Experimental predatory behavior of the stone crab Eriphia verrucosa (Forskål, 1775) (Decapoda, Brachyura, Eriphiidae)

Pérez-Miguel, Marta; Drake, Pilar; Cuesta, José A.

doi:10.1590/2358-2936e2017033

Cited by 13 publications

(5 citation statements)

References 30 publications

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“…There is evidence that rootlets of the interna penetrate the neural ganglia within the ventral nervous cord of the host [40][41][42] . This is consistent with the significant metabolic and behavioural changes that infected crabs start to exhibit involving hormonal balance, respiration rate, hiding behavior, food consumption rate, aggressiveness and many others [34][35][36][37][38][39] . One may conjecture that there should be significant differences in histological structure and ultrastructure of the specialized rootlets invading the neural tissue and the trophic rootlets located within the body cavity of the host 6,26,27,29,[40][41][42] .…”

Section: Rhizocephalan Barnacles Are a Unique Group Of Endoparasitic supporting

confidence: 74%

“…The infestation by rhizocephalans reduces the level of aggressiveness and general activity of the infected crabs which might be considered a sort of manipulation also aimed at protecting the externa from damage [34][35][36][37][38] . At the same time, the voracity of the infected individuals increases 39 .…”

Section: Rhizocephalan Barnacles Are a Unique Group Of Endoparasitic mentioning

confidence: 96%

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Specialized structures on the border between rhizocephalan parasites and their host’s nervous system reveal potential sites for host-parasite interactions

Miroliubov

Borisenko

Nesterenko

et al. 2020

Sci Rep

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Rhizocephalan barnacles are a unique group of endoparasitic crustaceans. In their extreme adaptation to endoparasitism, rhizocephalan adults have lost almost all features of their free-living relatives but acquired an outstanding degree of control over the body of their hosts (mostly decapods). The subtle influence exercised by rhizocephalans on the physiology, morphology and behaviour of their hosts is a vivid example of the most intimate host-parasite interactions but their mechanisms are very poorly known. In this study we examined the morphology and the adaptive ultrastructure of the organs invading the nervous system of the host in two rhizocephalan species from the families Peltogastridae, (Peltogaster paguri) and Peltogasterellidae (Peltogasterella gracilis). We found two essentially different types of structures involved in interactions of these two rhizocephalans with the nervous system of their hosts: modified rhizocephalan rootlets lying inside the ganglia and the neural fibres of the host enlacing the trophic rootlets of the parasites. We suggest that both these structures may be highly specialized tools allowing the parasite to interact with the host on the humoral level via neuromediators, hormones, attractants and trophic factors.

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Section: Rhizocephalan Barnacles Are a Unique Group Of Endoparasitic supporting

confidence: 74%

Section: Rhizocephalan Barnacles Are a Unique Group Of Endoparasitic mentioning

confidence: 96%

Specialized structures on the border between rhizocephalan parasites and their host’s nervous system reveal potential sites for host-parasite interactions

Miroliubov

Borisenko

Nesterenko

et al. 2020

Sci Rep

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“…Experimental approaches have ranged from virtual methods of mathematically modelling stress distributions [see Lemanis & Zlotnikov, 2018 for a review of and introduction to Finite Element Analysis] to live feeding experiments (e.g. Palmer, 1979; Boulding, 1984; Ray & Stoner, 1995; Whitenack & Herbert, 2015; Pérez‐Miguel, Drake & Cuesta, 2017). Herein, I review applications of experimental compression tests that determine the maximum force a shell can withstand before breaking.…”

Section: Shells As Defences Against Predatorsmentioning

confidence: 99%

Breaking down shell strength: inferences from experimental compression and future directions enabled by3Dprinting

Johnson

2021

Biological Reviews

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Mollusc and brachiopod shells have served as biological armour for hundreds of millions of years. Studying shell strength in compression experiments can provide insights into macroevolution, predator–prey dynamics, and anthropogenic impacts on aquatic ecosystems. These studies have been conducted across fields including palaeontology, ecology, conservation biology and engineering using a range of techniques for a variety of purposes. Using this approach, studies have demonstrated that predators can cause changes in prey shell morphology in the laboratory over both short timescales and over longer evolutionary timescales. Similarly, environmental factors such as nutrient concentration and ocean acidification have been shown to influence shell strength. Experimental compression tests have been used to study the functional morphology of shell‐crushing predators and to test how the taphonomic state of shells (e.g. presence of drill holes, degree of shell degradation) may influence their likelihood of being preserved in the fossil record. This review covers the basic principles and experimental design of compression tests used to infer shell strength. Although many investigations have used this methodology, few provide a detailed explanation of how meaningfully to interpret data generated using compression experiments for those unfamiliar with this method. Furthermore, this review provides a compilation of the findings of studies that have employed these experimental methods to address specific themes: taphonomy, morphology, predation, environmental variables, and climate change. Many authors have used experimental compression tests, however, disparities among methodologies (e.g. in experimental design, taxa, specimen preservation, etc.) limit the applicability of findings from taxon‐specific studies to broader eco‐evolutionary questions. The review highlights confounding factors, such as shell thickness, size, damage, microstructure, and taphonomic state, and address how they can be mitigated using three‐dimensional (3D)‐printed model shells. 3D prints have been demonstrated as valuable proxies for understanding aspects of shell morphology that cannot otherwise be experimentally isolated. Using 3D printed models allows simplification of complex biological systems for idealized experimental studies. Such studies can isolate specific aspects of shell morphology to establish fundamental relationships between form and function. Establishing standardized methods of testing shell strength in this way will not only permit comparison across studies but also will enable investigators systematically to add complexity to their models.

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“…The externa is a temporarily formed structure containing the female's reproductive system (Høeg, 1995;Bresciani, Høeg, 2001). Nowadays there are numerous papers on the phylogeny, development, evolution, parasite-host interactions, and others aspects of the rhizocephalan biology (Alvarez et al, 1995(Alvarez et al, , 2002Høeg, 1995;Bresciani, Høeg, 2001;Graham, 2001;Bortolini, Alvarez, 2008;Kristensen et al, 2012;Belgrad, Griffen, 2015;Nagler et al, 2017;Pérez-Miguel, 2017;Lützen et al, 2018;Zacher, 2018). However, morphology of interna is still poorly described, especially in the terms of the muscular system.…”

Section: Introductionmentioning

confidence: 99%

Muscular system in the interna of Polyascus polygenea and Sacculina pilosella (Cirripedia: Rhizocephala: Sacculinidae)

et al. 2019

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Rhizocephala is a group of unique and highly specialized parasitic crustaceans. Due to specialization in endoparasitism adult rhizocephalans have lost almost all the traits of free-living crustaceans. Despite large amount of data on different aspects of their biology there is still insufficient knowledge of their interna morphology. The muscular system in interna has been found and described only for Peltogaster paguri from the family Peltogastridae. The aim of our study is to visualize and describe muscular system in the interna of Polyascus polygenea and Sacculina pilosella (family Sacculinidae). Representatives of both species have similar type of muscular system, which is significantly different from that in P. paguri. The muscular system of the sacculinids consists of muscular rosettes located within the body wall of each rootlet. Muscle fibers in these rosettes are oriented in different directions. Tiny muscular processes connect the rosettes to each other. These contractile elements form a joint net-like muscular system. We suggest that this muscular system provides peristaltic movement of the roots and transports nutrients within the interna.

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Experimental predatory behavior of the stone crab Eriphia verrucosa (Forskål, 1775) (Decapoda, Brachyura, Eriphiidae)

Cited by 13 publications

References 30 publications

Specialized structures on the border between rhizocephalan parasites and their host’s nervous system reveal potential sites for host-parasite interactions

Specialized structures on the border between rhizocephalan parasites and their host’s nervous system reveal potential sites for host-parasite interactions

Breaking down shell strength: inferences from experimental compression and future directions enabled by3Dprinting

Muscular system in the interna of Polyascus polygenea and Sacculina pilosella (Cirripedia: Rhizocephala: Sacculinidae)

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