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A new possible case of mimicry between two Brazilian endemic reef fish

Published online by Cambridge University Press:  19 April 2011

Thiago C. Mendes*
Affiliation:
Departamento de Biologia Marinha, Universidade Federal Fluminense, 24001-970, Niterói, RJ, Brazil
Renata C.B. Mazzei
Affiliation:
Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
Gabriel O. Correal
Affiliation:
Departamento de Biologia Marinha, Universidade Federal Fluminense, 24001-970, Niterói, RJ, Brazil
Carlos Eduardo L. Ferreira
Affiliation:
Departamento de Biologia Marinha, Universidade Federal Fluminense, 24001-970, Niterói, RJ, Brazil
*
Correspondence should be addressed to: T.C. Mendes, Departamento de Biologia Marinha, Universidade Federal Fluminense, 24001-970, Niterói, RJ, Brazil email: [email protected]
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Abstract

It is proposed herein that the juvenile parrotfish Scarus zelindae is a mimic of the barber goby Elacatinus figaro. Juvenile S. zelindae not only resemble E. figaro but also present changes in behaviour that helps establish the existence of a mimic–model system. When approached by divers juvenile S. zelindae remained stationary at the bottom adopting a site-attached behaviour similar to E. figaro. Because of S. zelindae's colour similarity and behaviour changes, we propose that juvenile S. zelindae may be acting as a mimic to the model E. figaro gaining advantage due to the low rate of predation upon cleaner fish.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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