Soldier crab (Dotilla myctiroides) distribution, food resources and subsequent role in organic matter fate in Ao Tang Khen, Phuket, Thailand

Takagi, Kimberly K.; Cherdsukjai, Phaothep; Mimura, Izumi; Yano, Yuka; Adulyanukosol, Kanjana; Tsuchiya, Makoto

doi:10.1016/j.ecss.2010.02.011

Cited by 11 publications

(5 citation statements)

References 24 publications

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“…Protein (%) Fat (%) Ash (%) 74.8 ± 0.9 11.4 ± 0.3 1.1 ± 0.1 9.4 ± 0.3 acids profile in the crab meat was somewhat different from that in the hepatopancreas, as arachidonic acid (20:4n-6) was also one of the major PUFA in the hepatopancreas besides DHA and EPA (Takagi et al 2010).…”

Section: Moisture (%)mentioning

confidence: 95%

“…Although there are some reports about the metal-accumulating ability of the soldier crab (Yeh et al 2009), soldier crab food resources and its influence on the fatty acid composition of the crab tissue (Takagi et al 2010), to the best of our knowledge, there is no research concerning the nutritional quality of soldier crab. The objectives of the present study were to analyse the chemical characteristics and evaluate the nutritional quality of soldier crab.…”

Section: Introductionmentioning

confidence: 99%

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Soldier crab (Mictyris brevidactylus), a resource of nutritional food material

Liu

Chen

2020

Journal of Applied Animal Research

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The chemical composition and nutritional quality in the meat of soldier crab (Mictyris brevidactylus) were analysed and evaluated. Soldier crab was rich in phosphorus, calcium and magnesium, and also was a good mineral source of copper, iron and zinc. The major fatty acids were docosahexaenoic acid (22:6n-3), eicosapentaenoic acid (20:5n-3) and palmitic acid (16:0). Crab meat was an n-3 polyunsaturated fatty acids (PUFAs)-rich food, as the ratio of n-3/n-6 PUFAs was 3.10. Glutamic acid (204 mg/g of protein) was the dominant amino acid in soldier crab protein, followed by glycine (162 mg/g), aspartic acid (100 mg/g), lysine (87 mg/g), leucine (84 mg/g) and alanine (82 mg/g), and the contents of methionine, histidine, serine and cysteine were low. Tryptophan and methionine were the first and second limiting amino acid, respectively, in soldier crab. The ratio of essential to non-essential amino acids was 0.58. The results indicated that soldier crab could be an ideal resource of nutritional food material with a desirable chemical composition.

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Section: Moisture (%)mentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Soldier crab (Mictyris brevidactylus), a resource of nutritional food material

Liu

Chen

2020

Journal of Applied Animal Research

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“…Chapman and Reiss (1999) discussed the mechanism of forming inflated sand bubbles through egestion of indigestible wet sand grains by Dotilla. Their ability to modify food resources biochemically (Takagi et al, 2010), habitat segregation vis-à-vis cellulase activity (Kawaida et al, 2013) and visual image processing by compound eyes (Zeil and Hemmi, 2010) were well addressed. Algorithmic framework was used to generate visual art based on the collective feeding behavior and feeding pellet designs of the sand bubbler crabs on sandy beaches (Richter, 2018).…”

Section: Introductionmentioning

confidence: 99%

Ethological interpretation of making the pellet designs by the bubbler crab Dotilla on the modern intertidal beaches: A study from the Bay of Bengal coast, Eastern India

2024

Palaeontol Electron

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Prolific growth of the feeding pellet designs (radial, concentric, concentric-radial, petaloid, asteroid and leaf-shaped at individual and mossy and mat at community levels) of the tiny bubbler crabs Dotilla on the intertidal beach of the Bay of Bengal coast has been attributed to burrow protection measure against their common predators (similar sized conspecific and heterospecific crabs) as a new neoichnological perception. With progressive feeding, the crabs increase the SI scores, a newly proposed security index, of their pellet designs through structural transformation, conjugation and merging of pellet designs, besides construction of pellet barricades. Four specialized substrate exploration techniques (sector of a circle, radially diverging, concentric and combined concentric-radial feeding modes) have been identified that ensure, as per prevailing conception, optimum food collection, economic substrate utilization and minimum chance of re-exploration of already explored area.The delicate pellet structures, despite having poor preservation potential, can be preserved in the sedimentary records in special circumstances, such as, ex situ preservation as pellet-filled burrows, ripple troughs and mud cracks and in situ preservation of the pellet mats through microbial stabilization following algal blooms and storm deposition. Geologically, the preserved Dotilla pellet spread and burrows ichnozone, besides confirming shallow-marine littoral settings, delineates the positions of ancient upper intertidal flat, land and sea, palaeo-hightide level and palaeo-shoreline configuration, i.e., data important for basin analysis. Stratigraphic disposition of the microbially stabilized pellet mats relative to different coastal facies helps interpret transgression and regression events of the palaeo-sea, besides episodic storm deposition and algal blooms.

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“…Deposit‐feeding crabs, such as fiddler crabs and dotillid crabs, feed on particulate organic matter in substrates derived from decomposed organic materials, vascular plants, microalgae, bacteria, and small interstitial organisms (Allen, 2010; Davie et al, 2015). In mudflats and sand flats, various species of deposit‐feeding dotillid crabs can be found, with some species inhabiting sand substrates (Gherardi et al, 2002; Lee & Lim, 2004; Takagi et al, 2010), some inhabiting mud substrates (Kitaura & Wada, 2006; Trivedi et al, 2015), and others inhabiting sandy mud substrates (Trivedi & Vachhrajani, 2018). The morphology of the feeding apparatus in these crabs, including the chelipeds, mouthpart appendages, and gastric mills, is related to the structure of sediment composition in the substrate in which they live.…”

Section: Introductionmentioning

confidence: 99%

Morphology of the gastric mill teeth in dotillid crabs (Crustacea: Brachyura: Dotillidae) from Indonesia

Murniati

Asakura

Nakano

et al. 2023

Journal of Morphology

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The gastric mill is a prominent structure in the digestive system of brachyuran crabs, consisting of a median tooth plate and a pair of lateral tooth plates. Among crab species that are deposit feeders, the morphology and size of the gastric mill teeth are correlated with the preferred substrate types and food spectrum. In this study, we provide a detailed description of the morphology of the median and lateral teeth of the gastric mills in eight species of dotillid crabs from Indonesia, and compare them in relation to habitat preferences and molecular phylogeny.Ilyoplax delsmani, Ilyoplax orientalis, and Ilyoplax strigicarpus have comparatively simple shapes of their median and lateral teeth, with fewer teeth on each lateral tooth plate compared to Dotilla myctiroides, Dotilla wichmanni, Scopimera gordonae, Scopimera intermedia, and Tmethypocoelis aff. ceratophora, which have more complexly shaped median and lateral teeth, with a greater number of teeth on each lateral tooth plate. The number of teeth on lateral tooth correlates with habitat preference, that is, dotillid crabs inhabiting muddy substrata have fewer teeth on the lateral tooth plate, and those inhabiting sandy substrata have a more teeth. Phylogenetic analysis using partial COI and 16S rRNA genes supports that teeth morphology is similar among closely related species. Therefore, the description of median and lateral teeth of the gastric mill is expected to contribute to the systematic study of dotillid crabs.

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Soldier crab (Dotilla myctiroides) distribution, food resources and subsequent role in organic matter fate in Ao Tang Khen, Phuket, Thailand

Cited by 11 publications

References 24 publications

Soldier crab (Mictyris brevidactylus), a resource of nutritional food material

Soldier crab (Mictyris brevidactylus), a resource of nutritional food material

Ethological interpretation of making the pellet designs by the bubbler crab Dotilla on the modern intertidal beaches: A study from the Bay of Bengal coast, Eastern India

Morphology of the gastric mill teeth in dotillid crabs (Crustacea: Brachyura: Dotillidae) from Indonesia

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