Summary
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1.
The chromatophores of Caridina underwent small but significant cyclic changes in the degree of expansion during the various stages of the moult cycle. The red and white pigments were more dispersed at stage D (premoult) than at stages A and B (postmoult) of the moult cycle.
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2.
A larger amount of red pigment dispersing and concentrating hormones was found in the eyestalk and supraoesophageal ganglia of premoult animals than in the corresponding organs of the postmoult forms.
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3.
It was suggested that the responses of the chromatophorotropins were related to some metabolic changes occurring in the prawns during the moult cycle.
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References
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Nagabhushanam, R., Vasantha, N. Moulting and colour changes in the Prawn, Caridina weberi. Hydrobiologia 38, 39–47 (1971). https://doi.org/10.1007/BF00036791
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DOI: https://doi.org/10.1007/BF00036791