ArticleScientific reports2017
Biomechanical properties of predator-induced body armour in the freshwater crustacean Daphnia.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 24 citations in OpenAlex.
- Computational Fluid Dynamics Reveal Hydromechanical Adaptations ofEcology and evolution · 2026Article
- Ontogenetic Sequence of Differential Gene Expression in Predator-Induced Daphnia pulex.Molecular ecology · 2026Article
- Predator-induced shape plasticity inEcology and evolution · 2024Article
- Antipredator responses of threeEcology and evolution · 2024Article
- Distinct cell proliferation patterns underlying the development of defensive crests inHeliyon · 2022Article
- Facing the Green Threat: A Water Flea's Defenses against a Carnivorous Plant.International journal of molecular sciences · 2022Article
- Pricklier with the proper predator? Predator-induced small-scale changes of spinescence inEcology and evolution · 2021Article
- Thwarting predators? A three-dimensional perspective of morphological alterations in the freshwater crustacean Daphnia.PloS one · 2021Article
- Uncovering the chemistry behind inducible morphological defences in the crustacean Daphnia magna via micro-Raman spectroscopy.Scientific reports · 2020Article
- Insights into the genetic basis of predator-induced response inEcology and evolution · 2020Article
- Ecology of predator-induced morphological defense traits in Daphnia longispina (Cladocera, Arthropoda).Oecologia · 2020Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The freshwater crustacean Daphnia is known for its ability to develop inducible morphological defences that thwart predators. These defences are developed only in the presence of predators and are realized as morphological shape alterations e.g. 'neckteeth' in D. pulex and 'crests' in D. longicephala. Both are discussed to hamper capture, handling or consumption by interfering with the predator's prey capture devices. Additionally, D. pulex and some other daphniids were found to armour-up and develop structural alterations resulting in increased carapace stiffness. We used scanning transmission electron microscopy (STEM) and confocal laser scanning microscopy (CLSM) to identify predator-induced structural and shape alterations. We found species specific structural changes accompanying the known shape alterations. The cuticle becomes highly laminated (i.e. an increased number of layers) in both species during predator exposure. Using nano- and micro-indentation as well as finite element analysis (FEA) we determined both: the structure's and shape's contribution to the carapace's mechanical resistance. From our results we conclude that only structural alterations are responsible for increased carapace stiffness, whereas shape alterations appear to pose handling difficulties during prey capture. Therefore, these defences act independently at different stages during predation.
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