163 



in length (one specimen); pneumatic duct connecting with anterior portion of the poster- 

 ior chamber. Peritoneum silver in color. 



Tuberculation - No data about tuberculation of this species was available at the pre- 

 sent. 



Coloration - One lateral stripe present at middle of the sides of the body, extending 

 from upper end of gill cleft to caudal fin base; stripe faint anteriorly. Melanophores pre- 

 sent on whole body except breast and isthmus, though lighter at ventral portion than at 

 dorsal portion of trunk. Numerous dark speckles (smaller than pupil in diameter) present 

 dorsally on the sides of the body (dorsal of the lateral dark stripe). A mid-dorsal dark 

 stripe present, extending from nape to base of caudal fin. 



Biology 



Spawning season is in March and April (Berg 1949). No other data available. 

 Distribution 



P. brachyurus is restricted to the drainage of the Hi River in Kazakhstan, and the Xinjiang 

 Uygur Autonomous Region in China. 



Comments 



Yang & Hung (1964) mentioned that this species lacks scales on the abdomen. Berg ( 1949) 

 and my observation showed that the entire ventral side of the body is scaled. 



Etymology 



The epithet "brachyurus" might be derived from a combination of "brachy-" meaning 

 "short" and "-urus" meaning "taif* (CR. Robins 1995; pers. comm.). 



Phoxinus issykkulensis Berg, 1912 



Synonymy 



Phoxinus issykkulensis Berg, 1912 - Berg 1912: 243, fig. 7 (orig. desc; type locality: Lake 

 Issy-kul, Kazakhstan); Berg 1932: 366, fig. 27 (desc, Issyk-kul River and tributaries. Ka- 

 zakhstan); Berg 1949: 122. 123, fig. 277 (Lake Issykyfs tributaries, Kazakhstan); Howes 

 1985: 71 (name). 



Material studied 



NMC 77-0883 (originally from the Zoological Institute, Academy of Sciences, USSR. Cat. 

 No. 26374), 3 alch.; Brook mouth. Lake Issyk-kul. Jamy-Uguz, USSR; D. Pedashenxo; 

 1909. - MMSU 10696 1 alch. and 1 C&S.. - ZIL 26373 (3), 3 alch; Lake Issyk-kul; 

 collector unknown; date unknown. 



Diagnosis (amended from Berg 1949) 



Caudal fin deeply forked, its lobes pointed; anteromedial process of maxilla absent; 

 pharyngeal 2+3 triangular in shape; gas bladder broad and short. 



