||Effect of a Number 2 Fuel Oil and a South Louisiana Crude Oil on the Behavior of the Soft Shell Clam, Mya arenaria L.
Stainken., Dennis M. ;
||Industrial Environmental Research Lab.-Cincinnati, Edison, N.J. Oil and Hazardous Materials Spills Branch.
Crude oil ;
Fuel oil ;
Oil pollution ;
Animal behavior ;
Field tests ;
Aquatic animals ;
Mya arenaria ;
Water pollution effects(Animals)
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Static bioassay tests with Mya arenaria were conducted over a 96 hour period to determine the effects of a No. 2 fuel oil and a South Louisiana crude oil. Oils were added in an emulsified form as a single dose concentration at the beginning of the experiment. Oils were tested at 4 and 14C over a concentration range from 50 - 1600 ppm. Behavioral observations were made in all tests. Although LC50 determinations were inconclusive, behavioral effects were repeatable for both crude and refined oil. The increasingly greater concentrations of oil elicited greater mucus secretion and decreased tactile response. The effects were greater at higher temperatures.