Spawning Season of the Razorback Sucker, Xyrauchen texanus in Lake Mohave, Arizona and Nevada
1991; Taylor & Francis; Volume: 6; Issue: 1 Linguagem: Inglês
10.1080/02705060.1991.9665276
ISSN2156-6941
AutoresMichael A. Bozek, Larry J. Paulson, Gene R. Wilde, James E. Deacon,
Tópico(s)Marine and fisheries research
ResumoABSTRACT Spawning of the razorback sucker, (Xyrauchen texanus), in Lake Mohave was assessed by visual surveys, trammel netting, and larval sampling in 1982 and 1983. Collections of ripe fish (n=546) and larvae (n=1,205) indicated that razorback suckers spawned from November to May, but larvae were collected only from spawning activity occurring from December through March. Water temperature was 13°C in November as spawning commenced, dropped to 9.5°C during January and February, then increased to 22°C as the spawning season ended in May. Peak spawning, indicated by ripeness, spawning activity, and larval collections, occurred from January through March when water temperatures ranged from 10 to 15°C.
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