Effects of ambient Lake Mohave temperatures on development, oxygen consumption, and hatching success of the razorback sucker

Michael A. Bozek, Larry J. Paulson, Gene R. Wilde

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Spawning of razorback suckers, Xyrauchen texanus, in Lake Mohave occurred from 10-22°C and larvae were collected at water temperatures from 10-15°C in 1982 and 1983. In the laboratory, hatching success was similar from 12-20°C, but reduced hatching success was found at 10°C while none hatched a 8°C. Development rate and oxygen consumption were positively related to incubation temperature. Direct effects of ambient Lake Mohave water temperatures on hatching success of razorback sucker embryos are considered minimal. Historical spawning temperatures for the species are hypothesized based upon successful incubation temperatures and comparison to the white sucker, Catostomus commersoni.

Original languageEnglish
Pages (from-to)255-263
Number of pages9
JournalEnvironmental Biology of Fishes
Volume27
Issue number4
DOIs
StatePublished - Apr 1990

Keywords

  • Eggs
  • Embryo
  • Incubation
  • Larvae
  • Respiration
  • Xyrauchen texanus

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