Evolution of diadromy in fish: insights from a tropical genus (Kuhlia species)

Feutry, Pierre, Castelin, Magalie, Ovenden, Jennifer R., Dettai, Agnes, Robinet, Tony, Cruaud, Corinne and Keith, Philippe (2013) Evolution of diadromy in fish: insights from a tropical genus (Kuhlia species). American Naturalist, 181 1: 52-63. doi:10.1086/668593

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Author Feutry, Pierre
Castelin, Magalie
Ovenden, Jennifer R.
Dettai, Agnes
Robinet, Tony
Cruaud, Corinne
Keith, Philippe
Title Evolution of diadromy in fish: insights from a tropical genus (Kuhlia species)
Journal name American Naturalist   Check publisher's open access policy
ISSN 0003-0147
Publication date 2013-01
Year available 2012
Sub-type Article (original research)
DOI 10.1086/668593
Open Access Status File (Publisher version)
Volume 181
Issue 1
Start page 52
End page 63
Total pages 12
Place of publication Chicago, IL, United States
Publisher University of Chicago Press
Collection year 2013
Language eng
Abstract Diadromous species undergo regular migration between fresh and marine waters. This behavior is found in many species, including fish, mollusks, and crustaceans, some of which are commercially valuable species. Several attempts to trace the evolution of this behavior have been made in Salmonidae and Galaxiidae, but ambiguous phylogenies and multiple character state changes prevented unequivocal conclusions. The Kuhliidae family consists of 12 fish species that inhabit tropical islands in the Indo-Pacific region. The species have marine, partially catadromous, or fully catadromous life histories (i.e., they migrate from rivers to the sea to reproduce). The evolution of migratory behavior was traced on a well-resolved phylogeny. Catadromous Kuhlia species were basal, and partially catadromous and marine species formed derived monophyletic groups. This is, to our knowledge, the first time that a clear origin and polarity for the diadromous character has been demonstrated. We propose that the relative lack of resources in tropical, inshore, marine habitats and the ephemeral and isolated nature of freshwater environments of tropical islands, combined with phenotypic plasticity of migratory traits, play key roles in driving the evolution of diadromy in the Kuhliidae and probably in other groups. This work is an important starting point to understand the role of diadromy in speciation and adaptation in unstable habitats.
Keyword Diadromy
Ancestral character reconstruction
Habitat shift
Land locking
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online: 27 November 2012.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
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