XX 
o6ni,ie o6.iacTHMB na.ieapKTnqecKoii h HeoapKTnqecKOH, to 
iieaBsa H 3 B aToro 3 aKJiKmTL, hto6bi MaTepnKH, Bxoflamie bb 
cocxaB'B othx'b od.iacTeft, 6bi.ih HbKor,a;a CBH 3 aHBi Meat^y co- 
6010 npoMe^yToqHLiMH 3eMaHMH, a c.i'bjijeTB ^onycTHTB, qTO 
coBepmH.iocL nepeMbmeme TaKHXB pbi6b cb o,a;Horo MaTe- 
pnKa Ha APyron nonepeKB pasflbjiaiomHXB hxb Mopeii, nan- 
BbpoaTHbe npn homohi,h n.iaByqnxB .ib^hh'l, a MoateTB 6bitb 
h npn nocpe.ncTB'fc orpoMHHXB CTan BO,ii,aHBixB hthpb, nocb- 
maiomHXB 9th GTpaHBi. Ho ct» TaKHMB npe,a;no.iojKeHieMB a 
HHKaKT» ho Mory cornacHTBca, a ocTaiocB npn ydbatflemn (bbi- 
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xoat^eme o;ihhxb h t^xb ®e, hjih qpe 3 BBiqaimo 6.ih3khxb 
MeiK^y C06010 BH^OBB HpbCHOBO^HBIXB pBl6B, H 3 B pOflOBB 
Perea, Lucioperca, Lota, Leuciscus, Abramis, Esox, Umbra, 
Scaphirhynchus, cb o^hoh ctopohbi bb BOCToqHOfr qacTH Cb- 
BepHOH AMepHKH, a CB .HpyrOH CTOpOHEI BB EBpOn'b H BB 
. CMeatHBixB cb Heio qacTaxB A3in, cayatHTB necoMHbHHBiMB 
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anoxy, h flame He oqeHB OTflaaeHHyio, cbBepHBia qacTH Ora- 
paro CB^Ta h HoBaro CBbi’a cocTaB.qa.uH oahhb, bb H3BbcT- 
hoh cTenenn Hepa3pBIBHBIH MaTepnKB. 
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KaitB KaateTca, npHancaaeTB TaKme coaoHOBaTOBOflHBixB, pa3- 
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flb.ieHm hxb. CoaoHOBaTOBOflHBia pbi6bi, KOHeqHO, bb 3iiaqH- 
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bb apa.qo-KacnincKO-noHTiHCKOH HXTioaornqecKOH ob.iacTH, ho 
Pbi6bi paBHOBO^HBia h ocobeHHO npoxoflHBia boahtch bo BcbxB 
odaacTaxB h nenpeMbHHO flOJimHBi 6bitb OTanqaeMBi otb Ha- 
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rfla p'fcqB BefleTca 0 BonpocaxB sooreorpaijmqecKHXB. 
