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<br />Table 1. A summary of fish species collected from (A) Lower Green River Cataract <br />Canyon. and Upper Lake Powell. and (B) Cataract Canyon proper during the <br />6 sample trips. <br /> <br />Common and Scientific Name <br />(Name code) <br /> <br />Bb <br />No . Pe r . <br /> <br />Aa <br />No. Per. <br /> <br />Family: Catostomidae (suckers) <br />BH bluehead sucker (Catostomus discobolus) <br />AM flannelmouth sucker (Catostomus latipinnis) <br /> <br />Family: Centrarchidae (sunfishes) <br />BC black crappie (pomoxis nigromaculatus) <br />LG largemouth bass (Micropterus salmoides) <br /> <br />Family: Clupeidae (herrings) <br />TS threadfin shad (Dorosoma petenense) <br /> <br />Family: Cyprinidae (minnows) <br />BT bony tail {Gila elegans)-suspected <br />CS Colorado squawfish (Ptychocheilus lucius) <br />CP common carp (CYtrinus carplo) ------ <br />FH fathead minnow Plmephales promelas) <br />HB humpback chub (Gila cypha) <br />RT roundtail chub TGTTa robusta) <br />RS red shiner (Notro-TS lutrensis) <br />SS sand shiner Notropis stramineus) <br />SO speckled dace (Rhlnichthys osculus) <br />CH unidentified chub (Gila complex) <br />UM unidentified minnow---- <br /> <br />Family: Cypr1nodont1dae (kiI11f1shes) <br />PK plains killifish (Fundulus zebrinus) <br /> <br />Family: Esocidae (pikes) <br />NP northern pike (Esox lucius) <br /> <br />Family: Ictaluridae (catfishes. bullheads) <br />BB black bullhead (Ictalurus melas) <br />CC channel catfish (Ictalurus-punctatus) <br /> <br />Family: Percidae (perches) <br />WE walleye (Stizostedion vitreum) <br /> <br />Family: Poeciliidae (livebearers) <br />GA mosquitofish (Gambusia affinis) <br /> <br />Family: Salmonidae (trouts. salmon) <br />KS kokanee (sockeye) salmon (Oncorhynchus ~) <br /> <br />Famil y: Serrani dae (sea basses) <br />SB striped bass (~saxatilis) <br /> <br />dLower 41.8 mlles of the Green Rlver and the <br />b216.5) down to Upper Lake Powell. RM 196. <br />RM 216.5 - 202.0. <br /> <br />36 0.14 <br />241 0.92 <br />1 0.01 <br />16 0.06 <br />108 0.41 <br />2 0.01 <br />517 1.97 <br />2.965 11.26 <br />525 1.99 <br />11 0.04 <br />60 0.23 <br />15.198 57.73 <br />1.002 3.81 <br />I 75 0.29 <br />11 0.04 <br />5 0.02 <br />4 0.01 <br />1 0.01 <br />7 0.03 <br />5.401 20.52 <br /> <br />29 <br /> <br />0.11 <br /> <br />18 0.31 <br />193 3. 36 <br /> <br />12 0.21 <br /> <br />1 0.02 <br />163 2.84 <br />1,145 19,94 <br />364 6.34 <br />9 0.16 <br />60 1.05 <br />2.160 37.61 <br />400 6.97 <br />63 1.10 <br />10 0.17 <br />5 0.09 <br />2 0.04 <br /> <br />7 0.12 <br />1.103 19. 21 <br /> <br />27 0.47 <br /> <br />Colorado Rlver from the Confluences (RM <br /> <br />5 <br /> <br />28 <br /> <br />0.11 <br /> <br />1 <br /> <br />0.01 <br /> <br />81 0.31 <br /> <br />.' <br />