Preface: advances in cichlid research V: behavior, ecology, and evolutionary biology.

They found a low parasite diversity and load on the three autochthonous cichlid species, I Coptodon guineensis i (Günther, 1862), I C. zillii i (Gervais, 1848), and I Oreochromis aureus i (Steindachner, 1864), with evidence for host-switching between different cichlid genera and potential synxenic diversification in one of the I Cichlidogyrus i species. In their review, Geletu and Zhao ([22]) discuss the increasing importance of Nile tilapia for food production globally, and they outline the value of the native genetic resources of tilapia species for future enhancement and resilience of tilapia-based aquaculture. Well-bred: how cichlids raise their young and stand their ground (or not) Cichlid fishes show elaborate mate choice and brood care behavior, and the effort invested in securing mates and rearing offspring also invites the expression of alternative tactics (Sefc, [51]). Guest editors: S. Koblmüller, R. C. Albertson, M. J. Genner, K. M. Sefc & T. Takahashi / Advances in Cichlid Research V: Behavior, Ecology and Evolutionary Biology The current special issue is the fifth in a series of special issues published in I Hydrobiologia i exclusively devoted to cichlid fish research. [Extracted from the article]

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