Article (Scientific journals)
Non-reef environments impact the diversification of extant jacks, remoras and allies (Carangoidei, Percomorpha)
Frederich, Bruno; Marrama, Giuseppe; Carnevale, Giorgio et al.
2016In Proceedings of the Royal Society. Biological Sciences, 283, p. 20161556
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Keywords :
Macroevolution; fossils; HiSSE; Trait evolution; Morphospace; Geometric morphometrics; Coral reefs; pelagic environment; piscivory
Abstract :
[en] Various factors may impact the processes of diversification of a clade. In the marine realm, it has been shown that coral reef environments have promoted diversification in various fish groups. With the exception of requiem sharks, all the groups showing a higher level of diversity in reefs than in non-reef habitats have diets based predominantly on plankton, algae or benthic invert- ebrates. Here we explore the pattern of diversification of carangoid fishes, a clade that includes numerous piscivorous species (e.g. trevallies, jacks and dolphinfishes), using time-calibrated phylogenies as well as ecological and morphological data from both extant and fossil species. The study of caran- goid morphospace suggests that reef environments played a role in their early radiation during the Eocene. However, contrary to the hypothesis of a reef-association-promoting effect, we show that habitat shifts to non-reef environments have increased the rates of morphological diversification (i.e. size and body shape) in extant carangoids. Piscivory did not have a major impact on the tempo of diversification of this group. Through the ecological radiation of carangoid fishes, we demonstrate that non-reef environments may sustain and promote processes of diversification of different marine fish groups, at least those including a large proportion of piscivorous species.
Research Center/Unit :
AFFISH-RC - Applied and Fundamental FISH Research Center - ULiège
MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège
Disciplines :
Zoology
Author, co-author :
Frederich, Bruno  ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Marrama, Giuseppe
Carnevale, Giorgio
Santini, Francesco
Language :
English
Title :
Non-reef environments impact the diversification of extant jacks, remoras and allies (Carangoidei, Percomorpha)
Publication date :
02 November 2016
Journal title :
Proceedings of the Royal Society. Biological Sciences
ISSN :
0962-8452
eISSN :
1471-2954
Publisher :
Royal Society, London, United Kingdom
Volume :
283
Pages :
20161556
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Available on ORBi :
since 03 November 2016

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