Substratum choice for nesting in male Nile tilapia Oreochromis niloticus
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.
Document Type: Research Article
Affiliations: University of São Paulo State, Aquaculture Center of UNESP, Research Center of Animal Welfare (RECAW), Dep. Fisiologia, IBB, P.O. Box 510, Rubião Jr. s/n, CEP 18618-000, Botucatu, SP, Brasil
Publication date: October 1, 2010