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Biology

Western Washington University

2022

Forage fish

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The Effect Of Polyunsaturated Aldehydes On Zebrafish Larvae Heart Rate And Mortality, Soraya Jessa Apr 2022

The Effect Of Polyunsaturated Aldehydes On Zebrafish Larvae Heart Rate And Mortality, Soraya Jessa

WWU Honors College Senior Projects

This research provides insight on the effects that polyunsaturated aldehydes (PUAs) have on model species zebrafish heart rate and mortality. Zebrafish were used as an analog for forage fish, which are of both ecological and economic importance. Forage fish often interact with diatoms, some species of which have been known to emit allelopathic chemicals, PUAs. These chemicals can have a deleterious effect on invertebrates that cohabitate with or consume diatoms, but their effects on vertebrates was unknown. In the lab, zebrafish eggs were exposed to three different concentrations of PUAs plus two controls and observed to determine any effects on …