What a beautiful frog! Only in Costa Rica!
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I plan to examine the nature of sexual activity in Coral Reef fishes. I will discuss the biological determination and changes a fish goes through to become male or female and how they change in adulthood. This will include primary and secondary physiological sexual characteristics. Also, I will study the environmental stimuli that trigger certain species of fish to change sexuality or sexual roles. The biological and environmental components will then be combined to understand how an environmental stimulus results in a complete sexual change or partial sexual role change in coral reef fish. Furthermore, I will discuss briefly the implications of sexual morphology on the coral reef.
1. Introduction or fish sexuality and different forms
2. Environmental stimulus
a. Limited resources?
b. Mating choice?
c. Dominance in social group?
3. Physiological determination and change
a. Chemical
b. Genetic influence
c. Physical primary structures
d. Physical secondary structures
4. Mechanisms of physiological change
5. How Environment stimulus controls physiological alterations
6. Implications of sexual morphology on reef
a. Evolution
b. Mating choice
c. other
I plan to cite multiple sources.
These are just a few:
Rafael Campos-Ramos, Simon C. Harvey, Brendan J. McAndrew and David J. PenmanCorresponding Author Contact Information, (2003). An investigation of sex determination in the Mozambique tilapia, Oreochromis mossambicus, using synaptonemal complex analysis, FISH, sex reversal and gynogenesis. Aquaculture, 221, Retrieved May 1st, 2009,
Robert H. Devlin Yoshitaka Nagahamab, (2002). Sex determination and sex differentiation in fish: an overview of genetic, physiological, and environmental influences. Elsevier Science B.V.,
Social Control of Sex Reversal in a Coral-Reef Fish
D. R. Robertson (15 September 1972)
Science 177 (4053), 1007. [DOI: 10.1126/science.177.4053.1007]
Female-mediated causes and consequences of status change in a social fish J.L Fitzpatrick1*, J.K Desjardins2, N Milligan2, K.A Stiver2, R Montgomerie3, S Balshine2 Proceedings of the Royal Society http://rspb.royalsocietypublishing.org/content/275/1637/929.full
Environmental Sex Determination: Interaction of Temperature and Genotype in a Fish
DAVID O. CONOVER and BOYD E. KYNARD (31 July 1981)
Science 213 (4507), 577. [DOI: 10.1126/science.213.4507.577]
Mating systems and the conservation of commercially exploited marine fish. by Sherrylynn Rowe and Jeffrey A. Hutchings. Department of Biology, Dalhousie University, Halifax, NS, Canada B3H 4J1 2003
Sex Change in a Coral-Reef Fish: Dependence of Stimulation and Inhibition on Relative Size
ROBERT M. ROSS, GEORGE S. LOSEY, and MILTON DIAMOND (5 August 1983)
Science 221 (4610), 574. [DOI: 10.1126/science.221.4610.574]
Histological and ultrastructural evidence for the role of gonadal steroid hormones in sex change in the protogynous wrasse Thalassoma duperrey
Masaru Nakamura1, Thomas F. Hourigan2, Kohei Yamauchi3, Yoshitaka Nagahama4 and E. Gordon Grau2 Environmental Biology of Fishes
Mating Systems, Sex Change and Sexual Demography in the Rainbow Wrasse, Thalassoma lucasanum Robert R. Warner Copeia, Vol. 1982, No. 3 (Aug. 10, 1982), pp. 653-661
(article consists of 9 pages) Published by: American Society of Ichthyologists and Herpetologists Stable URL: http://www.jstor.org/stable/1444666
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