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Can mineralogical features influence distribution patterns of fish? A case study in shallow Mediterranean rocky reefs

Published online by Cambridge University Press:  21 November 2002

P. Guidetti  and
R. Cattaneo-Vietti
P. Guidetti
Affiliation:
Laboratorio di Zoologia e Biologia Marina, DiSTeBA, CoNISMa, Università di Lecce, Via Prov.le Monteroni, 73100 Lecce, Italy
R. Cattaneo-Vietti
Affiliation:
DipTeRis, Università di Genova, Corso Europa 26, 16132 Genova, Italy
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Abstract

Spatial distribution patterns of two small serranids, Serranus scriba and S. cabrilla, have been investigated in  June 2001 in north-eastern Sardinia (Tyrrhenian Sea, Italy). Density and size of both species were estimated by visual census on shallow (5–7 m) rocky reefs constituted by different mineralogical types (granites vs carbonates), at different locations (several kilometres apart from each other) and sites (hundreds of metres from each other). Serranus scriba was significantly more abundant on granite rocks (where it also showed a greater frequency of large specimens) than on carbonates, while S. cabrilla displayed opposite patterns.

Type
Short Communication
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 82 , Issue 6 , December 2002 , pp. 1043 - 1044
Copyright
© 2002 Marine Biological Association of the United Kingdom

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