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Vicentini M, Pessatti JBK, Perussolo MC, Lirola JR, Marcondes FR, Nascimento N, Mela M, Cestari MM, Prodocimo V, Simmons D, Silva de Assis HC. Different response of females and males Neotropical catfish (Rhamdia quelen) upon short-term temperature increase. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024; 50:477-494. [PMID: 38112904 DOI: 10.1007/s10695-023-01278-2] [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: 05/31/2023] [Accepted: 11/24/2023] [Indexed: 12/21/2023]
Abstract
Climate change has been one of the most discussed topics in the world. Global warming is characterized by an increase in global temperature, also in aquatic environments. The increased temperature can affect aquatic organisms with lethal and sublethal effects. Thus, it is necessary to understand how different species respond to temperature. This study aimed to evaluate how the Neotropical catfish species Rhamdia quelen responds to temperature increases. The fish were exposed to temperatures of 25 °C (control) and 30 °C after gradual temperature increase for 7 days. After 96 h in each temperature, the fish were anesthetized, blood was collected, and after euthanasia, brain, liver, posterior kidney, gills, muscle, and gonads were collected. The gonads were used for sexing, while other tissues were used for the hematological, biochemical, genotoxic, and histopathological biomarkers analysis. Hepatic proteomic analysis with a focus on energy production was also carried out. Blood parameter changes in both sexes, including an increase in glucose in males, leukopenia in females, and genotoxicity in both sexes. Hepatic proteins related to energy production were altered in both sexes, but mainly in males. Others biomarker alterations, such as histopathological, were not observed in other tissues; however, the antioxidant system was affected differently between sexes. These showed that R. quelen juveniles, at temperatures higher than its optimum temperature such as 30 °C, has several sublethal changes, such as hematological alterations, antioxidant system activation, and energetic metabolism alteration, especially in males. Thus, short-term temperature rise can affect females and males of R. quelen differently.
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Affiliation(s)
- Maiara Vicentini
- Ecology and Conservation Post-Graduation Program, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
- Pharmacology Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
| | | | - Maiara Carolina Perussolo
- Pharmacology Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
- Pelé Pequeno Príncipe Research Institute, Curitiba, PR, 80250-200, Brazil
| | - Juliana Roratto Lirola
- Genetics Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
| | | | - Natalia Nascimento
- Physiology Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
| | - Maritana Mela
- Cell Biology Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
| | - Marta Margarete Cestari
- Genetics Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
| | - Viviane Prodocimo
- Physiology Department, Federal University of Paraná, PO Box 19031, Curitiba, PR, 81530-980, Brazil
| | - Denina Simmons
- Faculty of Science, OntarioTech University, Oshawa, ON, L1G 0C5, Canada
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Moffett ER, Fryxell DC, Lee F, Palkovacs EP, Simon KS. Consumer trait responses track change in resource supply along replicated thermal gradients. Proc Biol Sci 2021; 288:20212144. [PMID: 34847762 PMCID: PMC8634111 DOI: 10.1098/rspb.2021.2144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/04/2021] [Indexed: 12/03/2022] Open
Abstract
Rising temperatures may alter consumer diets through increased metabolic demand and altered resource availability. However, current theories assessing dietary shifts with warming do not account for a change in resource availability. It is unknown whether consumers will increase consumption rates or consume different resources to meet increased energy requirements and whether the dietary change will lead to associated variation in morphology and nutrient utilization. Here, we used populations of Gambusia affinis across parallel thermal gradients in New Zealand (NZ) and California (CA) to understand the influence of temperature on diets, morphology and stoichiometric phenotypes. Our results show that with increasing temperature in NZ, mosquitofish consumed more plant material, whereas in CA mosquitofish shifted towards increased consumption of invertebrate prey. In both regions, populations with plant-based diets had fuller guts, longer relative gut lengths, better-orientated mouths and reduced body elemental %C and N/P. Together, our results show multiple pathways by which consumers may alter their feeding patterns with rising temperatures, and they suggest that warming-induced changes to resource availability may be the principal determinant of which pathway is taken.
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Affiliation(s)
- E. R. Moffett
- School of Environment, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - D. C. Fryxell
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA
| | - F. Lee
- School of Environment, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - E. P. Palkovacs
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA
| | - K. S. Simon
- School of Environment, The University of Auckland, Private Bag 92019, Auckland, New Zealand
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Pacheco JP, Aznarez C, Meerhoff M, Liu Y, Li W, Baattrup-Pedersen A, Yu C, Jeppesen E. Small-sized omnivorous fish induce stronger effects on food webs than warming and eutrophication in experimental shallow lakes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 797:148998. [PMID: 34346382 DOI: 10.1016/j.scitotenv.2021.148998] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 07/02/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Warming, eutrophication, and increased omnivory by small-sized fish are global change processes that induce major effects on the food web structure and primary producers of shallow lakes. Despite the key relevance of phytoplankton and periphyton in freshwaters, the combined and potential synergistic effects of fish omnivory, warming and eutrophication, especially on periphyton, remains little addressed, particularly for subtropical shallow lakes. We experimentally tested the food web effects on phytoplankton and periphyton induced by small visually feeding omnivorous fish (Rhodeus ocellatus), high nutrient enrichment and warming (+4.5 °C) in thirty-two 1000 L-mesocosms simulating littoral conditions of subtropical shallow lakes. We aimed at analysing the mechanisms and responses of periphyton and phytoplankton to these experimental factors. All mesocosms included the submerged macrophytes Vallisneria denseserrulata and Potamogeton lucens and artificial plants at 50% plant volume inhabited, plankton and macroinvertebrates. Small-sized visually feeding omnivorous fish enhanced phytoplankton dominance and periphyton loss. These changes coincided with a decrease in zooplankton biomass and a diversity loss of both zooplankton and macroinvertebrates as well as an increase in snail abundance. Fish presence led to a collapse of cladocerans, thereby releasing the grazing pressure on phytoplankton, and predator and collector macroinvertebrates were replaced with small snails (Radix peregra < 0.5 cm) resulting in enhanced grazing on periphyton. Eutrophication reinforced the fish effects, while warming had weak or no effects. Our results indicate that omnivory by small-sized visually feeding fish may induce stronger effects on the food webs of shallow lakes, towards phytoplankton-dominated states, than the combined effect of nutrient enrichment and warming under the present experimental conditions.
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Affiliation(s)
- Juan Pablo Pacheco
- Department of Bioscience, Aarhus University, Silkeborg 8600, Denmark; Sino-Danish Centre for Education and Research (SDC), Beijing 100049, China; University of Chinese Academy of Sciences, Beijing 100049, China; CURE - University of the Republic, Maldonado 20000, Uruguay.
| | - Celina Aznarez
- Basque Centre for Climate Change (BC3), Leioa 48940, Spain
| | - Mariana Meerhoff
- Department of Bioscience, Aarhus University, Silkeborg 8600, Denmark; CURE - University of the Republic, Maldonado 20000, Uruguay
| | - Yang Liu
- University of Chinese Academy of Sciences, Beijing 100049, China; Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
| | - Wei Li
- University of Chinese Academy of Sciences, Beijing 100049, China; Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
| | | | - Cao Yu
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China.
| | - Erik Jeppesen
- Department of Bioscience, Aarhus University, Silkeborg 8600, Denmark; Sino-Danish Centre for Education and Research (SDC), Beijing 100049, China; Limnology Laboratory, Department of Biological Sciences and Centre for Ecosystem Research and Implementation, Middle East Technical University, Ankara, Turkey; Institute of Marine Sciences, Middle East Technical University, Mersin, Turkey
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5
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Incorporating indirect pathways in body size-trophic position relationships. Oecologia 2020; 194:177-191. [PMID: 32940775 DOI: 10.1007/s00442-020-04752-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 09/08/2020] [Indexed: 10/23/2022]
Abstract
Body size, trophic position (TP), and trophic niche width are important elements of food webs; however, there is still debate regarding their interrelationships. Most studies have tested these correlations using datasets restricted to carnivores and bivariate models that disregard potential indirect effects of other factors, their interactions, and phylogeny. We analyzed relationships among TP, consumer size, maximum food item size, food item size variation (a proxy for trophic niche width), and two other traits (gut length and mouth width) using confirmatory path analysis of an extensive dataset for freshwater fishes that encompass both carnivorous and non-carnivorous species. Consumer size was associated with maximum food size, food size variation, mouth width, and gut length, all of which mediated indirect relationships between body size and TP. Mouth gape was associated with maximum food size, and consumers that fed on larger food items had higher TP. Consumers with relatively long guts generally fed on small and homogeneous food items near the base of the food web. Models were consistent whether or not accounting for phylogeny, but varied according to trophic guilds. However, the body size of both carnivorous and non-carnivorous was not directly associated with TP. Therefore, the incorporation of functional traits and their intermediate pathways is critical for understanding size-based trophic relationships of animals that encompass diverse feeding strategies. Our results caution approaches that rely on body size as a surrogate for TP, especially in systems where plants and detritus are consumed directly by a significant number of animals, such as in most freshwater ecosystems.
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Schiettekatte NMD, Barneche DR, Villéger S, Allgeier JE, Burkepile DE, Brandl SJ, Casey JM, Mercière A, Munsterman KS, Morat F, Parravicini V. Nutrient limitation, bioenergetics and stoichiometry: A new model to predict elemental fluxes mediated by fishes. Funct Ecol 2020. [DOI: 10.1111/1365-2435.13618] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Nina M. D. Schiettekatte
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan Perpignan France
- Laboratoire d'Excellence “CORAIL” Perpignan France
| | - Diego R. Barneche
- Australian Institute of Marine Science Crawley WA Australia
- Oceans InstituteThe University of Western Australia Crawley WA Australia
- College of Life and Environmental Sciences University of Exeter Penryn UK
| | | | - Jacob E. Allgeier
- Department of Ecology and Evolutionary Biology University of Michigan Ann Arbor MI USA
| | - Deron E. Burkepile
- Department of Ecology, Evolution, and Marine Biology University of California Santa Barbara CA USA
- Marine Science Institute University of California Santa Barbara CA USA
| | - Simon J. Brandl
- Department of Biological Sciences Simon Fraser University Burnaby BC Canada
| | - Jordan M. Casey
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan Perpignan France
- Laboratoire d'Excellence “CORAIL” Perpignan France
| | - Alexandre Mercière
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan Perpignan France
- Laboratoire d'Excellence “CORAIL” Perpignan France
| | - Katrina S. Munsterman
- Department of Ecology and Evolutionary Biology University of Michigan Ann Arbor MI USA
| | - Fabien Morat
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan Perpignan France
- Laboratoire d'Excellence “CORAIL” Perpignan France
| | - Valeriano Parravicini
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan Perpignan France
- Laboratoire d'Excellence “CORAIL” Perpignan France
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Moody EK, Lujan NK, Roach KA, Winemiller KO. Threshold elemental ratios and the temperature dependence of herbivory in fishes. Funct Ecol 2019. [DOI: 10.1111/1365-2435.13301] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Eric K. Moody
- Department of Ecology, Evolution, and Organismal Biology Iowa State University Ames Iowa
| | - Nathan K. Lujan
- Department of Biological Sciences University of Toronto Scarborough Toronto Ontario Canada
| | - Katherine A. Roach
- Department of Wildlife and Fisheries Sciences Program of Ecology and Evolutionary Biology Texas A&M University College Station Texas
| | - Kirk O. Winemiller
- Department of Wildlife and Fisheries Sciences Program of Ecology and Evolutionary Biology Texas A&M University College Station Texas
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