Effects of wastewater from an oil-sand-refining operation on survival, hematology, gill histology, and swimming of fathead minnows

A. P. Farrell, C. J. Kennedy, A. Kolok Kolok

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

This study examined the effects of various types of wastewater produced in oil-sand-refining on the survival, hematology, gill morphology, and swimming of caged fathead minnows (Pimephales promelas Rafinesque, 1820). At the reference site, all fish survived a 28-day exposure with unchanged hematocrit, leucocrit, and gill histology. In contrast, all fish did not survive a 28-day period in any of the wastewaters tested and, in some cases, they had all died within 96 h. In addition, the hematology or gill morphology of fish that had survived shorter exposure durations was found to be significantly altered; the changes included a significant decrease in lymphocytes and significant gill cellular hyperplasia and hypertrophy. The present data suggest that water remediation will be needed before the process wastewater from oil-sand-refining can support fish populations.

Original languageEnglish (US)
Pages (from-to)1519-1527
Number of pages9
JournalCanadian Journal of Zoology
Volume82
Issue number9
DOIs
StatePublished - Sep 2004

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

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