4211

• UCREFRP Catalog Number: 4211
• Author: Ulmer, L.
• Title: Management Plan for the Razorback Sucker ‎(
• USFW Year: 1985.
• Copyright Material: NO

'~ 1. ..1 _'..
L •
. f:e;.,
~;,' ~~ri~ona and C.'alifornia recov~z-y effort, t~lso, currcr7cl.y ar;
a%tc~.n~t to obtain f~,ndi~~r~ fr_ozn I~Sl~-Sf~ct~.on 6 is bez.rtg m~~de to
conduct a ra•r,orback sucker status survey ~.n Lake t~2~ad.
Neva Mexico
llespite the lack of hi;~roric records for razorb;~c;; sucker in
New t~iexico, the Department of Gar7e aril k ish is con;:~idering
introduction of hatchery stocks into the San 3uan River basin as
part . of_ the o~%erall recovery of=fort.
a
California
Considerable eLforL- by CDFG P.egion S fishery biologists-has
(Vp~ been directed over the past 10-years toward obtaining razarbaek
sucker life History information to develop a succc.a _ fu~ Mant ge;mer~t
Plan. Razork~ack sucker popul<~tions elist in California in Senator
~~ash Reservoi?~, West Pond and perhaps in ttze mainstream river at.
undetectably low numbers.
The Senator_ i~~lash population has bean intensively si:.udied ever
the past docczde to document razorback a'c~2_~ndar7c:ea ~1n interagency,
ultrasonic telemetry study lass perfor~~7f~d in 1L3B0-81 and provided
important informa'~.ion on seaso_~~~1 and d:~:~ly r~overt~~nt pattr~rn. anc~
de~~th ar~d h~~~L~itZt nref~,rer7c.esR ~ se~~ar~~at~ stu~~iy d~atiun~entec~
r~;~2rod~action, egg pred~a~.ion, and ge~,lc~c;ic corrf~~osi~~i~rn of spt3~aninc~
sul~;:~trate~ DacuSnent~~ti~i.on of prei:er_red s~~a~~rpinet subs~~~r<~;~.e ~t~.rovid~~d
Cfi?.t. on ]-n1 t?Y;ro-~d 'tll;itn]"7.C ;p:~~^71~7.1'1~ SitC:~ ~~1On';3 tF7t:,' Cp~,t;~~ct~o RZt3~ I;'
~l.']111~Jr 1~3U1~. ~~+ Iitii.t"{~_„T'c?C:F~~}tIZX:L pC7j)~.2~.<?i.l~=?i"3 E_fS~:,f1i-?.~~.1: GF~S ~~T~!-~`_l