Alterations in Morphometric and Organosomatic Indices and Histopathological Analyses Indicative of Environmental Contamination in Mullet, Mugil liza, from Southeastern Brazil

Hauser‐Davis, Rachel Ann; Lavandier, Ricardo; Bastos, Frederico F.; Oliveira, Tatianne Ferreira de; Ribeiro, Ciro Alberto de Oliveira; Ziolli, Roberta Lourênço; Campos, Reinaldo Calixto de

doi:10.1007/s00128-012-0846-x

Cited by 12 publications

(2 citation statements)

References 15 publications

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“…In biomonitoring studies, analysis of the bioindicator species can be performed through a group of biological responses, called biomarkers, which may determine the degree of impact on the health of the biota as well as identify the potential stressors responsible (van der Oost et al, 2003;Hauser-Davis et al, 2012). Bioindicators and biomarkers have been used to assess contamination of impacted areas (Paulino et al, 2014;Nimet et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Histopathological alterations in Astyanax bifasciatus (Teleostei: Characidae) correlated with land uses of surroundings of streams

2018

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This study evaluated gills and liver of Astyanax bifasciatus as histological biomarkers for biomonitoring of streams along areas with different land uses. The fish were collected by electrofishing in six streams in the basin of the lower Iguaçu River. The objective was to correlate the presence and degree of histopathological alterations of gills and liver with the environmental variables among streams along different land uses. The low frequency of histopathological alterations found in fish from the forest streams suggested normal organ functioning. In fish from the rural and urban streams, the histopathological alterations occurred were in higher frequency, indicated light to moderate damage in gills and liver of fish from the rural streams, and moderate to severe damage in liver of fish from urban streams. The histopathological alterations in gills (lamellar aneurysm) and livers (vascular congestion) verified in impacted streams were significantly more frequent and severe. It was possible to distinguish streams along different land uses, suggesting that these histopathological alterations can be used as biomarkers for biomonitoring studies. The health integrity of fish from streams in forest areas further reinforces the importance of maintaining preservation areas in basins under intensive land use.

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Section: Introductionmentioning

confidence: 99%

Histopathological alterations in Astyanax bifasciatus (Teleostei: Characidae) correlated with land uses of surroundings of streams

2018

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“…Diversos estudios se han llevado a cabo sobre aspectos biológicos y ecológicos de esta especie, focalizados mayormente en su crecimiento (Okamoto et al, 2006;Garbin et al, 2014), reproducción (Esper y Esper, 2001;González-Castro et al, 2011), abundancia (Araújo Silva y Araújo, 2000) y parásitos (Knoff et al, 1994;Knoff et al, 1997;Alarcos y Etchegoin, 2010). También se ha propuesto la utilización de M. liza como bioindicador de contaminación (Marcovecchio, 2004;Hauser-Davis et al, 2012).…”

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Aplicación de los otolitos en el estudio de la interconectividad de stocks pesqueros de mugílidos de zonas costeras de la provincia de Buenos Aires, Argentina y de la costa Valenciana, España.

Fortunato¹,

Glenda²

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Otolith use in the study of fish stock connectivity of mugilids in coastal areas of Buenos Aires province, Argentina, and of Valencia, Spain. AbstractThe aim of this thesis was to identify mugilid stocks in the Southwestern Atlantic coast (25 • 30'S -40 • 32'S) and in the Mediterranean coast of the Valencia Community (38 • 08'N -40 • 38'N), and their connectivity using the morphology, morphometry and chemical composition of sagittae otoliths (complex carbonate structures located in the inner ear of the fish). Morphology of sagittal for 9 Mugilidae species was analyzed; thus, being able to differentiate them and generating an identification key for the species. Moreover, morphological patterns for family and genera were proposed.Given that otoliths vary along fish growth, ontogenetic patterns were identified for Mugil liza, Mugil cephalus and Liza ramada, describing, also, their biometric relations (standard fish length vs length-width of the otolith). In regard to the identification of fish stocks, by means of morphometrical indices (circularity, rectangularity, aspect ratio, percentage occupied by the sulcus, ellipticity and form factor) and otolith microchemistry (Sr/Ca and Ba/Ca ratios), different behavioral patterns related to habitat use of Mugil liza and Mugil cephalus we identified. For M. cephalus four behavioral patterns could be identified with differential use of marine, estuarine and freshwater environments; while for M. liza only three could be recognized. M. cephalus showed at least two fish stocks in the Valencian Mediterranean coast, whereas M. liza did not show michochemical differences that allowed recognizing more than one fish stock in the Southwestern Atlantic coast.In this context, otoliths turned out to be an important complementary tool to study the biology and ecology of mugilids, recognizing movements, habitat use and stock identification; allowing to generate proper management strategies for the species and the preferred used areas.Aplicació dels otòlits a l'estudi de la interconectividad d'estocs pesquers de mugílids de zones costaneres de la província de Buenos Aires, Argentina i de la costa Valenciana, Espanya. Resum L'objectiu d'aquesta tesi va ser determinar els estocs de mugílids presents en la costa Atlàntica sud-occidental (25 • 30'S -40 • 32'S) i en la costa Mediterrània de la Comunitat Valenciana (38 • 08'N -40 • 38'N) i la seua interconectividad, utilitzant la morfologia, morfometria i composició química dels otòlits sagitta (cossos policristal·lins compostos per carbonat de calci allotjats a l'oïda interna del peix). Es va analitzar la morfologia del sagita de 9 espècies de mugílids, la qual cosa va permetre diferenciar-los i generar una clau d'identificació específica. Així mateix, es van proposar patrons morfològics de l'otòlit a nivell de família i gènere. Atès que els otòlits varien durant el desenvolupament dels peixos, es van identificar patrons ontogenètics en relació amb el creixement del peix, per a Mugil liza, Mugil cephalus i Liza ramada, podent descriure's les re...

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Detection of Effects Caused by Very Low Levels of Contaminants in Riverine Sediments Through a Combination of Chemical Analysis, In Vitro Bioassays, and Farmed Fish as Sentinel

Quesada-García

Valdehíta

Olmo

et al. 2015

Arch Environ Contam Toxicol

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Aquatic organisms are often exposed to mixtures of low levels of pollutants whose presence and effects can pass easily unnoticed if only traditional monitoring strategies are employed. The main aim of this work was to assess the presence and effects of trace levels of pollutants in a scarcely affected area through the combination of chemical and biological approaches. Sediments were collected along a river with little anthropogenic pressure and assayed for cytochrome P450 (Cyp1a)-dependent ethoxyresorufin-O-deethylase (EROD) activity with the rainbow trout gonadal cell line RTG-2. Chemical analyses were performed in these sediments using two-dimensional gas chromatography-time-of-flight mass spectrometry. Sediment samples induced EROD activity, and chemical analyses evidenced the presence of a wide variety of contaminants in the range of nanograms per gram of dry weight. Correlation analysis between EROD induction and chemical analyses data showed an r value of 0.840 (p < 0.05). In addition, fish from a fish farm located downstream of the sampling points exhibited high hepatic EROD levels as well as an induced expression of cyp1a and cyp3a. In conclusion, only an appropriate combination of biological and chemical techniques allowed the detection of the presence of trace levels of contaminants in a theoretically nonaffected river.

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Alterations in Morphometric and Organosomatic Indices and Histopathological Analyses Indicative of Environmental Contamination in Mullet, Mugil liza, from Southeastern Brazil

Cited by 12 publications

References 15 publications

Histopathological alterations in Astyanax bifasciatus (Teleostei: Characidae) correlated with land uses of surroundings of streams

Histopathological alterations in Astyanax bifasciatus (Teleostei: Characidae) correlated with land uses of surroundings of streams

Aplicación de los otolitos en el estudio de la interconectividad de stocks pesqueros de mugílidos de zonas costeras de la provincia de Buenos Aires, Argentina y de la costa Valenciana, España.

Detection of Effects Caused by Very Low Levels of Contaminants in Riverine Sediments Through a Combination of Chemical Analysis, In Vitro Bioassays, and Farmed Fish as Sentinel

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