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Main Title Method for Early Life-Stage Toxicity Tests Using Three Atherinid Fishes and Results with Chlorpyrifos.
Author Goodman, L. R. ; Hansen, D. J. ; Middaugh, D. P. ; Cripe, G. M. ; Moore, J. C. ;
CORP Author Environmental Research Lab., Gulf Breeze, FL.
Year Published 1985
Report Number EPA/600/D-85/116;
Stock Number PB85-218899
Additional Subjects Marine fishes ; Toxicity ; Insecticides ; Life cycles ; Embryos ; Minnows ; Phosphorothioates ; Survival ; Concentration(Composition) ; Exposure ; Dursban ; Menidia ; Atlantic Coast(United States) ; Gulf Coast(United States) ; Phosphorothioic acid/(diethyl-ester)-(trichloro-pyridyl)
Library Call Number Additional Info Location Last
NTIS  PB85-218899 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 13p
The authors have developed methods for obtaining embryos and conducting early life-stage toxicity tests (continuous exposure from the embryonic stage to approximately three weeks or more into the exogenous feeding stage) with three estuarine species of atherinid fishes. Early life-stage tests were conducted for 28-d with Menidia beryllina, M. menidia, and M. peninsulae and the insecticide chlorpyrifos. Responses of the three species were very similar: upper chronic values ('effect' concentrations) ranged from 0.48 to 1.8 micrograms chlorpyrifos/l and lower chronic values ('no effect' concentrations) ranged from 0.28 to 0.75 micrograms/l. Chlopyrifos exposure did not affect survival of embryos to hatching which averaged 91 to 93% for each species. From these three species, toxicologists may select an Atlantic or Gulf Coast species that occurs in either high or low salinity.