4211

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

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i n 1881, k~CEI) and USFti~7S Re<~i~an ~ enter<:d into a ~~7emor°af"rdurn of
Understanding (f~1~7U) to re~_rYtroduce ~-azorl;~acF, sucker over a 10-year
period into ~:;tr_eams of central I~rizonu. I'ur~suant to terns of the
ME)U, if by 193.1 populations l~iave not reestablished, f~~dera.l.
~:ndangere~d li:3ting would be pursued. Concurrent vii-th this
reii.troduction effort, USnb°IS ha> fur-d~~d research on the Take
Mohave population, p7.us a monitoring pr_o_~ram at Arizona stocking
sites. Information from these studies anc~ mod~itor°i.ng efforts will
be used if and ~,~hen necessary f~~:r a razorback sucker listing
package.
USI`G4S Region 2 initiated a propdgatior. program at Dexter NFH
to supply fish necessary for tl~e Arizona rPi.ntroductior~ progr~~.r~.
Adult razorback suckers from Tale i~Iohave have been spawned
successfully for the past 5 years. Since 1981 mono than 1~
-_ million razor.i~ack fry and fingerlings roared at Dexter have been
stocked. Due to large nurnbUrs of several endangered species being
propagated at t~7is facility, rearing space is lir~rited and the
majority of ~~tocked razorb~,c,ks k.ave been fry. A(:ar11 is presently-
praviding addi_~~i^~nal ~~row=--o~it f_acilitins for razor_baci; fry anc~
finger..li~ng~~ at its Pai_c;~: ~3y.rings Ilatc,rE~r~~~ (Paige Springs,
Ar i'z orta) .
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