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Last modified
7/14/2009 5:01:47 PM
Creation date
5/22/2009 6:24:28 PM
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UCREFRP
UCREFRP Catalog Number
8203
Author
Minckley, W. L. and E. S. Gustafson.
Title
Early Development of the Razorback Sucker, Xyrauchen Texanus.
USFW Year
n.d.
USFW - Doc Type
Tempe, Arizona.
Copyright Material
YES
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MHY-14-97 WEG 1~~31 <br />., ~ <br />.~. <br />'' C <br />P <br />~'. i rJSS <br />. ~ <br />I <br />i ~ <br />i, <br />,'•' <br />i~ <br />'t <br />ti <br />~~ f <br />r, <br />~, i <br />Y. F <br />a ~ <br />~~ i <br />;; <br />ti k <br />.~ <br />a <br /> <br />~~ ~ <br />r <br />4r <br />'r <br /> <br />F~ I SHERY D W I LDL ] FE. D I O r r~~ NG. 970491509 f <br />CiBE'.A'r ~J-3L10 ~hTUR~-U~' <br />VoI.42, Na. 4 <br />~t1 PFms F <br />~~ <br />Pr PFmbr EAh $t <br />vFt t~mm~ <br />Fig. 5. Fatly proffirra of rasotback euclxr. Xyrauc7rra laxwaus: legrnd us io Finterex I to ~ wlmn appllcahte, am! <br />Eph = csonlaagus. ~ = rrperc,~alar Bap, Ifrabr = pastoral lin rr>Caduan~ aatl PFms = peclPr~1 11„ musculzrure <br />claxd, yolk ntuC{t rescued. Eye pigmentation <br />completed, foaming bl~. llrown, ateltate <br />melamopLores an eetoclernt ovorlying mid <br />and luruiltrdia, argl ost paired dorsat pigment <br />lire. pait~ dorsoxisccrat pigment line (up- <br />per body cavity and unpaired rscidvcm.tral <br />pint line. No melanophores ost hori~wntal <br />myos~epluftt. Ltrvac swim to surface and feed <br />on ground aquarium fiahfood (Tetratnia~. <br />Resting heart rate IQA beats per miuutn. <br />Stage 32: Sate psvSarva, day 18, 263 hoary, <br />9.0 mm (F'ig. S). Liver ~c~ir~ miel++~trctl. <br />line; yolk largely assSlmitakal. Pectaa2l Etas <br />o.s mm lung, no fin rays in arty fut. Pigmen- <br />tation irxxeasir~ on dorsal. dotso-vis~erxal, <br />and mirlvesutral mss: melauophare~s on iaber- <br />al pig-nent time, operete, and at poctoral fm <br />base. <br />Pctstlarva! flev~elopmeat <br />5hsgos 33 and 34: awimilatian of yallt, day <br />1S. 3i1 Marta, I0~.0 nut. Yolk aesitniluted. <br />proctodeum open to harm anus. Operelcs <br />cover twn anteriarmaat mss. Otoliths present <br />in audttory vedrles. Pecbiuat firs with 3 rays; <br />caudal fin with 3 or 4 rays; uo trace of do»~1 <br />oz anal fins. Spleon forming posaerior to fiver. <br />Posterior end of notochord (urnstyle) up- <br />alrved. Pigmentation incrrsscel ou all aspects <br />eaeept lateral pigtnecst lisce: ~nelaccophoras <br />appcarIrtg on gate bladder. <br />Stage 35: early pastlarva, clay I7, 930 <br />boars. 12.6 mm. Caud5cl tln-rays lnereasecl p~ <br />7 to 9. Oporclcs cover is. Median fin fold <br />thickened and expanded at sites of asral and <br />dorsal fins. Food materials in stamac:h; fexxs <br />pessing tlerougl! mtaatine. All pigneatrtia, <br />etocepting lateral pigatent line inteas3~d. <br />5tagv 36: dorsal arts anal [in-ray rudi- <br />ments, clay 9Q f~D hours, I s.5 nun (Fig, '1?. <br />F~in.ray sudicnclctts in dorsal and ar-a! fin; <br />caudal fin with Eull compktneat of oasiFind <br />cat's. Cos l~dcler cnastr'scting into two cSwrn- <br />bers. lt9elaaaphorea appearing on pa~rior <br />part of lateral pigment line. <br />Stags 37: midctlc postlar'va, day 98, lld2 <br />hours; 20A yarn. Bays of dorsal and anal fins <br />partially ossif[al; pelvic trt$ rudimentary as <br />gatherings of mesen~cysrce; caudal fla becato- <br />ing emar~nate. Gas blaclrler twa chambered. <br />Urofenltat papilla app~aront Mouth terminal; <br />P. 06 <br />Docembor l <br />CFr <br />IHg. 7. 1'us!! <br />urc~ 1 la B wL <br />i)PL = dors~! <br />e a~lra) P~bw <br />lips fiorened, <br />lower lips. <br />body; ossific <br />math; lar+~a <br />~Y~~ <br />Stage 38. <br />1500 hours. <br />forn- of sma <br />Stage 39. <br />hours 235 <br />this mrmlu <br />s e 9u <br />163exu~s, <br />ingt-ts withi <br />able. Ikaac <br />pasaspifiecl Mt <br />Stp~e <br />70, 1fi6D h <br />sillCd in Pc <br />persisting v <br />grectily red <br />rated from . <br />_ - .~ <br />- <br />Fig. B. Lot <br />Ptp ~ r~cat A <br />1 <br />.;. <br />Fg ti, [tee p,~,lorra of a$aettack aackor, xymncFie>r xs=anur, Imgaacl as In Figures 1 to S wLe„ applic~l~le, and <br />CH = gas tiler, L ~ fiver, M ~ mmuth, Mp ~ melannpt~eres, and PF = pGdorai $u. <br />
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