Reproductive Trends in CaptiveHeosemys grandis(Geoemydidae)

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Abstract

A 20-year record of captive breeding of a femaleHeosemysgrandisrevealed a tradeoff between egg size and clutch size across the years when she produced 2 clutches per breeding season. First clutches had few large eggs and second clutches had a large number of smaller eggs. Four Fl progeny from this founder female began their reproductive years with much smaller eggs; however, their eggs increased in size over successive years until they were the same size as those of the long-term breeder.

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