|
<br />~(,
<br />
<br />TilE \\".\S:'II:\:'\:'\ JOl'R:'\.\1. OF BIOI.OGY, \'ur.. .\~. :'\... I,
<br />
<br />;'1
<br />
<br />in the lall'ral ~erie~ (77''r han' fC\I"cr thall 75), \l"herea~. SO'; .11
<br />tll(' 670 ~pecim('ns of G, rohus/a (both subspecies) hav(' SO or 11',."
<br />lateral line scales, and C)({; han' mort' than 7 S. Strnngly-inscr, ,I
<br />basal radii \\"('n' present in 63'.: of about 70 G. ill/erlllcr/ia 1
<br />throu.~houl its ran.!!c, hut basal radii were present in only I-I
<br />oi J.) 7 spc'rillH'lh IIi G, rall/o/a, and llwn were only weakly
<br />\'c.lllllt'd. Dorsal iin-rays in G. ill/t'/"l/!l"Ilia \l"ere 7 or S in C).j
<br />the sperinH'ns l'xamined, and wc're 9 or mOrt' in ~'-'~; oi tIll'
<br />rol1l1s/a. ;\umhl'rs ni anal iin-rays are It,ss reliahh- inr Sl'par:11" ~
<br />the Sllt'cic',; hl'(";tll'" IIi the hi!!h incidl'nce IIi S rays in C', r. grill.';, .
<br />indi\'idu;ds (ahlllll SO';): liS'; oi till' (;. il///fl/fulia exalllill'..!
<br />had 7 ur S anal fin-r:lYs anrl IInly 1 ;'; IIi till' (;. r. /"/Ihm/a slwcll: ,"_
<br />had S or ic'\\"('r. I,<.h-ic iin-rays art. :dlllll.';[ alway.; () in thi., .'
<br />spl'cil's IIi (;. rahu\/a (!!reater than ()S'; ). and :Ire S or I) in
<br />ill/r/"llll'fliil (ahllut ,:;0:.:;0). I.ength IIi IW;td depth IIi caudal i',-
<br />dlll\('II' i.s 11101'1' Ih:1Il .1.0 ill S7': oi (;. mlillslll. and bdm\. .),(1 ill
<br />SY; oi (,'. ill/I'/"IlIrdill. (;ila r. roli/ola is more distinct (grl'atl'r
<br />Ihan I),:;'; above .LO) irom (;. ill//TIII/'dill than is (,'. r, grallt!llli
<br />t 77'; IHurt. t h.1ll ,;.0 \.
<br />Brl'edin.!! color;ltion oi spl'ciml'ns of (;. ill/rrllll'flia from :\Ionl."
<br />Sprin!!s has hel'n recorded hy :\linckll'Y ()I)(,I)): "TIll' axial ;11101
<br />in!!uinal rc.!!ions h,'cllll1" d,'"p or;lI1!!c'-rl'd, which Illay dl'vl'lop 11Ir-
<br />tlwr inlo a broken. IIr:1l1g('-I'l.d hand .dong thl' 111\\'('1" sid,.s :Ind
<br />randal p,'dunl'll'. and ,'\ll'nd iorw:\I'(1 III include Ihl' IJranchille,.;!t'c':d
<br />ray,.; and chl','k,.;. Tlw l'yes oi 111 a II's b,'con\(' ydlll\\" to YI'11,,',-
<br />t1ran~t' and II1\' body is l,llie-black dtlrsalh'. (-'in.; oi .SOIllI' il1c:i-
<br />\'idu:i1-, I'spl'cial1y thl' Iargl'r 0111'''; 1ll:IY Ill' wa,.;hl'd wilh !t'IllC'I1-
<br />yc.l1o\\.... Brn.difl!! ("lIIIIL, in (;. ill/t'/"lIIn/ia rt'CIIl'lkd hy Il1y,.;("li Ir./:1!
<br />SPI'Cilll"lb irlllll till' ~an {'adll.s Rin'r '\'l'I"t' silllilar,
<br />
<br />Gilll gi/>/I/)'" \I \11<1> ;"HI I; IInHI>. I K.q:! ,.; (oric:iI>;t1 d,',nipI ion, .. Rio ~;" I
<br />('ru/. .\ ri/ona "1.
<br />Fi l.!. I 1111 f' illlo'HI,'dill (;II:_\ldl, 1.''':;(,".'011 I (Iri !..:illa I (k..(r1l1lil)II, "I~io ~.ll; I'l
<br />01 Ih,. l;ib 1.\rilOn:"").
<br />1"i~""II/ ~i"',,,,,/, .I;IH\I<I>. I,.;.;(.:!O;. t.';,;'l.{}~ (,hMan,'r-, li.~un',); J"I<I>\"
<br />III.. I'HO:II'J ,"Rio I;ib, :\rizon,,"l.
<br />(;il" Ilic.ra ('oPt', in CIIPt-. ;11111 Y.\IWlI\\", 1.....;t1:(I().\ (oricin;t1 dl':--c"ipliolJ. ..'
<br />e....,.\;. :\ritnna." anti h~"n (';,rln.<, :\d/lln,,").
<br />SI/II,,/ill' illl"'IIII'I/illl Jlll'I>\" and 1;11 III.Hl. I,.;S,;: !.;S (li-lI'd),
<br />Sqllll/i'H lIiga J"HI>.\" "ntl (;11.1:1 I<T, ISS.;:!.IS <Iist,.d),
<br />
<br />CYI'R 1:'\ II) FISII ES-I( 1:'\.'\ E
<br />
<br />X7
<br />
<br />~(';qllillill:i IClIIlII/llli S.\11l11. 1."';.,",-1: 111 COl'i,L:illal dl':-orriptioll, "I{illito Crl'l'k. Ilt..'ar
<br />Turson. :\rilon,,").
<br />LOldlrlll illl""III,'dill' Enl<\I.\"" and RI'TII.H, IS')S:~S~ {"Rio San ["'dro,
<br />Iri"ur:"y III l~ill I;il:l",. t;II.1l1.1<1 and S""I"II./.I>, 1.,'1,0.; -1')';._11.1 (in part;
<br />chararl\'l"-, ,yno"YIll)., "T,'mp,' and Chino. .\rizona"); :'Ilu.", l'JO~:Sl> (fhar-
<br />aCf("rs, :-,ynollynl~').
<br />l.t'ucl'(rf.\ H;gf'r, JII~I\\~ :lIH{ E\'I,H\1.\:'\X, 1:-:'9h:!.~~ fUHio CiLl." characters.
<br />!"~'nOIl.\'rH\ I.
<br />Ri(/lIll'l!HI"i,p gihIJo\u,'. ~:\'\"IJII{. 11')S:5SI.S.! (in p:ll'l; rll;tr;Il:I"rs. ~ynonYI\lY.
<br />"Rill S;IIlLI Cruz"),
<br />Gill/ ".1.",111 illll'l'l/I<'1lill. :'1111.11 I'. 1').1.,: IO,';-O'J (fompari,,"n,). I'H(.h:~H
<br />(rll;lrarl,'r-). I'JI,I":';;;..;'I IlIa"ital. r:ln<:,.. ""('OI)'PY"): 1..\ RI\T.Hs, 1'J{I.\:
<br />;'l! (romp,lri'on-l. :'1111 1 ", ;IIHI 1."\1"1. 1'1".1: IIG. I'JI,;: 1.10 (lI;d,il:lI, r:lllc:d:
<br />l'n"" :lnd :'1111.1.11'_ 1,,1.':.;'1 Iromp:\l"i"",,); B.\Hm:H ancl :'It 1 "l"I; U:\' , l<JI/l>:
<br />.11;-1'1 'flIlllP,lIi,,,,,,): .\11"""11'. :lnd .\I./'I.H. 1'/l>S:'J.1 (colllp:lri"ons); COli:.
<br />1<)cl~:-t;1 ~2 Ih:\llit:tt. fi:":'llrlO),
<br />(;il,/ il/fl'rlllO'dill, .\1'''''''1.1 \ :lnd 1>1 \l'O". l'JbS; 1~2i ,Iisll'd); ST'Il"T t"/ Ill..
<br />l'JiO: 10') 1,'c"I,,~\.); I~I""E :lnd :'111"""1 E\'. PliO: U.lb.IS 'r:lnc:,'. fic:url'.
<br />t:roll)~:'). .\1 L'\'!' " I I,\,. )ll71:1.";'':; Ik,'~'). \11'C"hl.l'S. 1()7..i:IO.' (:-&~'noI\YIl)Y.
<br />..h;lrarll'r-. ..rolo~y); 1(,,,,,,:. IC)i.': 1.%.1<)'; (l"(()lo~)'. dislrihution),
<br />
<br />The na me .. Cila gi hI" lsa" has oll\'iolls priori ty for this fi,.;h, hut
<br />is una\'ailahll' since it wa,.; synonymized with l.o/cisclIs /lit.;/'f (('ope I
<br />hy Jordan and E\"('rlllann (J SI)(j). The nallle "gihhoslIs' was
<br />twice preoccupi,'d in l.I"ut"iJoIJ. and _\nicle 51) of the International
<br />Code oi Zoological ;\ollH'nclature (1961) diclates continu(:d sup-
<br />pression oi a naillI' th:1l wa.' onCl' a honlllnym. e\','n if thl' llOnHlIlYlllY
<br />is incorrect. TIll' next ;1\';lil:t1Jll' naillI', Tigollfa ill/,-rlllrr/ill. is tlll're-
<br />fore applied.
<br />
<br />Gila rohusta Baird ;Ind 1 ;iranl. {'oJorado River chllh,
<br />
<br />Thi~ specie~ is presently till' IllOSt \\'iddy distributed in tl1P
<br />ClIllIraclo Rin'r ba~in \\'hl'n' il i,.; fl'pr,'s('nll'd by iOllr forms: G. f.
<br />rolll/(/a, .lJlI~~'II~hllllt th,. il:~".i.~I_.illJhl'lar~erstream,.;: G. r. gra!rallli,
<br />(;ila Ri\'er-ha,.;Ttl(lF~, ~i':l: G. r. mllillll~j(i({'I;I;l')' Yirgin Ri\'l'l" ,
<br />and G. r. jon/alii, the I'lu\'i:d \\'hite River, ;\('\'ada. Gila r. gra-
<br />!rallli i., rl':'trit"tl.d tll Ihl' ",'rdc' Ri\'("J' tril,utarie,.;, upper Cil:t Ri\'et".
<br />and ..'r;l\'ail';l {'r",'I;, ReclIrds oi (;. gralwlJ/i frol11 t'tah \ E\"erlllann
<br />and Rutter. IS<.lS) \\,('1'1' I';I.-I.d on Illisidentifications oi G. r. ro/Jwla,
<br />Gila r. ra/Jus/a inh:t1lits .thc' \'erd,' Rin'r lllainstrl':11ll and the Salt
<br />){i\"('.r systelll al,u\'t, ROllsl,,',.11 I );1111. Inl('rgradin~ Jlopulations Sl'el11
<br />prl'sl'nt in 10\\,('1' \\'l't 11t':I\','r ('1'1'1'1;, Tonto Creek. SaIL and IIpJll'r
<br />(;ila rivers, and possihly ill the Bill \\'illiallls River (fig. SA).
<br />
|