Start Date

April 2021

Document Type

Poster Session

Department

Biological Sciences

Faculty Mentor

Christine Maher, PhD

Keywords

Ibuprofen, red claw crab, pharmaceutical pollution, fear response

Abstract

Pharmaceutical pollution is a growing environmental issue. Chemicals engineered to affect humans persist in the water system and may have unintended effects on animal behavior. Ibuprofen is an anti-inflammatory drug shown to reduce predator avoidance in fish. I chose to examine the effects of ibuprofen on the foraging behavior of red clawed crab (Perisesarma bidens) by measuring time spent in the open. Crabs typically spend most of their time hiding and only expose themselves to danger in order to forage for food. I predicted that crabs treated with the high dose of ibuprofen will spend less time hiding compared to the low dose, and both dosed treatments will spend less time hiding vs the control. I recorded whether the crabs were hidden or exposed over 5-minute intervals for nine days. I found no statistical difference between treatments. The results indicate that ibuprofen had no effect on crab risk-taking behavior.

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Apr 30th, 12:00 AM

Effects of ibuprofen on duration of fear responses in red claw crabs

Pharmaceutical pollution is a growing environmental issue. Chemicals engineered to affect humans persist in the water system and may have unintended effects on animal behavior. Ibuprofen is an anti-inflammatory drug shown to reduce predator avoidance in fish. I chose to examine the effects of ibuprofen on the foraging behavior of red clawed crab (Perisesarma bidens) by measuring time spent in the open. Crabs typically spend most of their time hiding and only expose themselves to danger in order to forage for food. I predicted that crabs treated with the high dose of ibuprofen will spend less time hiding compared to the low dose, and both dosed treatments will spend less time hiding vs the control. I recorded whether the crabs were hidden or exposed over 5-minute intervals for nine days. I found no statistical difference between treatments. The results indicate that ibuprofen had no effect on crab risk-taking behavior.

 

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