2010Journal of Fish BiologyRequires access

Substratum choice for nesting in male Nile tilapia Oreochromis niloticus

Francine Zocoler de Mendonça, G. L. Volpato, Roselene S. Costa-Ferreira, Eliane Gonçalves‐de‐Freitas

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Abstract

Four substrata were offered to groups of adult Nile tilapia Oreochromis niloticus (one male and two females) simultaneously: pure sand, a mixture of sand and shells, stones and no substratum. The results showed that males chose to dig nests in a lighter and more homogeneous substratum.

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What this paper is about

Four substrata were offered to groups of adult Nile tilapia Oreochromis niloticus (one male and two females) simultaneously: pure sand, a mixture of sand and shells, stones and no substratum. The results showed that males chose to dig nests in a lighter and more homogeneous substratum.

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Available abstract

Four substrata were offered to groups of adult Nile tilapia Oreochromis niloticus (one male and two females) simultaneously: pure sand, a mixture of sand and shells, stones and no substratum. The results showed that males chose to dig nests in a lighter and more homogeneous substratum.

Key concepts: Oreochromis, Nile tilapia, Biology, Nesting (process), Homogeneous, Fishery, Fish <Actinopterygii>, Zoology

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