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• _ '- 68 pax-titular spot. At the proper time <~ ,and as it a signal xas passed, a coxa- wive movement spontaneously erupted throughout the formation. T~ went resembled the effecta of a mild electric shock, and xas a series „~ ~ rapid auc.:+assive aidevard undulations, ' aau~lY van aPPj'~dmately 1/2 minute. The duration of these convul,siona actrusion of eggs azy3 milt, x~ co~nateTthis time the spawning act, pry iD a leas cotLfini b formation. The to ~ ~'t then npr~~ moved - spaeared to~ be initiated by the female sucker nation of the spawning act alts No attempt vas made to ~ pest site. In a number of instances the same female sucker was obse Bvax~d the sate this action several times dux-ing an ho ~d to Gon- ~" Frith the same and/or other asale suckers i.tx atte~ance. This xas accomplished - , -Daring the period of spawning, marry schools of suckers were seen sYS.xmfng about suitable spawning areas. several hundred individuals It was not uaecaamon to observe i.tian area o grouped i.n tight formations or loose schools my several hundred feet square, ~® le Varied from 12 inches to over 21~ inches, ~h of the suckers .Tbe success of t bees spawning acti-vitiea by suckers vas n ~~• ~'~ groups of carp were seen to follow the s of deter- upoa .the; dep~.rture ~ t ~ suckers from the site of dep sit a~ sthey~~nyHr Qd a+$r_ the location- anti began to feed voracious g tnChea-,_ were` ,ever seen in Iaka head.. ~,y No Young suc~CSrs, uod®r 12 RL-t~ almost 20 Hoxever the presence of so mar~r adults _ y_eax•s of lake e~rorvZeat~stror~],y suggests recruitment through natural re~ro3uction: . -~_ -° ~ = = 'T~ _-~pback ~ sucker xas found ~~~~`~- _Tb~ effecta of the tO be of no significance to the sport- d~ ~~ _a '. . - - - _ presence of this fish upon g~ fishes present _ ~~az' detrimental, e~.R e= E~rirnas _ car~io -Linea) ~ . ~~~ - _ The introduction of carp into Nevada - ~'~~~ ~ Alcora~ lgl~3). wag accomplished by 1$81, der-dram a ~_ This fish xas present throughout the lower Colorado g _ i_ or_ to_ the formation of Lake read. jro records of intentional a~~g of carp into Lake 3zead have oc~l ~~~ released in th,e lake b been located. Probabl,Y Young carp were A_~_ '-°~ ~ mod- "leather^_ _ Y anglers wno used thexa a.s - _ _ - - - _ - varieties of carp were commo ~°e b~t• The _ _ - ` `~= ~= - = - ~- - ~ n7,Y found about the lak --~- - e, - '" xere found to be the mast widespread species of fish _~ '_ ~o~bErs of carp were located throQ o in Ia]ce ~ -- t _ all of ~he_ littoral rz ~ • - ~ ut the pelagic, open sections of the ~loK -75 feet des ~ oion, within the rivers, and from the surface p• ' -The 1ax'gest concentrations append to b e within 25 _of the eurface,'__ ~?° period during which czr h°•"ewer ri~~ moults were found atsoawned was primarily between i:arch and ~- areas .as all tires of the -~~ -0aserve not COT:pletely determ fined. !~o ne mar. The location of d. rar~yr youth; carp, 1 to sts or spawning attempts ~ the rifer mouth areas, which stronol inches in Iength~ were seen congregated sPawrting a= ens. D Y su A ggest„d this type of habitat as ~'~-zry food of carp was algae, and other sources of food war blankton, fish e~$9~ end organic rubble. e