sexing gobiids

Gianluca Polgar polgar at ALFANET.IT
Sat Aug 24 05:30:08 CDT 2002

Dear all,

I've got a question for Ichthyologists/gobiologists: in genus 
Periophthalmus (Perciformes: Gobiidae), is the presence of a small 
urogenital papilla visible immeadiatly posterior to the anus a good 
character for sex determination?
(e.g. indicates it's a male)?


Gianluca Polgar

Gianluca Polgar
c/o prof L. Bullini
Università degli studi di Roma "La Sapienza"
Department of Genetics and Molecular Biology, "Charles Darwin"
Via dei Sardi, 70
Roma, Italy

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