ArticleScientific reports2015
Evolution of opercle shape in cichlid fishes from Lake Tanganyika - adaptive trait interactions in extant and extinct species flocks.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 22 citations in OpenAlex.
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- Inter - and intraspecific phenotypic variation in co-occurring invasive and introduced cyprinid fish species.Saudi journal of biological sciences · 2024Article
- Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber.Swiss journal of palaeontology · 2023Article
- Sexual dimorphism in an adaptive radiation: Does intersexual niche differentiation result in ecological character displacement?Ecology and evolution · 2021Article
- Developmental tuning of mineralization drives morphological diversity of gill cover bones in sculpins and their relatives.Evolution letters · 2019Article
- Study of morphological variation of northern Neotropical Ariidae reveals conservatism despite macrohabitat transitions.BMC evolutionary biology · 2018Article
- The evolution of the platyrrhine talus: A comparative analysis of the phenetic affinities of the Miocene platyrrhines with their modern relatives.Journal of human evolution · 2017Article
- A rich diversity of opercle bone shape among teleost fishes.PloS one · 2017Article
- Evolution of opercle bone shape along a macrohabitat gradient: species identification using mtDNA and geometric morphometric analyses in neotropical sea catfishes (Ariidae).Ecology and evolution · 2016Article
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4 authors at 3 institutions in 2 countries.
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Abstract
Phenotype-environment correlations and the evolution of trait interactions in adaptive radiations have been widely studied to gain insight into the dynamics underpinning rapid species diversification. In this study we explore the phenotype-environment correlation and evolution of operculum shape in cichlid fishes using an outline-based geometric morphometric approach combined with stable isotope indicators of macrohabitat and trophic niche. We then apply our method to a sample of extinct saurichthyid fishes, a highly diverse and near globally distributed group of actinopterygians occurring throughout the Triassic, to assess the utility of extant data to inform our understanding of ecomorphological evolution in extinct species flocks. A series of comparative methods were used to analyze shape data for 54 extant species of cichlids (N = 416), and 6 extinct species of saurichthyids (N = 44). Results provide evidence for a relationship between operculum shape and feeding ecology, a concentration in shape evolution towards present along with evidence for convergence in form, and significant correlation between the major axes of shape change and measures of gut length and body elongation. The operculum is one of few features that can be compared in extant and extinct groups, enabling reconstruction of phenotype-environment interactions and modes of evolutionary diversification in deep time.
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