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MAY'-14-9? DIED 1 ~ . 29 F I SHERI' ~ I~ I LDL I FE B 10 FAX hIG, 97Q99150~ I
<br />~,,;,
<br />~4+~a . ~~
<br />1
<br />VUI. ~'• ]ti10, 9 Duc:ember 19A2 MINCxr.F.Y, GUSTAF6ON~ RAxORaACK SUCIOtR I~~VfL[.pPMxNT SS7
<br />,V,y ~
<br />Met
<br />yle5
<br />U~
<br />. mil=
<br />L
<br />IC
<br />~l i1 R: C]Iprierr tR~
<br />cla., ni = dien-
<br />rJ, UC ~ optic
<br />pliric duels}
<br />tI to neural
<br />trszCt tined
<br />lcte; stnma-
<br />:nt.
<br />ho.trg, s.~
<br />nd posterior
<br />[rva~ yolk
<br />nasal p1a•
<br />rxightea.
<br />7 Iwurs. A.8
<br />From yolk.
<br />iul cavity;
<br />lying alwvc
<br />s arteriosfs;
<br />diurn dis-
<br />till} arches
<br />yak Urtsvvn
<br />ns. 1`olk rt:-
<br />axis. Blood
<br />arteriessus
<br />its ~ bract
<br />nd internal
<br />Y • caudal
<br />uterior car-
<br />~n cardinal
<br />veltrosus +
<br />r, some be-
<br />vents, 1217
<br />en appear.
<br />auditory
<br />~tomadeam
<br />clearly visible. Myotomes discernble Above
<br />yolk. F,rnbryoa flex aaee everl- 12 Go 13 heart
<br />beats.
<br />Sf.ttgt. 26: pecwral Boa bads, day B, If-.5
<br />hours, 7.3 mm. Rtulitrttsnts of pectoral fins
<br />protrude, slightly Ilattected dorso-verttrally.
<br />Dead eonlinuMg to extend outward from
<br />ya1k.
<br />1Prolarval Development
<br />Stage 27: batebfng, 131 hours, 7.3 mat
<br />(Fig. 4).1'ectvral fin buds patldlr, aitaped, Tail
<br />siraightcned ant} median fin fold develr>'ped
<br />anteriorly nn ckirsum. IIesd flexed 45 degrees
<br />relative to body axfs. Proctod~enm distsernible;
<br />rye pigrnmrt iacrea_sed, Embryos scarcely
<br />rnoiilo, Qexierg along bottom with na directed
<br />mavpnants.
<br />Stage 28: 1~$ hours, 7.5 arm. Four gill
<br />atrhe5 tdstblc; Ixntcl remains at 45 degree
<br />angle to body ttxls. Pectoral pin buds thin and
<br />broadly romtded; ventral fin fold appearing
<br />beltiud practrsdeum.
<br />Stage 29: ld4 bouua, 7.S mm. Lpwcr Jaw
<br />f'armccl, tmt yet reac>}ing kvel of eye; mautb
<br />ariface round. Iicad at>glo less than A5 de•
<br />green relative to body axis.
<br />stage 34: early prolarva, day 7, ]lit hottrR,
<br />8.0 mm (Fig, 5y. Head straig~ttened. Lower
<br />Jaw rieaclsing midlevel of eye, uat movable,
<br />Pectioral fin differecstialCd iota muscular lobe
<br />and membraaa, not movable. Ventral [in cold
<br />developed to most anterior extension, ercta
<br />brycmic fin membrane (continuous median
<br />iin) complete. Opercular membranes form-
<br />ing,, Qptic pigmentation brown, ggranular, al-
<br />mnst t:amplete; lw other melannl~6nres
<br />Stage 31; tnfddle prolarva, day 9, 83B
<br />9.Q mm. Rudimoalstry has bladder evi-
<br />dent. Lower )eew to ~lateriar border of eye,
<br />movable; mouth rontadcd attd terminal.
<br />f~perek covers antetzotmost gill. Pectoral fin
<br />Q.5 mm long, movable. Praclodt:uat yet
<br />F', t?5
<br />liR. a Em6rya of t~oe'hacl: rixel~er, Xy~m+cbea texnnur, at initial circulation of Mond; emisryu ~=Icatlcd and cho-
<br />ri0n net depittaL ~d as ir, Flpires ], awt19 when applicahk~, and AL"V m anrariw eardiaat VHin, ht = atrnua,
<br />t'~ : tiamlicl aRcry, Cl;V = rnmmrm rairliml vain (dun:t of Gvvier). Cr]Y = caadal vrin, Co = exmiea artrinrus,
<br />DA =dorsal artery. FF - M fold. My = inY~oatr.Cer. 1~lI' =nasal placode, p " luiiyll, PCv = gusteriur cardinal
<br />ve¢i,1'V = alone versosus, YA = vi6a]lioo artery, Vt = vcAtricla, and W r veRlra] vein.
<br />Fiiy e- Pml.>nwa ul rexahack sudeer, xyroadica kxanuq at hatclriag; legrnd as in FiKurar 1 1n 3 yr1-ea applival+k,
<br />grid A7 a sf;mentary lrat#. CFf =caudal 6n-told, flFl' = del fwzfold, tea r ~7l urohus, FG = Fae3esrdlal piv.
<br />ity, i't~lr = pectoral Ile-bud, ]'r = proabodainn. St = iitwnadeum. and V!'f = vrmral ((rnlald.
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