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-36- <br />In Lake Mohave, large populations of bonytails were observed spawning <br />on a gravelly shelf during i~~ay. It appeared that each female had 3 to 5 <br />kale escorts. The eggs were broadcasted over gravel. A vol~?metric count <br />of the eggs taken from a 12 inch female revealed about 10,000 ripe eggs. <br />The bonytails found in the spawning area had bright reddish sides and <br />bellies. This color is not seen on the bonytails at other times of the <br />year. Bonytails in Lake Mohave are found widely scattered throughout. <br />the lake, but are less abundant thin the hu-npback sucker (Jonez and <br />.;~.::er ,. 1954) <br />Carp Cyprinus carpio Linnaeus <br />The carp constituted 1.1 percent of all fish collected from the im- <br />roundment area. Numerous carp were observed in the Flaming Gorge <br />°eeding close to shore, but few were collected because of the difficulty <br />.'1 sa_::p>sng the de°p, ra p~dlvr m()yi no Mars. Thirty-one fingerlings were <br />collected from~the Wyoming segment of the impoundment area, but it is <br />assured by finding these fingerlings that adults are present. Carp are <br />reDOrted on headwaters of the Green Fiver rear po,.:lder, Wyoming by per- <br />sonnel of the Wyoming Game and Fish Commission. The largest carp was <br />collected in the Red Canyon area. It had a total length of 20.7 inches <br />and weighed 4.4 pounds . <br />Carp are found to be the most abundant species of fish in Lake Mead. <br />:though, fluctuating waters aids in controlling their population. <br />'3~head minnow Pimephales promelas Rafinesque <br />The fathead :Winnow is undoubtedly a new species for the Green River, <br />°s records do not list it in this particular drainage. It was found while <br />Investigating the Green River and tributary streams during the summer of <br />'y5°• Twenty-one fatheads were collected at the mouth of Currant Creek <br />_n a partially isolated pond, while a single speciman was taken in the <br />sr,zllow waters of the Green River. These 22 fish had a length range of <br />I.5 to 2.4 inches with a mean of 1.8 inches. <br />'i'he fathead thrives well in murky waters and can easily be propagated <br />'n culture ponds. It is used almost exclusively in several of the mid- <br />rrpstern state fish hatcheries as a forage fish for game fish culture. <br />"is:~~ow does not ordinarily live longer than 2 years; Spawning occurs <br />`r"0ughout a major part of the summer season (Ward, 1959- The eggs are <br />"'d in shallow water on the underside of rocks and large roots. However, <br />~`°- °athead will spawn in deeper water if preferred locations are not <br />.•os°-nt• After spawning activity, the males begin to die and will continue <br />~v d1e throughout the simimer ( Prather, 1954) . <br />