Effects of ABS on Feeding Behavior of Flagfish, Jordanella floridae

Abstract
Exposure of flagfishes, Jordanella floridae (Pisces:Cyprinodontidae), for 4 weeks to five concentrations of an alkyl benzene sulfonate mixture (ABS) ranging from 10 to 65 ppm ABS mixture caused a fundamental change in the feeding behavior after 4 days'' exposure in all concentrations but not in the controls. The ABS appeared to interfere with the olfactory (but not the visual) phase of the feeding of flagfishes upon live tubificid worms. The work of previous investigators and the results of these experiments suggest that the olfactory epithelium was damaged by the ABS to such an extent that the exposed fishes were unable to detect the "palatable" nature of tubificids.

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