Barata EN, Hubbard PC, Almeida OG, Miranda A, Canario AVM. Male urine signals social rank in the Mozambique tilapia (Oreochromis mossambicus). BMC Biol. 2007;5:54. doi:10.1186/1741-7007-5-54

Almeida OG, Miranda A, Frade P, Hubbard PC, Barata EN, Canario AVM. Urine as a social signal in the mozambique tilapia (Oreochromis mossambicus). Chem Senses. 2005;30 Suppl 1:i309-10. doi:10.1093/chemse/bjh238