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RECORD NUMBER: 154 OF 1338

OLS Field Name OLS Field Data
Main Title Cadmium and Zinc Toxicity to 'Jordanella floridae'.
Author Spehar., Robert L. ;
CORP Author Environmental Research Lab.-Duluth, Minn.
Year Published 1975
Report Number EPA/600/J-76/024; EPA-ROAP-16ADD-07E;
Stock Number PB-265 259
Additional Subjects Fresh water fishes ; Toxicity ; Cadmium ; Zinc ; Growth ; Concentration(Composition) ; Mortality ; Life cycles ; Survival ; Reproduction(Biology) ; Larvae ; Reprints ; Jordanella florida ; Heavy metals
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NTIS  PB-265 259 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 9p
Abstract Cadmium and zinc toxicity to the flagfish (Jordanella floridae) was determined on the basis of 96-hr median lethal concentrations (LC50) and significant decreases (P=0.05) in survival, growth, and reproduction over the complete life cycle of the fish. The 96-hr LC50 values for cadmium and zinc to juvenile flagfish were 2,500 and 1,500 microg/liter, respectively. In chronic tests, reproduction was the most sensitive indicator of cadmium toxicity and was inhibited at 8.1 microg/liter. Tissue-concentration analysis showed that fish exposed to concentrations of 1.7 microg/liter and above accumulated significantly greater amounts of cadmium than those in the controls. In zinc tests, survival of larvae (not exposed as embryos) and growth of females were the most sensitive measure of zinc toxicity and were reduced at respective concentrations of 85 and 51 microg/liter.
Supplementary Notes Pub. in Jnl. of the Fisheries Research Board of Canada, v33 p1939-1945 1976. Text in English. Abstract in French and English.
NTIS Title Notes Journal article.
Title Annotations +++Reprint: Cadmium and Zinc Toxicity to 'Jordanella floridae'.
PUB Date Free Form 7 Jul 75
Category Codes 6T; 6F; 13B; 98F; 57Y; 68D; 57H; 86O
NTIS Prices PC A02/MF A01
Primary Description 600/03
Document Type NT
Cataloging Source NTIS/MT
Control Number 323714343
Origin NTIS
Type CAT