where aepypterais found in the smaller tributaries such as Sand Fork, one-fourth mi north of SandFork, West Virginia, and in the narrower portion of the Little Kanawha Riverdownstream from Falls Mills at Burnsville, West Virginia. The Little KanawhaRiver, at this point, is peculiar in that its middle section is a constricted, deep-pooled, high banked, slow meandering stream 20 to 50 ft wide, sporadically pos-sessing riffles. Above this area, as the stream flows out of the mountains, it is afast flowing shallow stream. Below the constricted area, beginning at Grants-ville, West Virginia, and for some 50 mi until its junction with the Ohio River atParkersburg, West Virginia, the meandering river is wide, slow and deep. It ispeculiar that /. greeleyi occupies the stream system above this constricted areawhere L. aepyptera has been found to occupy the constricted zone of the river.L. aepyptera is further isolated from greeleyi as it spawns at the crest of riffles andearlier, spawning April 3 to 6, 1958.ACKNOWLEDGMENTSAppreciation is extended R. Hawse and P. Zurbuch of the West Virginia Con-servation Commission who directed the Meathouse Fork specimen to my atten-tion; Dr. E. A. Lachner, Associate Curator Fishes, U. S. National Museum, foraid with the identification of this specimen and review of the manuscript; Mr.Don Oberacker, University of Maryland, for aid in seining.LITERATURE CITEDBlair, W. F., A. P. Blair, P. Brodkorb, F. R. Cagle and G. A. Moore. 1957. Vertebrates of theUnited States. McGraw Hill Co., N. Y. viii+819 pp, 416 fig.Clay, W. M. and E. A. Lachner. 1955. Occurrence of the Lamprey Ichthyomyzon greenleyiHubbs and Trautman in Kentucky. Trans. Kent. Acad. Sci. 16: 53-55.Hubbs, C. L. and M. B. Trautman. 1937. A revision of the lamprey genus Ichthyomyzon.Misc. Publ. Mus. Zool. Univ., Univ. Michigan. 35: 1-109.Raney, E. C. 1939a. The distribution of the fishes of the Ohio drainage basin of westernPennsylvania. Cornell Univ. Abstracts of Thesis (1938): 273-277, maps 1-122.. 1939b. The breeding habits of Ichthyomyzon greeleyi Hubbs and Trautman. Copeia2: 111-112.Trautman, M. B. 1957. The Fishes of Ohio, with illustrated keys. Ohio State UniversityPress, xvii+683 pp, 172 maps, 172 figs., 7 plates.

Records of the Allegheny Brook Lamprey Ichthyomyzon Greeleyi Hubbs and Trautman, from West Virginia, with Comments on its Occurrence with Lampetra Aeptypera (Abbott)

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Records of the Allegheny Brook Lamprey Ichthyomyzon Greeleyi Hubbs and Trautman, from West Virginia, with Comments on its Occurrence with Lampetra Aeptypera (Abbott)

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