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Dutton J, Hobbs JC, Joung SJ, Schmidt JV. Mercury Concentrations in Whale Shark (Rhincodon typus) Embryo Muscle Tissue. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 111:23. [PMID: 37568035 DOI: 10.1007/s00128-023-03787-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023]
Abstract
Mercury (Hg) is known to be maternally transferred during embryonic development in sharks; however, Hg concentrations in embryos of filter feeding shark species have not previously been reported. This study measured the total Hg (THg) concentration in muscle tissue of 27 embryos taken from a pregnant whale shark (Rhincodon typus) landed in Taiwan in 1995 and the mean THg concentration compared to the mean muscle THg concentration in embryos from other shark species. The mean (± standard deviation) THg concentration in whale shark embryos was 0.0762 ± 0.0163 µg/g dry weight (0.0224 ± 0.0054 µg/g wet weight). There was no relationship between muscle THg concentration and body length and no significant difference in THg concentration between male and female embryos (p > 0.05). Whale shark embryos have the lowest reported muscle THg concentrations compared to literature values for muscle THg concentrations for embryos from other shark species.
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Affiliation(s)
- Jessica Dutton
- Department of Biology, Texas State University, Aquatic Station, San Marcos, TX, 78666, USA.
| | - Jessica C Hobbs
- Department of Biology, Texas State University, Aquatic Station, San Marcos, TX, 78666, USA
| | - Shoou-Jeng Joung
- Department of Environmental Biology and Fisheries Science, National Taiwan Ocean University, Keelung, 202, Taiwan
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Tiznado-Salazar VM, Bojórquez-Sánchez C, Zamora-García OG, Márquez-Farías JF, Páez-Osuna F, Bergés-Tiznado ME. Bioaccumulation of Essential and Potentially Toxic Elements in the Muscle and Liver of the Spotted Ratfish (Hydrolagus colliei) From Deep-Sea Waters off the Northern Gulf of California. Biol Trace Elem Res 2023; 201:2536-2545. [PMID: 35749046 DOI: 10.1007/s12011-022-03330-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 06/13/2022] [Indexed: 11/26/2022]
Abstract
This study aimed to establish the distribution of As, Cd, Cu, Pb, and Zn, in the muscle and liver of the spotted ratfish Hydrolagus colliei from the northern Gulf of California to establish the bioaccumulation background data in this species. The individuals (n = 110) were obtained by bycatch from the Gulf of California hake fisheries, and the metals and metalloid were measured by atomic absorption spectrometry. The element with the highest concentration in the muscle (15.19 ± 5.40 mg kg-1) and the liver (20.98 ± 10.30 mg kg-1) was As, followed by essential elements (Zn > Cu), and the lowest were the non-essential Pb (0.029 ± 0.014 and 0.048 ± 0.038 mg kg-1, muscle and liver, respectively) and Cd (0.022 ± 0.014 and 0.796 ± 0.495 mg kg-1, muscle and liver, respectively). The liver showed higher bioaccumulation than the muscle in all the studied elements. The sex was not a factor that influenced the bioaccumulation. The concentrations of As in the muscle did not exceed the maximum permissible limits of Mexican legislation, and < 50% of the samples exceed Cd and Pb limits of the Mexican, European Union, and WHO/FAO regulations. The differences found between the elements and tissues could be related to the different diets of the species, their migratory patterns, and their life conditions. Studies in the deep-sea water H. colliei are limited, and further investigations are needed regarding the feeding habits of H. colliei as well as the interactions of potentially toxic elements within the deep-sea water habitat.
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Affiliation(s)
- Víctor Manuel Tiznado-Salazar
- Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Unidad Académica Mazatlán, P.O. Box 811, 82000, Mazatlán, Sinaloa, México
| | - Carolina Bojórquez-Sánchez
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km. 3, Genaro Estrada, 82199, Mazatlán, Sinaloa, México
| | - Oscar Guillermo Zamora-García
- Servicios Integrales de Recursos Biológicos, Acuáticos y Ambientales, Genaro Estrada 406 Centro, 82000, Mazatlán, Sinaloa, México
| | - Juan Fernando Márquez-Farías
- Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen S/N Col. Centro, 82000, Mazatlán, Sinaloa, México
| | - Federico Páez-Osuna
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, P.O. Box 811, 82000, Mazatlán, Sinaloa, México
- El Colegio de Sinaloa, Antonio Rosales 435 Poniente, Culiacán, Sinaloa, México
| | - Magdalena Elizabeth Bergés-Tiznado
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km. 3, Genaro Estrada, 82199, Mazatlán, Sinaloa, México.
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Boldrocchi G, Monticelli D, Bettinetti R. To what extent are filter feeder elasmobranchs exposed to marine pollution? A systematic review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120881. [PMID: 36528198 DOI: 10.1016/j.envpol.2022.120881] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Filter feeding elasmobranchs may be considered as biological indicators of marine pollution, despite most of these species are under some degree of extinction risk. Among threats to this taxonomic group, marine pollution might represent an additional concern for their survival. In this review, a comprehensive systematic search of scientific literature on pollutants in filter feeding elasmobranchs was conducted to evaluate the bioaccumulation patterns, and risk for human consumers. We found that, despite an increasing trend in the number of published studies, the geographical coverage is still very limited and most of the studies focused solely on trace elements (70.8%). Among sharks, Rhincodon typus was the most represented species (66.7%), while Mobula mobular the most studied ray species (41.7%). Comparing the levels of pollutants in filter feeders between ocean basins, this review highlighted that Hg, As and Cd levels are mostly higher in those areas affected by both strong natural and anthropogenic source of emissions, such as the Indian Ocean. With regards to OCs, ΣPCB levels in muscle of C. maximus were between 4.3 and 50.5 μg kg-1 ww, highlighting a persistent contamination of PCB in the Mediterranean Sea. Some species exceeded the maximum allowable limits for foodstuff consumption for As, Cd and Pb. A total of 77.8% of the analyzed species exceeded the Environmental Quality Standards for Hg, while they were always below the EQSbiota for HCB, PBDEs, PFOS and DDT. Given their feeding mechanism that continuously samples the marine environment, further investigations are urgently needed to determine not only the extent of contaminant exposure in different hotspot locations but also the risks posed to the elasmobranch health.
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Affiliation(s)
- G Boldrocchi
- Department of Human Sciences, Innovation and Territory, University of Insubria, Via Valleggio 11, Como, Italy.
| | - D Monticelli
- Department of Science and High Technology, University of Insubria, Via Valleggio 11, Como, Italy
| | - R Bettinetti
- Department of Human Sciences, Innovation and Territory, University of Insubria, Via Valleggio 11, Como, Italy
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Pancaldi F, Páez-Osuna F, Soto-Jiménez MF, Whitehead DA, González-Armas R, Vázquez-Haikin A, Becerril-García EE, Galván-Magaña F. Concentrations of Silver, Chrome, Manganese and Nickel in Two Stranded Whale Sharks (Rhincodon typus) from the Gulf of California. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:827-832. [PMID: 33904943 DOI: 10.1007/s00128-021-03244-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/18/2021] [Indexed: 06/12/2023]
Abstract
Concentrations of Ag, Cr, Mn and Ni were measured in tissues of two whale sharks (Rhincodon typus) stranded in La Paz Bay (LAP) and Punta Bufeo (PB), Gulf of California, during 2017 and 2018. The concentration range of Ni (0.012-1.12 µg/g ww) and Cr (0.16-5.21) in the epidermis of both specimens was lower compared to the concentrations found in the epidermis of whale sharks from East Africa. The whale shark from LAP exhibited higher levels of Mn (4.45 µg/g ww), Ni (0.284 µg/g ww) and Cr (5.21 µg/g ww) in the muscle compared to another filter feeder shark, the megamouth, from Taiwan and from Brazil. The highest concentrations of Ag were found in the heart (3.70) of the individual from LAP and in the filtering pads (1.93) of the shark from PB. Chromium in all selected tissues and the Mn found in the skeletal muscle, testicles (0.50), liver (Right lobe, 1.28; Left lobe, 1.63) and gills (1.54) of both sharks exceeded the limit established by the FAO/WHO for fish products.
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Affiliation(s)
- Francesca Pancaldi
- Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, México
| | - Federico Páez-Osuna
- Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, 82040, Mazatlán, Sinaloa, México
- Miembro de El Colegio de Sinaloa, Antonio Rosales 435 Poniente, Culiacán, Sinaloa, México
| | - Martín Federico Soto-Jiménez
- Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, 82040, Mazatlán, Sinaloa, México
| | - Darren A Whitehead
- Pelagios Kakunjá A.C, Sinaloa 1540, Las Garzas, 23070, La Paz, BCS, México
| | - Rogelio González-Armas
- Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, México
| | - Abraham Vázquez-Haikin
- Asociación de Pesca Deportiva Y Ecoturismo de Bahía de Los Ángeles, Domicilio Conocido, 22980, Bahía de Los Ángeles, Baja California, México
| | - Edgar Eduardo Becerril-García
- Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, México
- Pelagios Kakunjá A.C, Sinaloa 1540, Las Garzas, 23070, La Paz, BCS, México
| | - Felipe Galván-Magaña
- Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, México.
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Pancaldi F, Páez-Osuna F, Marmolejo-Rodríguez AJ, Whitehead DA, González-Armas R, Soto-Jiménez MF, O'Hara T, Vazquéz-Haikin A, Galván-Magaña F. Variation of essential and non-essential trace elements in whale shark epidermis associated to two different feeding areas of the Gulf of California. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:36803-36816. [PMID: 33710489 DOI: 10.1007/s11356-021-13364-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/04/2021] [Indexed: 06/12/2023]
Abstract
The Gulf of California represents an important hotspot for whale shark (Rhincodon typus) aggregation. Anthropogenic activities and natural sources could expose sharks to high levels of trace elements (TEs). To determinate these levels in this endangered species, concentrations of As, Cd, Cu, Pb and Zn (in ng/g ww) were measured in 130 whale shark skin biopsies and 44 zooplankton samples collected from two areas of the Gulf of California, Bahía de Los Angeles (BLA) and Bahía de La Paz (LAP) during 2016-2018. For biopsies, Zn exhibited highest concentrations in BLA (2016-2017, 298 ± 406; 2017-2018, 1959 ± 2545) and at LAP (in 2016-2017, 595 ± 554; in 2017-2018, 2642 ± 1261). On the other hand, Cd (BLA 2016-2017, 3 ± 3; LAP 2016-2017, 4 ± 3; BLA 2017-2018, 17 ± 14; LAP 2017-2018, 13 ± 10) and Pb (BLA 2016-2017, 7 ± 7; LAP 2016-2017, 15 ± 32; BLA 2017-2018, 69 ± 76; LAP 2017-2018, 7 ± 5) showed lowest concentrations. Significant differences in TE concentrations between sites and periods occurred. Arsenic found in shark biopsies from La Paz suggested enrichment and/or increased bioavailability in this area. Sex alone was not a significant factor in TE concentration; nevertheless, a sex-dependent difference in correlation of TE concentration and size was noted (negative in males, positive in females). This indicates feeding strategies of whale shark may be sex and size segregated. During 2017-2018, zooplankton and sharks showed enrichment in all TEs. Essential elements were not biomagnified by sharks. Lead was biomagnified through zooplankton. Strong positive correlation between selected elements indicates that Zn, Cd and Pb follow the same metabolic route in the sharks' body.
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Affiliation(s)
- Francesca Pancaldi
- Instituto Politécnico Nacional. Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, Mexico
| | - Federico Páez-Osuna
- Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, 82040, Mazatlán, Sinaloa, Mexico
- Miembro de El Colegio de Sinaloa, Antonio Rosales 435 Poniente, Culiacán, Sinaloa, Mexico
| | | | | | - Rogelio González-Armas
- Instituto Politécnico Nacional. Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, Mexico
| | - Martin Federico Soto-Jiménez
- Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, 82040, Mazatlán, Sinaloa, Mexico
| | - Todd O'Hara
- Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Abraham Vazquéz-Haikin
- Asociación de pesca deportiva y ecoturismo de Bahía de Los Ángeles, Domicilio conocido, 22980, Bahía de Los Ángeles, Baja California, Mexico
| | - Felipe Galván-Magaña
- Instituto Politécnico Nacional. Centro Interdisciplinario de Ciencias Marinas, Av. IPN s/n, 23096, La Paz, BCS, Mexico.
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Ju YR, Chen CF, Chen CW, Wang MH, Joung SJ, Yu CJ, Liu KM, Tsai WP, Vanson Liu SY, Dong CD. Profile and consumption risk assessment of trace elements in megamouth sharks (Megachasma pelagios) captured from the Pacific Ocean to the east of Taiwan. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 269:116161. [PMID: 33302089 DOI: 10.1016/j.envpol.2020.116161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/16/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
Focusing on 27 rare filter-feeding megamouth sharks (Megachasma pelagios) captured as a by-catch of drift gillnet fishery in the Pacific Ocean to the east of Taiwan, this study analyzes the concentrations of 24 elements in their muscle, discusses the bioaccumulation of each element and the correlation between different elements, and assesses the potential health risks of consuming megamouth shark muscle. Among the 24 elements, mean concentrations of Ga, Ag, Li, Bi, Hg, Co, and Cd were relatively low ranging from 10-3 to 10-1 mg/kg, those of Pb, Ba, Mn, Ni, As, Cr, B, Sr, Cu, and Zn ranged from 10-1-101 mg/kg, and those of Fe, Ca, Al, K, Mg, Ti, and Na were relatively high ranging from 101 to 103 mg/kg. The toxic element content index was most significantly correlated with the concentration of Cu. Hence, this study recommends that the concentration of Cu could be used as an indicator of metal accumulation in megamouth shark muscle. The log bioconcentration factor (BCF) ranged from less than 0 to 7.85 in shark muscle. For elements with a concentration of less than 100 μg/L in seawater, the log BCF was inversely proportional to their concentration in seawater. According to the correlation analysis, the accumulation of elements in muscle of megamouth sharks is primarily affected by the concentrations of dissolved elements in seawater, except that the accumulation of Hg, As, Cu, Ti, Al, and Fe appears to be mainly affected by feeding behaviors. The assessment of the health risk of consuming megamouth shark muscle showed that its total hazard index was greater than 1. This suggests that the long-term or high-frequency consumption of megamouth shark muscle may cause health hazards due to the accumulation of trace elements, particularly those with a large contribution of health risk, including As, Hg, and Cu.
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Affiliation(s)
- Yun-Ru Ju
- Department of Safety, Health and Environmental Engineering, National United University, Miaoli, 36063, Taiwan
| | - Chih-Feng Chen
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Chiu-Wen Chen
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Ming-Huang Wang
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Shoou-Jeng Joung
- Department of Environmental Biology and Fisheries Science, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Chi-Ju Yu
- Department of Environmental Biology and Fisheries Science, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Kwang-Ming Liu
- Institute of Marine Affairs and Resource Management, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Wen-Pei Tsai
- Department of Fisheries Production and Management, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Shang Yin Vanson Liu
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung, 81157, Taiwan
| | - Cheng-Di Dong
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan.
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Petatán-Ramírez D, Whitehead DA, Guerrero-Izquierdo T, Ojeda-Ruiz MA, Becerril-García EE. Habitat suitability of Rhincodon typus in three localities of the Gulf of California: Environmental drivers of seasonal aggregations. JOURNAL OF FISH BIOLOGY 2020; 97:1177-1186. [PMID: 32794219 DOI: 10.1111/jfb.14496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/28/2020] [Accepted: 08/12/2020] [Indexed: 06/11/2023]
Abstract
The whale shark is an endangered species that usually feeds in coastal areas of highly productive seas such as the Gulf of California, Mexico. This study aims to describe the effect of sea surface temperature, chlorophyll a, bathymetry and slope on the habitat suitability of whale sharks in three important aggregation sites of the Gulf of California. A total of 2396 records of occurrence of whale sharks were obtained from international databases and scientific literature between 1996 and 2018. These records were used for the creation of a species distribution model using MaxEnt for each of the three aggregation sites. The concentration of chlorophyll a explained 71% of the habitat suitability, followed by bathymetry and slope with a combined 17%, and sea surface temperature constituting 10% of the model. Habitat suitability was related to areas where nontargeted fisheries may impact whale sharks through bycatch, entanglement and ship strikes. The implications for the conservation of whale sharks should be considered for management decisions in terms of marine protected areas, fishing refugees or bans, and other regulations regarding fisheries activities.
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Affiliation(s)
| | - Darren A Whitehead
- Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Mexico
- Pelagios Kakunjá A.C., La Paz, Mexico
| | | | | | - Edgar E Becerril-García
- Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Mexico
- Pelagios Kakunjá A.C., La Paz, Mexico
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Acosta-Lizárraga LG, Bergés-Tiznado ME, Bojórquez-Sánchez C, Osuna-Martínez CC, Páez-Osuna F. Bioaccumulation of mercury and selenium in tissues of the mesopelagic fish Pacific hake (Merluccius productus) from the northern Gulf of California and the risk assessment on human health. CHEMOSPHERE 2020; 255:126941. [PMID: 32388259 DOI: 10.1016/j.chemosphere.2020.126941] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
With the aim of evaluating health risk to hake consumers, mercury and selenium were measured in muscle, liver, gonads, kidney, and gills of 62 specimens of Merluccius productus from northern Gulf of California. Means ± confidence interval (95% confidence level) concentrations (mg kg-1 wet weight) of Hg in tissues were: gonads (1.01 ± 0.25) > muscle (0.44 ± 0.06) > gills (0.29 ± 0.04) > kidneys (0.20 ± 0.07) > liver (0.02 ± 0.004). No significant differences between sexes were found for Hg. The distribution of mean concentrations of Se (mg kg-1 wet weight) were: kidneys (4.61 ± 1.27) > liver (1.66 ± 0.22) > gonads (1.66 ± 0.75) > gills (0.86 ± 0.04) > muscle (0.40 ± 0.09). Se in gonads showed a significant difference between sex (females > males). Positive significant correlations with total length (p < 0.05) and total weight (p < 0.05) were found in the same tissue for both morphological variables: Hg in muscle, Se in muscle and Se in liver. An excess of Se over Hg (molar ratio Se:Hg > 1) was found in all tissues. The Hazard Quotient health risk index was evaluated for humans that consume muscle and gonads. The recommended Hg safe intake for adults and children were 110.0 and 33.0 g week-1, respectively for muscle; for gonads weekly consumption portions of 35.0 and 14.0 g for adults and children represent no Hg risk. There was no risk of exposure to Se.
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Affiliation(s)
- L Gilary Acosta-Lizárraga
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km 3, 82199, Mazatlán, Sinaloa, Mexico.
| | - Magdalena E Bergés-Tiznado
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km 3, 82199, Mazatlán, Sinaloa, Mexico.
| | - Carolina Bojórquez-Sánchez
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km 3, 82199, Mazatlán, Sinaloa, Mexico.
| | - C Cristina Osuna-Martínez
- Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen S/N Centro, 82000, Mazatlán, Sinaloa, Mexico.
| | - Federico Páez-Osuna
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, P.O. Box 811, 82000, Mazatlán, Sinaloa, Mexico; Miembro de El Colegio de Sinaloa, Antonio Rosales 435 Pte, Culiacán, Sinaloa, Mexico.
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