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Morphometric study of the nereidid Laeonereis acuta (Annelida: Polychaeta)

Published online by Cambridge University Press:  21 August 2001

Elianne P. Omena  and
Antonia Cecília Z. Amaral
Elianne P. Omena
Affiliation:
Departamento de Invertebrados/Museu Nacional-Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s/n, 20940-040, RJ, Brazil, E-mail:[email protected]
Antonia Cecília Z. Amaral
Affiliation:
Departamento de Zoologia/Universidade Estadual de Campinas, Campinas CP 6190, 13081-970, Brazil
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Abstract

In order to find the most suitable parameter for measuring the nereidid Laonereis acuta, correlations between total length or weight and eight morphological measurements: width of prostomium and 2nd, 6th, 13th and 19th setigers, length of the prostomium, length through segment 6th and length through segment 13th, were established. The width measurements showed the highest values of r, and were the most reliable indicators of size. Comparisons between weight and morphological measurements showed a similar pattern as well as negative allometric growth.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 81 , Issue 3 , June 2001 , pp. 423 - 426
Copyright
2001 Marine Biological Association of the United Kingdom

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