|
<br />:!l:i4' CALIl<'ORNIA FISH AND GAME
<br />
<br />I
<br />,-
<br />
<br />~ i il
<br />
<br />2lJ.' No uistinct rows of chromatopbores on meuial euges of nares. Jnter-
<br />nari~1 l'e!l'ion pigmenteu. Pigment line of horizontal 1~IY~lseptum not ex-
<br />tenutng far for\varu________________________________~------------- 8
<br />
<br />aa. 1\1outh almost \'ertical. Horizontal myoseptum l'igment line inuistinct.
<br />Lateral Iligment line formed of n lIand of wiuely scattered chroma-
<br />tophores, more distinct posteriorly_______________________M"'lu, j"loida
<br />(PI. lB, PI. 2B)
<br />
<br />31l. Mouth at most slightly olJlique. Horizontal myoseptum pigment line
<br />distinct. Laterlll pigment line not lIandlike, comprising few scattered
<br />chronlalophores --------_______________________________________ 4
<br />
<br />4a. A distinct,oml internal pigment spot at the hase of the UIl-
<br />tnrned clludal \'ertehrlle. (:See discussion of key)
<br />Gila ,-ob,uta and Ptychocheil", l"ciu.
<br />(PI. 1C, PI. 20)
<br />
<br />4b. No ~uch uisl.ind oval Hl'ot l'n's(.nL______._ .. _,______.__ __ __h ij
<br />;Ju. ~lulIY scallCl'eu dll'Ollllltophorell over !lide of Illllly II I II}\' 4' hori-
<br />zontal utYO!leptUID pigment line; those along dUl'lilll pigment
<br />line numerouli al\(l slllall. Snoat not IIlun1._______ ,,1'ill,.Ogll (Oobiti.
<br />(1'l,lD, PI. 2D)
<br />
<br />r.1J. OnlJ' a few scattered du'omatophores on Hide of body; those in
<br />dorsal view larger and fewer. Snout blunt and, in later smges,
<br />with maHll of pigment from eye to side of UPl'er lip
<br />111tinichthy. o,clilu.
<br />(PI. lE, PI. 2E)
<br />
<br />Ga. Top of houJ- co\-ered with a few giant chromatophores; those in hori-
<br />zontal mJ-oseptum forUl long ullshes 01' al'e long and stellate
<br />Xyrauchen teJ)anlU
<br />(PI. 3A, PI. 4A)
<br />
<br />Gb. Chromatophores notllbly smaller and more numerous; those in horizontal
<br />myos"ptum form short uashes or are rounu and stellate____"-_____________ 7
<br />
<br />ia. External chrolllatophores present below anterior part of horizontal
<br />lll~-OSel)tllln pi~ment line, extending downward over part of abdominal
<br />reg-ion. Edge of upper jaw and tip of lower jaw usually heaviI~' pig-
<br />mented. Many seatterI'd chromatophores in spaee on each side of nar-
<br />row posterior part of occipital pigmenL__________________Panto.tell8 8
<br />
<br />8a. "'ilIiams River drainage, western Arizona
<br />PantoRteus delphinu, and PantosteuR species
<br />(PI. 3B and C, PI. 4B and 0)
<br />
<br />811, Gila Ri\'er dl"llinage-_________________________________Panto'teus clarki
<br />(PI. 3D, PI. 4D)
<br />
<br />ib. No external chromatoJlhores below anterior part of horizontal myo-
<br />septum pigment line. l<Jdge of upper jaw and tip of lower jaw usually
<br />lightly pigmented (sometimes no pigment on tip of lower' jaw in
<br />earlier stag<,s). No chromatophores, or only a few in later stages, in
<br />space on each side of narrow posterior extension of occipital pigment
<br />Catostomu.
<br />
<br />Oa. Typica.lly with many chrolDlltoplwres 011 (~audal fin at all stages
<br />(rarely none or a few in earlier stages) ; usually more than four
<br />large ehromatollbores in midventral pigment line along isthmus , .
<br />llnterior to bases of pectoral fins_________________Catostomu' in.il1nil'
<br />(PI. 3E, PI. 4E)'
<br />
<br />9b. Typically lacking chromatophores on caudal fin (or a few in
<br />later stages); usually fewer tban four large chromatophores
<br />(often noqe) in the midventral pigment line along isthmus an- ,
<br />terior to bases of pt'ctoral fins-________________Catosto'"u,8 latipin,,",
<br />(PI. SF, PI. 4F)
<br />
<br />
<br />,;
<br />
<br />
<br />KATIVEPOSTLARVAL FISHES
<br />
<br />285
<br />
<br />Ji1EFERENCES
<br />
<br />Hnlinsk~-, B. I.
<br />1Ms. On the development of specific charactel's ill ('~'p.-inid lillhes. Zool. So('.
<br />London, Pl'OC., \-01. IUS, Pt. :!, p. :i3[,-344 , I:! figs.
<br />Vouglas, Philip A.
<br />1U::;:!. Nth
<br />o es on t e spawning of the humllback liucker, XUf'alldl/!I/ telunUII
<br />(Abbott). Calif. Fish an~ Gaml!, \'01. 38, no. 2, 1', 1411-1::;;;, 4ligll.
<br />Fish, :.\1urie Poland
<br />1U2911. Contributions to the eurly life bistories of Lake Bri Ii h ':\: y Co
<br />l!ept.,. lS~h Ann. HeI't., 1V'28, Suppl., p. ill.9ft, 17 fir/l~ s u. ~. . nli.
<br />1029b. ContrIbutIOns to the eurly life histories of Lake Erie tishl'H. Buffalo 8
<br />lOO2. NaL ~Cl, ~lull., vol. 14, no.' 3, p. 13G-lI;7, ii3 fil:'H. . . ,L DC.
<br />Contrll:uhons to, the t'arlylife hislorit.s of sixty-two Sllt'l'il''' of fishes from
<br />Lake hrle und Its tl'llmtl\ry waters. C. ::;, Hur. PiHh, Bull \'01 4~
<br />10, p. 293-3lJ8, 144 figli. " ., . I, no.
<br />FlIl'I'ster, n. Fl" aUlI A. L. l'dtdllll'd
<br />11J8G. 'l'he itltlntiliclltioll uf the ;voullg of till' fin SIlt>('IP" of 1'IIcilic snhnou \\'ith
<br />~l.'tt'1I on the f",~'sh-\\'nt~r phusp of tlll'ir lif<,-hiHlor~'. Brit. Columb. Coftlm.
<br />, 1 Ish., nellt. Hm4, p. KIOll-K1l1l, 1 fig., 1 I,ll. (I'l'l'riuletl, 1044).
<br />l'I'~', Douald Ii., Jr. "
<br />llJ36. Life hilitor~' of Ih'8PCfOlwICIi. Veflll8tus Sn~'(It'r. ('o)if. Fish, and Gllme,
<br />vol. 22, no, 2, II. Gr.-98, 0 figs.
<br />Huhhs, Carl L,
<br />11143. Terminology of cllrly stllgt's of fisllt's. Copeia no 4 p <)6()
<br />1U53. Eleotri8 pieta lidded to the ti"h faunll of Cnlifor~ia' c~iif P' h lIud Game,
<br />vol. 30, no. 1, IJ. 6lJ-7G, 1 fig. ' , . III
<br />Kopec, John A.
<br />
<br />1949. Ecolo~~', brpc,lin/: hullits an<1 ~'oung SInges of C"e"idlthIl8 bai/elli, a cJ-prin-
<br />odont fish of Ne\'ad:l. ('olleip, no. 1, p, ;;G-61, 2 figs.
<br />Oppenheimer, J, l\-1, .
<br />1937. The normal stllR'es of P">lIlulu, liefe,'oclifll8 :\nl\t R
<br />p. 1-15. ' , . - . e<'., ,.<,11. 68, no. I,
<br />
<br />Ol'lon, Grace L.
<br />1953. The SJ'stematics of \'ertehrnte 11I1'\'ae 8,-st Z~,l
<br />10 figs. '. . ' ~,., \'01. 2, no. 2, p. 63-75,
<br />
<br />Rtewart, Norman Hamilton
<br />11126. Developme~.t, l(~owth, anll f')o<l IlUhils of the white suckt'r. Cato.tomu8
<br />. _ Comlller'onu LeSueur. lJ. S. BUr, Fish., Bnll., \'(,1. 42. p. 147-184 55 figs.
<br />" "Isel, George F" and H. "'illiam Newman '
<br />10;;1. Breeding habits, de\'elol,ment. and 0.'11'1\' ll'fe I' f
<br />' lI"lor~' ()' Ri('lIaTlI8o~;1I8 bal-
<br />teat"., a norlhwel>leru minnow. COlleiil, nu. a, fl. lk7-1!I4, 8 figs.
<br />
|