Heavy Metal Accumulation in the Intestinal Tapeworm Proteocephalus macrophallus Infecting the Butterfly Peacock Bass (Cichla ocellaris), from Southeastern Brazil

Here we evaluate the potential of heavy metal accumulation of Proteocephalus macrophallus parasitizing the Butterfly Peacock Bass ( Cichla ocellaris ). A total of 19 fish specimens were collected. From the hosts, samples of intestine, liver, muscle, and parasites were taken. Heavy metal concentratio...

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Bibliographic Details
Published in:	Bulletin of environmental contamination and toxicology Vol. 103; no. 5; pp. 670 - 675
Main Authors:	Leite, Lucas A. R., Januário, Felipe F., Padilha, Pedro M., do Livramento, Emmyle T. C., de Azevedo, Rodney K., Abdallah, Vanessa D.
Format:	Journal Article
Language:	English
Published:	New York Springer US 01-11-2019 Springer Nature B.V
Subjects:	Accumulation Aluminum Animals Aquatic Pollution Atomic absorption analysis Atomic absorption spectroscopy Bass Bioaccumulation BIOLOGICAL ACCUMULATION Biological magnification BRAZIL Butterflies & moths Cadmium Cestoda - isolation & purification Cestoda - metabolism CESTODES Chromium Cichla ocellaris Cichlids - parasitology Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental Monitoring - methods ENVIRONMENTAL SCIENCES HEAVY METALS Intestine INTESTINES Intestines - chemistry Iron Lead LIVER Magnesium Manganese Mercury (metal) Metal concentrations Metals, Heavy - analysis MUSCLES Nickel Parasites Pollution Proteocephalus macrophallus Seafood - analysis Soil Science & Conservation Spectral analysis Spectrometry Titanium Waste Water Technology Water Management Water Pollutants, Chemical - analysis Water Pollution Control Zinc Brazil South America Bioaccumulation patterns Tucunaré Environmental parasitology Fish endoparasites
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Summary:	Here we evaluate the potential of heavy metal accumulation of Proteocephalus macrophallus parasitizing the Butterfly Peacock Bass ( Cichla ocellaris ). A total of 19 fish specimens were collected. From the hosts, samples of intestine, liver, muscle, and parasites were taken. Heavy metal concentrations (Al, As, Ba, Cd, Cr, Fe, Hg, Mg, Mn, Ni, Pb, Ti, and Zn) were obtained using Atomic Absorption Spectrometry. All analyzed elements was found in higher concentrations in the parasites comparing to its host tissues. The bioconcentration factors were higher in the intestine, varying between 5.91 (Ti) to 8.00 (Ba), followed by the muscle, 1.88 (Mg) to 6.39 (Zn), and liver, 1.67 (Al) to 2.02 (Ba). These results show that at the infection site heavy metal concentrations are reduced, since the elements are absorbed directly from the intestinal wall by the parasites. In general, P. macrophallus presents a reasonable capacity of metal accumulation comparing to its hosts.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0007-4861 1432-0800
DOI:	10.1007/s00128-019-02704-z