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<br />-'s~and crappie was also made Dear Needles in 1939 by Cali-
<br />eJu~ve been a few plants of bluegills in waters not
<br />Wit,h the river. - .. , "
<br />:'fjf course, present before these recent plants; the abun--
<br />ills and crappies before 1938 is unknown. Such additions
<br />'w increase or hasten the spread of these species,but,
<br />-''':'I:t~e~ of the water areas, must be consideredl11ther
<br />
<br />'1in~,seen why any further stocking is at all necessary in the
<br />C~1.'here is an abundant population of largemouth bass and
<br />J:6Sh;themajor game fish, Minor game fish (or pan fish) are
<br />"'byth~ numerous bluegil1s, and to a lesser extent by the green
<br />''PIB.Ck anQ white crappies; there are also several sp~cies_Qf__,
<br />,.'-:.~A,"-I~i14ruS Ho:provide.-iishi!ig~r~porl or food as weU-----
<br />lish~ The author believes that the first three species are .
<br />,~hose welfare should be furthered to any extent. The green
<br />,~eaeompetitor of the bass while offering but few com- '
<br />'1es:: .Although the crappies are not yet common, several
<br />J:atedthat they are severe c6mpetitors of bass, and their
<br />'yeto},-e undesirable. The bullheads are not very popular
<br />::n~~;arid there is no obvious biological reason to augment
<br />' ,: /~iermim are often desirous of having a great variety of
<br />JiIeathat this will increase their total catch and "spice"
<br />,.!!~latter premise may be granted. But, in general, the
<br />':.of:fishes present, the more complex are their inter-
<br />~,<<rthegreater the chanee of a poor fishery.
<br />rl~ttle evidence to suggest that continued stocking of
<br />"~.in large bodies of water suitable for their natural
<br />'l1Qsustenance is of value. On the other hand, there is a
<br />"'uiating store of information which indicates strongly
<br />~"gisu:seless or at least inadvisable once a population has
<br />, :ecr:>:Thefecundity of these fish is high and under the
<br />,.,,~tions.and with suitable restrictions on catch we should
<br />"fp l'eproduce just as fast, or faster, than they can be caught,
<br />.,!ora:do is now well supplied with desirable game fishes, why
<br />:L::El"enif their population should show a decline, it is probable
<br />llit:itio;n in ways other than by stocking would produee better
<br />:near-by waters (unconnected) are found which are suitable
<br />d~clcing or deficient in them, these can, of course, be planted.
<br />t9tKing of forage fish (minnows) has been suggested by a few
<br />.i!f:~'Yeyer, there is no evidence to show that the present population
<br />':P.~1I11ack of food, and the addition of other exotic species to
<br />=;.<~assemblage might prove harmful.
<br />
<br />Regulations
<br />
<br />)~wer Colorado forms the boundary line between Arizona
<br />. each State is in part responsible for its management, and
<br />the regulations of the two States for this area is desirable.
<br />.p:t'~the Arizona Commission to modify its general State laws
<br />;,,,~, compatible with those of California. It is also possible~
<br />~~,'--'<:
<br />:billtitheJle were all black crappie.
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