shoaling and exploration behaviors as functions of female reproductive state in western mosquitofish...
TRANSCRIPT
Shoaling and Exploration Behaviors as Functions of Female Reproductive
State in Western MosquitofishJames Stewart*, Claire Hemingway, Dr. Raelynn Deaton
HaynesSt. Edward’s University, University of Texas at Austin
Gambusia geiseri
Behaviors Studied
• Boldness
• Sociability
• Shoaling
Sociability
Dissections
• Length Measured
• Embryos/Ovaries removed
• Dried and weighed
r2=0.064, df=37, p=0.121
r2=.09 df= 37 p=.051
Results
Tota
l S
hoalin
g T
ime (
s)
Results
r2=.076, df=37, p=.088
0 10 20 30 40 50
Sh
oa
ling
Tim
e w
itho
ut P
red
ato
r (s)
0
100
200
300
400
500
600
700
Percent Gonosomatic Index (GSI)
0 10 20 30 40 50
Sh
oa
ling
Tim
e w
ith P
red
ato
r (s)
0
100
200
300
400
500
r2=0.11, N=39, p=0.03
r2=0.01, N=39, p>0.05
r2=0.08, df=37, p=0.09
r2=0.05, df=37, p=0.17Resultsr2=.05,df=37, p=.17
Results
Percent Gonosomatic Index (GSI)
0 10 20 30 40 50
Me
an
Pre
da
tor In
sp
ec
tion
s
0
2
4
6
8
10
r2=0.005, N=39, p>0.05
Paired t=5.01, df=22, p<0.001ResultsPaired t=5.01, df=22, p<0.001
Conclusion
• GSI vs. Boldness
• GSI vs. Shoaling
• Shoaling vs. Predator/No Predator
Future
• Exploration Experiment
Acknowledgements
• TG Public Benefit Program
• Dr. Richard Kopec
• Dr. Raelynn Deaton Haynes
• Claire Hemingway
Questions?