期刊
JOURNAL OF FISH BIOLOGY
卷 77, 期 6, 页码 1439-1445出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1095-8649.2010.02754.x
关键词
choice test; cichlid; nest; welfare
资金
- CNPq [proc. 140098/2007-0, proc. 302022/2006-6]
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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