Toxicity of metals to a freshwater ostracod

Stenocypris major

Mohammad Shuhaimi-Othman, Nadzifah Yakub, Nur Amalina Ramle, Ahmad Abas Kutty

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Adults of freshwater ostracod Stenocypris major (Crustacea, Candonidae) were exposed for a four-day period in laboratory conditions to a range of copper (Cu), cadmium (Cd), zinc (Zn), lead (Pb), nickel (Ni), iron (Fe), aluminium (Al), and manganese (Mn) concentrations. Mortality was assessed, and median lethal times (LT50) and concentrations (LC50) were calculated. LT50 and LC50 increased with the decrease in mean exposure concentrations and times, respectively, for all metals. LC50s for 96 hours for Cu, Cd, Zn, Pb, Ni, Fe, Al, and Mn were 25.2, 13.1, 1189.8, 526.2, 19743.7, 278.9, 3101.9, and 510.2g/L, respectively. Metals bioconcentration in S. major increases with exposure to increasing concentrations, and Cd was the most toxic to S. major, followed by Cu, Fe, Mn, Pb, Zn, Al, and Ni (CdCuFeMnPbZnAlNi). Comparison of LC50 values for metals for this species with those for other freshwater crustacean reveals that S. major is equally or more sensitive to metals than most other tested crustacean.

Original languageEnglish
Article number136104
JournalJournal of Toxicology
Volume2011
DOIs
Publication statusPublished - 2011

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Crustacea
Fresh Water
Toxicity
Manganese
Nickel
Metals
Aluminum
Cadmium
Zinc
Poisons
Copper
Iron
Mortality

ASJC Scopus subject areas

  • Toxicology
  • Pharmacology

Cite this

Toxicity of metals to a freshwater ostracod : Stenocypris major. / Shuhaimi-Othman, Mohammad; Yakub, Nadzifah; Ramle, Nur Amalina; Abas Kutty, Ahmad.

In: Journal of Toxicology, Vol. 2011, 136104, 2011.

Research output: Contribution to journalArticle

Shuhaimi-Othman, Mohammad ; Yakub, Nadzifah ; Ramle, Nur Amalina ; Abas Kutty, Ahmad. / Toxicity of metals to a freshwater ostracod : Stenocypris major. In: Journal of Toxicology. 2011 ; Vol. 2011.
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