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Male reproductive maturity in the octopus, Eledone cirrhosa (Cephalopoda: Octopoda)

Published online by Cambridge University Press:  11 May 2009

P. R. Boyle  and
Daniela Knobloch
P. R. Boyle
Affiliation:
Department of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen, AB9 2TN
Daniela Knobloch
Affiliation:
Department of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen, AB9 2TN
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Extract

Males of Eledone cirrhosa grow to a size little over 600 g and normally have well-developed, and presumably active, reproductive organs from about 200 g upwards. Total weight of the genital bag is well correlated with total body weight (r= 0·906). Growth of the testis precedes that of the spermatophoric sac, and the size of neither of these reproductive components is predictable from body weight. The sizes of these organs and the estimated number and length of stored spermatophores are given for 100 g intervals of total body weight. No evidence was obtained for a seasonal trend in male maturity.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 64 , Issue 3 , August 1984 , pp. 573 - 579
Copyright
Copyright © Marine Biological Association of the United Kingdom 1984

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