Total wet weight (with intervalvular water)
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Negative allometry
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Isometric growth
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Sex ratio
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1.13:1
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1.3:1
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Reproductive period
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Resting stage
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From December to March (T between 11.5 and 16.8 °C)
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During the cold season, from December to early April (T < 14 °C)
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Proliferation of the gonad and differentiation of the gametes
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In early April and May (T between 18.2 and 20 °C)
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In April, May and June (T between 14 and 20 °C)
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Advanced gametogenesis
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From June to July (T > 26 °C)
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From June to beginning of July (T > 20 °C)
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Maturation and spawning
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Late July, end of August and early September (T between 25.1 and 35 °C)
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Early July, August and late September (T between 22 and 27 °C)
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Spent stage
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November (T < 20 °C)
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November (T < 20 °C)
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