ArticleProceedings. Biological sciences2019
Pleiotropic jaw morphology links the evolution of mechanical modularity and functional feeding convergence in Lake Malawi cichlids.
Article in Proceedings. Biological sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 34 citations in OpenAlex.
- The Early Development of the Blue-Eye Cichlid, Cryptoheros spilurus (Cichliformes: Cichlidae).Evolution & development · 2025Article
- A whole-body micro-CT scan library that captures the skeletal diversity of Lake Malawi cichlid fishes.Scientific data · 2024Article
- Meristic co-evolution and genomic co-localization of lateral line scales and vertebrae in Central American cichlid fishes.Ecology and evolution · 2024Article
- A new theoretical performance landscape for suction feeding reveals adaptive kinematics in a natural population of reef damselfish.The Journal of experimental biology · 2022Article
- Between a Rock and a Hard Polytomy: Phylogenomics of the Rock-Dwelling Mbuna Cichlids of Lake Malaŵi.Systematic biology · 2022Article
- Phylogenomic Analyses Show Repeated Evolution of Hypertrophied Lips Among Lake Malawi Cichlid Fishes.Genome biology and evolution · 2022Article
- The repeated evolution of stripe patterns is correlated with body morphology in the adaptive radiations of East African cichlid fishes.Ecology and evolution · 2022Article
- Wing Musculature Reconstruction in Extinct Flightless Auks (Integrative organismal biology (Oxford, England) · 2021Article
- A geographical cline in craniofacial morphology across populations of Mesoamerican lake-dwelling fishes.Journal of experimental zoology. Part A, Ecological and integrative physiology · 2020Article
- Pleiotropic jaw morphology links the evolution of mechanical modularity and functional feeding convergence in Lake Malawi cichlids.Proceedings. Biological sciences · 2019Article
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Authors and funding
5 authors at 3 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Complexity in how mechanistic variation translates into ecological novelty could be critical to organismal diversification. For instance, when multiple distinct morphologies can generate the same mechanical or functional phenotype, this could mitigate trade-offs and/or provide alternative ways to meet the same ecological challenge. To investigate how this type of complexity shapes diversity in a classic adaptive radiation, we tested several evolutionary consequences of the anterior jaw four-bar linkage for Lake Malawi cichlid trophic diversification. Using a novel phylogenetic framework, we demonstrated that different mechanical outputs of the same four jaw elements are evolutionarily associated with both jaw protrusion distance and jaw protrusion angle. However, these two functional aspects of jaw protrusion have evolved independently. Additionally, although four-bar morphology showed little evidence for attraction to optima, there was substantial evidence of adaptive peaks for emergent four-bar linkage mechanics and jaw protrusion abilities among Malawi feeding guilds. Finally, we highlighted a clear case of two cichlid species that have -independently evolved to graze algae in less than 2 Myr and have converged on similar jaw protrusion abilities as well as four-bar linkage mechanics, but have evolved these similarities via non-convergent four-bar morphologies.
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