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Fig. 17.3  Growth in terms of the relationships between mantle length (mm, above), weight (g,
below), age (d, solid line), and daily growth rate (%, broken lines) in length and weight in an open
seawater system. Arrows indicate mating (  m) and spawning (  s). (From Nabhitabhata 2002)
J. Nabhitabhata and Y. Ikeda