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A single maturity classification key for five common Mediterranean chaetognath species

Published online by Cambridge University Press:  01 December 1999

G. Kehayias ,
C. Koutsikopoulos ,
N. Fragopoulu  and
J. Lykakis
G. Kehayias
Affiliation:
Section of Animal Biology, Department of Biology, University of Patras, 26 500 Patra, Greece
C. Koutsikopoulos
Affiliation:
Section of Animal Biology, Department of Biology, University of Patras, 26 500 Patra, Greece
N. Fragopoulu
Affiliation:
Section of Animal Biology, Department of Biology, University of Patras, 26 500 Patra, Greece
J. Lykakis
Affiliation:
Section of Animal Biology, Department of Biology, University of Patras, 26 500 Patra, Greece
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Abstract

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A single maturity classification key applied to five common chaetognath species of the eastern Mediterranean is presented. The efficiency of the key was tested using biometrical data: body length (BL), ovary length (OL) and seminal vesicle width (SVW). For each species the key proved easy to use and efficient in the distinction of the maturity stages providing a satisfactory size separation between them.

Type
Brief Report
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 79 , Issue 6 , December 1999 , pp. 1137 - 1138
Copyright
© 1999 Marine Biological Association of the United Kingdom