Metabolism, Consumption Rates, and Scope for Growth of Porcelain Crab (Petrolisthes galathinus)

McGlaun, Kimberly A.; Withers, Kim

doi:10.18785/goms.3001.01

Cited by 6 publications

(6 citation statements)

References 34 publications

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“…). SFG has also been applied to other aquatic invertebrates such as crabs (Mcglaun & Withers ) and sea urchins (Stumpp et al . ).…”

Section: Modelling Performance Measures Of Cultured Speciesmentioning

confidence: 99%

“…SFG measures have been very common in shellfish studies to investigate feeding physiology (Bayne et al 1978;MacDonald et al 1998;Stead et al 2003;Wong & Cheung 2003;Shin et al 2009;Arrieche et al 2011;Albentosa et al 2012a), environmental effects (Gonzalez et al 2002;Sobral & Fernandes 2004;Helson & Gardner 2007;Wang et al 2011;Albentosa et al 2012b;Guzman-Agueero et al 2013;Navarro et al 2013;Sanders et al 2014) and ecotoxicology (Widdows et al 2002;Halldorsson et al 2005;El-Shenawy et al 2006;Burt et al 2007;Mubiana & Blust 2007;Munari & Mistri 2007;Neuberger-Cywiak et al 2007). SFG has also been applied to other aquatic invertebrates such as crabs (Mcglaun & Withers 2012) and sea urchins (Stumpp et al 2011). As in shellfish ecology studies, SFG is also common in shellfish aquaculture studies (Navarro et al 1991;Okumus ß & Stirling 1994;Newell et al 1998;Gibbs 2007;Sar a & Pusceddu 2008).…”

Section: Scope For Growth (Sfg)mentioning

confidence: 99%

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Performance measures and models for open‐water integrated multi‐trophic aquaculture

Reid

Lefebvre

Filgueira

et al. 2018

Reviews in Aquaculture

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Qualifying and quantifying nutrient flows within open‐water Integrated Multi‐Trophic Aquaculture (IMTA) systems is necessary to determine transfer efficiencies and to assess overall system performance. There are numerous empirical performance metrics, such as spatially defined growth and nutrient sequestration, which may have application. When used in combination with modelling techniques, empirical approaches can be a powerful tool for system assessment or prediction. Simple empirical growth models, such as the thermal‐growth coefficient (TGC) and scope for growth (SFG), are applicable to aquatic animals and can include nutritional mass‐balance approaches to estimate nutrient loads. Comparable empirical growth models exist for seaweeds. Mechanistic‐based dynamic growth and reproduction models, such as Dynamic Energy Budget (DEB), are more complex, but have application beyond site‐specific empirical models and can, therefore, be included into larger ecosystem models for application to IMTA. Proximity, ecological transfer efficiencies, particle dynamics, species culture ratios and the timing of multi‐species production cycles can have profound implications for IMTA effectiveness and require careful consideration for system assessment. This review provides a pragmatic evaluation of performance measures and models to assess nutrient transfer and growth in open‐water IMTA systems.

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“…). SFG has also been applied to other aquatic invertebrates such as crabs (Mcglaun & Withers ) and sea urchins (Stumpp et al . ).…”

Section: Modelling Performance Measures Of Cultured Speciesmentioning

confidence: 99%

Section: Scope For Growth (Sfg)mentioning

confidence: 99%

Performance measures and models for open‐water integrated multi‐trophic aquaculture

Reid

Lefebvre

Filgueira

et al. 2018

Reviews in Aquaculture

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“…Achituv and Pedrotti (1999) determined that active feeding on phytoplankton under differing flow conditions enhanced energy acquired by porcelain crabs. Interpretation of feeding selectivity is difficult in laboratory studies, since animals are limited to food provided in terms of type, quality, and quantity (McGlaun and Withers 2012). While Johnson and Freeman (2005) suggest that P. elongatus has too little chitinase available to digest zooplankters, P. galathinus ate Artemia spp.…”

Section: Introductionmentioning

confidence: 99%

“…While Johnson and Freeman (2005) suggest that P. elongatus has too little chitinase available to digest zooplankters, P. galathinus ate Artemia spp. nauplii enthusiastically in laboratory experiments (McGlaun and Withers 2012). Crabs fed an animal-only diet exhibited metabolic rates that were orders of magnitude higher than crabs fed phytoplankton or mixed microalgae.…”

Section: Introductionmentioning

confidence: 99%

Benthic microalgae serve as the major food resource for porcelain crabs (Petrolisthes spp.) in oyster reefs: Digestive track content and pigment evidence

Zimba

Hill

Withers

2016

Journal of Experimental Marine Biology and Ecology

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Suspension-feeding porcelain crabs (Petrolisthes spp.) are often the most abundant decapod crustaceans in oyster reef habitat. Analysis of water column and subtidal algal biomass from three Texas estuaries suggests that planktonic food resources are insufficient for porcelain crab growth. Pigment composition of porcelain crab muscle and digestive track contents included the diatom pigment fucoxanthin and cyanobacterial pigment canthaxanthin with digestive track samples containing attached (adnate) benthic diatoms as well as benthic cyanobacteria not found in the water column. Feeding appendages on porcelain crabs include numerous cirri with serrated edges as well as fewer more brush-like longer units. Benthic food resources are in sufficient supply to support porcelain crab biomass.

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“…Petrolisthes spp. are mainly suspension feeders, using their third pair of maxillipeds covered in setae that form a fan-like structure (Achituv & Pedrotti, 1999) and can sweep the water column for microalgae, detritus and other small particles (McGlaun & Withers, 2012;Zimba et al, 2016). Though, they have also been observed to catch and shred worms using their chelipeds to then consume (Walsby, 1990).…”

Section: Porcelain Crabs (Petrolisthes Spp)mentioning

confidence: 99%

Behavioural Competition in the Intertidal Shore Crab, Petrolisthes elongatus

Yeoh¹

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<p>Competition is a well-documented ecological interaction that underpins community structures and much of population ecology. Physical characteristics such as size, age, sex and weaponry all have an important part to play in how an organism competes, and for many animals, competition is mediated by behavioural patterns. Outcomes of these competitive interactions are not only driven by these characteristics, but by the environmental conditions and external pressures that influence them. The focal species of my study is Petrolisthes elongatus (H. Milne Edwards, 1837), a porcellanid crab that aggregates in high densities among cobblestone beaches along the intertidal shores of New Zealand and Tasmania. They utilize rocks and crevices as shelter spaces to protect themselves from environmental and predation pressures, displaying variation in physical characteristics, such as sexual dimorphism and autotomy, as well as high levels of behavioural complexity. I used laboratory experiments with crabs collected from the field and placed them in shelter-limited tanks under the following comparisons; 1) adult and juvenile males, 2) males and females, 3) ovigerous and non-ovigerous females, and 4) autotomized and non-autotomized males. For each of these experiments I used three different environmental conditions; 1) a control high tide, 2) a low tide treatment (where water was drained from the experimental tank), and 3) with the presence of a predator, a juvenile spiny rock lobster (Jasus edwarsii). Each experiment was recorded for 8 hours, where time spent under shelter and shoving interactions among individuals were counted. In the adult vs. juvenile and male vs. female experiments, smaller individuals spent a significantly more time under shelter than larger conspecifics, but increasing size resulted in more time spent under shelter in the autotomized vs. non-autotomized experiment. In all experiments, smaller individuals initiated the least amount of competitive interactions, and each size class was more likely to displace a smaller individual from a shelter, than a larger one. There was no significant difference in the time spent under shelter between males and females, but ovigerous females and autotomized males spent significantly more time under shelter than their respective competitors. Males also engaged in more shoving interactions than females, with smaller classes of males displacing larger classes of females from shelter spaces. Ovigerous females also outcompeted non-ovigerous conspecifics in the large majority of competitive interactions, and autotomized individuals engaged in significantly more contests than non-autotomized conspecifics. In all experiments, the presence of a predator had no effect on the number of shoving interactions and only resulted in an increase in time spent under shelter for individuals in the male vs. female and ovigerous vs. non-ovigerous experiments. A field survey on body to cheliped size ratios, autotomy and claw punctures counts was also conducted in support of the shelter-competition experiments. Crabs were collected over a one-month period in November 2018, brought back to the lab to be sexed, measured (Carapace Width, BW; and Cheliped Length, CL) and then surveyed for autotomy and claw puncture wounds. Juveniles of both sex (BW =</p>

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Metabolism, Consumption Rates, and Scope for Growth of Porcelain Crab (Petrolisthes galathinus)

Cited by 6 publications

References 34 publications

Performance measures and models for open‐water integrated multi‐trophic aquaculture

Performance measures and models for open‐water integrated multi‐trophic aquaculture

Benthic microalgae serve as the major food resource for porcelain crabs (Petrolisthes spp.) in oyster reefs: Digestive track content and pigment evidence

Behavioural Competition in the Intertidal Shore Crab, Petrolisthes elongatus

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