Article (Scientific journals)
Considering decoupled phenotypic diversification between ontogenetic phases in macroevolution: An example using Triggerfishes (Balistidae).
Dornburg, Alex; Zapfe, Katerina L; Williams, Rachel et al.
2024In Systematic Biology
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Keywords :
Adaptive Radiation; Ecology; Functional Morphology; Nursery habitat; Ontogeny; Macroevolution; Geometric morphometrics; swimming; coral reefs; juveniles; body shape
Abstract :
[en] Across the Tree of Life, most studies of phenotypic disparity and diversification have been restricted to adult organisms. However, many lineages have distinct ontogenetic phases that differ from their adult forms in morphology and ecology. Focusing disproportionately on the evolution of adult forms unnecessarily hinders our understanding of the pressures shaping evolution over time. Non-adult disparity patterns are particularly important to consider for coastal ray-finned fishes, which often have juvenile phases with distinct phenotypes. These juvenile forms are often associated with sheltered nursery environments, with phenotypic shifts between adults and juvenile stages that are readily apparent in locomotor morphology. Whether this ontogenetic variation in locomotor morphology reflects a decoupling of diversification dynamics between life stages remains unknown. Here we investigate the evolutionary dynamics of locomotor morphology between adult and juvenile triggerfishes. We integrate a time-calibrated phylogenetic framework with geometric morphometric approaches and measurement data of fin aspect ratio and incidence, and reveal a mismatch between morphospace occupancy, the evolution of morphological disparity, and the tempo of trait evolution between life stages. Collectively, our results illuminate how the heterogeneity of morpho-functional adaptations can decouple the mode and tempo of morphological diversification between ontogenetic stages.
Research Center/Unit :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège [BE]
Disciplines :
Aquatic sciences & oceanology
Zoology
Environmental sciences & ecology
Life sciences: Multidisciplinary, general & others
Author, co-author :
Dornburg, Alex ;  University of North Carolina at Charlotte, Charlotte, NC, USA
Zapfe, Katerina L;  University of North Carolina at Charlotte, Charlotte, NC, USA
Williams, Rachel;  School of Natural Sciences, Bangor University, UK
Alfaro, Michael E;  Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
Morris, Richard;  North Carolina Museum of Natural Sciences, Raleigh, NC, USA
Adachi, Haruka;  North Carolina Museum of Natural Sciences, Raleigh, NC, USA
Flores, Joseph;  North Carolina Museum of Natural Sciences, Raleigh, NC, USA
Santini, Francesco;  Associazione Italiana per lo Studio della Biodiversità, Pisa, 56100, Italy
Near, Thomas J;  Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT, USA
Frederich, Bruno  ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS) ; Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Ecologie évolutive
Language :
English
Title :
Considering decoupled phenotypic diversification between ontogenetic phases in macroevolution: An example using Triggerfishes (Balistidae).
Publication date :
15 March 2024
Journal title :
Systematic Biology
ISSN :
1063-5157
eISSN :
1076-836X
Publisher :
Oxford University Press (OUP), England
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NSF - National Science Foundation [US-VA]
Funding text :
NSF GRFP research
Available on ORBi :
since 21 May 2024

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