Toxicity of copper and cadmium to freshwater fishes

M. Shuhaimi-Othman, Y. Nadzifah, Ahmad Abas Kutty

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Two freshwater fishes, Rasbora sumatrana (Cyprinidae) and Poecilia reticulata (guppy) (Poeciliidae) were exposed for a four-day period in the laboratory condition to a range of copper (Cu) and cadmium (Cd) concentrations. Mortality was assessed and median lethal concentrations (LC 50) were calculated. LC 50 increased with decrease in mean exposure times for both metals. For R. sumatrana, LC 50s for 24, 48, 72 and 96 hours for Cu were 54.2, 30.3, 18.9 and 5.6 μg/L and for Cd 1440.2, 459.3, 392.3 and 101.6 μg/L respectively. For P. reticulata, LC50s for 24, 48, 72 and 96 hours for Cu were 348.9, 145.4, 61.3 and 37.9 μg/L and for Cd 8205.6, 2827.1, 405.8 and 168.1 μg/L, respectively. Results indicated that the Cu was more toxic than Cd to both fishes (Cu>Cd) and R. sumatrana was more sensitive than P. reticulata to the metals.

Original languageEnglish
Pages (from-to)869-871
Number of pages3
JournalWorld Academy of Science, Engineering and Technology
Volume65
Publication statusPublished - May 2010

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Cadmium
Fish
Toxicity
Copper
Metals

Keywords

  • Acute
  • Heavy metals
  • LT
  • Toxicity

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Toxicity of copper and cadmium to freshwater fishes. / Shuhaimi-Othman, M.; Nadzifah, Y.; Abas Kutty, Ahmad.

In: World Academy of Science, Engineering and Technology, Vol. 65, 05.2010, p. 869-871.

Research output: Contribution to journalArticle

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