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Substratum choice for nesting in male Nile tilapia Oreochromis niloticus
Author(s) -
Mendonça F. Z.,
Volpato G. L.,
CostaFerreira R. S.,
GonçalvesdeFreitas E.
Publication year - 2010
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.2010.02754.x
Subject(s) - oreochromis , nile tilapia , biology , nesting (process) , homogeneous , fishery , fish <actinopterygii> , zoology , tilapia , ecology , mathematics , materials science , metallurgy , combinatorics
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.