Check out Arenal, a beautiful, active volcano in Costa Rica. Arenal is one of the most active volcanoes in the world.
III. Food habits, feeding behavior
A. Reproductive habits (time and place of spawning)
B. Spawning behavior
V. Age and growth
VI. Environmental requirements and tolerances
VII. Evolutionary history
VIII. History in relation to humans
Bortone, S.A., and Davis, W.P. Fish Intersexuality as Indicator of Environmental Stress. Bioscience. Vol. 44. March 1994.
Fischer, E.A. Mating Systems of Simultaneously Hermaphroditic Serranid Fishes. Indio-Pacific Fish Biology. Ichthyological Society of Japan, Tokyo. 776-784 pp. 1986.
Fischer, E.A. and Petersen, C.W. Mating System of the Hermaphroditic Coral-reef Fish, Serranus baldwini. Behavioral Ecology and Sociobiology. Vol.19. 171-178 pp. 1986.
Fischer, E.A. and Petersen, C.W. The Evolution of Sexual Patterns in the Seabasses. Bioscience. Vol. 37.July/August 1987.
Shapiro, D.Y. Sex Reversal and Sociodemographic Processes in Coral Reef Fishes. Fish Reproduction: Strategies and Tactics. 1984.
Shapiro, D.Y. Differentiation and Evolution of Sex Change in Fishes. Bioscience. Vol. 37. July/August 1987.
Warner, R. Metamorphosis Among Tropical Fish, When the Going Gets Tough, the Tough Change Sex. Science. December 1982.
Warner, R. Sex Change in Fishes: hypothesis, evidence, and objections. Environmental Biology of Fishes. Vol. 22. 81-90 pp. October 1988.
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