1
|
Lima ARA, Booms EM, Lopes AR, Martins-Cardoso S, Novais SC, Lemos MFL, Ribeiro L, Castanho S, Candeias-Mendes A, Pousão-Ferreira P, Faria AM. Early life stage mechanisms of an active fish species to cope with ocean warming and hypoxia as interacting stressors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122989. [PMID: 37984477 DOI: 10.1016/j.envpol.2023.122989] [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: 08/22/2023] [Revised: 11/01/2023] [Accepted: 11/16/2023] [Indexed: 11/22/2023]
Abstract
Ocean's characteristics are rapidly changing, modifying environmental suitability for early life stages of fish. We assessed whether the chronic effects of warming (24 °C) and hypoxia (<2-2.5 mg L-1) will be amplified by the combination of these stressors on mortality, growth, behaviour, metabolism and oxidative stress of early stages of the white seabream Diplodus sargus. Combined warming and hypoxia synergistically increased larval mortality by >51%. Warming induced faster growth in length and slower gains in weight when compared to other treatments. Boldness and exploration were not directly affected, but swimming activity increased under all test treatments. Under the combination of warming and hypoxia, routine metabolic rate (RMR) significantly decreases when compared to other treatments and shows a negative thermal dependence. Superoxide dismutase and catalase activities increased under warming and were maintained similar to control levels under hypoxia or under combined stressors. Under hypoxia, the enzymatic activities were not enough to prevent oxidative damages as lipid peroxidation and DNA damage increased above control levels. Hypoxia reduced electron transport system activity (cellular respiration) and isocitrate dehydrogenase activity (aerobic metabolism) below control levels. However, lactate dehydrogenase activity (anaerobic metabolism) did not differ among treatments. A Redundancy Analysis showed that ∼99% of the variability in mortality, growth, behaviour and RMR among treatments can be explained by molecular responses. Mortality and growth are highly influenced by oxidative stress and energy metabolism, exhibiting a positive relationship with reactive oxygen species and a negative relationship with aerobic metabolism, regardless of treatment. Under hypoxic condition, RMR, boldness and swimming activity have a positive relationship with anaerobic metabolism regardless of temperature. Thus, seabreams may use anaerobic reliance to counterbalance the effects of the stressors on RMR, activity and growth. The outcomes suggests that early life stages of white seabream overcame the single and combined effects of hypoxia and warming.
Collapse
Affiliation(s)
- André R A Lima
- MARE-Marine and Environmental Sciences Centre, ARNET-Aquatic Research Infrastructure Network Associate Laboratory, ISPA-Instituto Universitário, Rua Jardim Do Tabaco 34, 1149-041, Lisbon, Portugal.
| | - Emily M Booms
- IMBRSea-The International Master of Science in Marine Biological Resources, Universities Consortium, Ghent University, Krijgslaan, Ghent, Belgium
| | - Ana Rita Lopes
- MARE-Marine and Environmental Sciences Centre, ARNET-Aquatic Research Infrastructure Network Associate Laboratory, Faculty of Sciences, University of Lisbon, Campo Grande, 1749-016, Lisbon, Portugal; Department of Animal Biology, Faculty of Sciences, University of Lisbon, Campo Grande, 1749-013, Lisboa, Portugal
| | - Sara Martins-Cardoso
- MARE-Marine and Environmental Sciences Centre, ARNET-Aquatic Research Infrastructure Network Associate Laboratory, ISPA-Instituto Universitário, Rua Jardim Do Tabaco 34, 1149-041, Lisbon, Portugal
| | - Sara C Novais
- MARE - Marine and Environmental Sciences Centre, ARNET-Aquatic Research Infrastructure Network Associate Laboratory, ESTM, Polytechnic of Leiria, Peniche, Portugal
| | - Marco F L Lemos
- MARE - Marine and Environmental Sciences Centre, ARNET-Aquatic Research Infrastructure Network Associate Laboratory, ESTM, Polytechnic of Leiria, Peniche, Portugal
| | - Laura Ribeiro
- Portuguese Institute for the Sea and Atmosphere - IPMA, Aquaculture Research Station - EPPO, Olhão, Portugal
| | - Sara Castanho
- Portuguese Institute for the Sea and Atmosphere - IPMA, Aquaculture Research Station - EPPO, Olhão, Portugal
| | - Ana Candeias-Mendes
- Portuguese Institute for the Sea and Atmosphere - IPMA, Aquaculture Research Station - EPPO, Olhão, Portugal
| | - Pedro Pousão-Ferreira
- Portuguese Institute for the Sea and Atmosphere - IPMA, Aquaculture Research Station - EPPO, Olhão, Portugal
| | - Ana M Faria
- MARE-Marine and Environmental Sciences Centre, ARNET-Aquatic Research Infrastructure Network Associate Laboratory, ISPA-Instituto Universitário, Rua Jardim Do Tabaco 34, 1149-041, Lisbon, Portugal
| |
Collapse
|
2
|
Graça Aranha S, Teodósio A, Baptista V, Erzini K, Dias E. A glimpse into the trophic ecology of deep-water sharks in an important crustacean fishing ground. JOURNAL OF FISH BIOLOGY 2023; 102:655-668. [PMID: 36625079 DOI: 10.1111/jfb.15306] [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: 03/21/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Deep-water sharks are among the most vulnerable deep-water taxa because of their extremely conservative life-history strategies (i.e., late maturation, slow growth, and reproductive rates), yet little is known about their biology and ecology. Thus, this study aimed at investigating the trophic ecology of five deep-water shark species, the birdbeak dogfish (Deania calcea), the arrowhead (D. profundorum), the smooth lanternshark (Etmopterus pusillus), the blackmouth catshark (Galeus melastomus) and the knifetooth dogfish (Scymnodon ringens) sampled onboard a crustacean bottom-trawler off the south-west coast of Portugal. We combined carbon and nitrogen stable isotopes with RNA and DNA (RD) ratios to investigate the main groups of prey assimilated by these species and their nutritional condition, respectively. Stable isotopes revealed overall small interspecific variability in the contribution of different taxonomic groups to sharks' tissues, as well as in the origin of their prey. S. ringens presented higher δ15 N and δ13 C values than the other species, suggesting reliance on bathyal cephalopods, crustaceans and teleosts; the remaining species likely assimilated bathy-mesopelagic prey. The RD ratios indicated that most of the individuals had an overall adequate nutritional condition and had recently eaten. This information, combined with the fact that stable isotopes indicate that sharks assimilated prey from the local or nearby food webs (including commercially important shrimps), suggests a potential overlap between this fishing area and their foraging grounds, which requires further attention.
Collapse
Affiliation(s)
- Sofia Graça Aranha
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Faro, Portugal
| | - Alexandra Teodósio
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Faro, Portugal
| | - Vânia Baptista
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Faro, Portugal
| | - Karim Erzini
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Faro, Portugal
| | - Ester Dias
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
| |
Collapse
|
3
|
Richardson EL, White CR, Marshall DJ. A comparative analysis testing Werner's theory of complex life cycles. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Emily L. Richardson
- Centre for Geometric Biology/School of Biological Sciences Monash University Melbourne Victoria Australia
| | - Craig R. White
- Centre for Geometric Biology/School of Biological Sciences Monash University Melbourne Victoria Australia
| | - Dustin J. Marshall
- Centre for Geometric Biology/School of Biological Sciences Monash University Melbourne Victoria Australia
| |
Collapse
|
4
|
Müller C, Erzini K, Teodósio MA, Pousão-Ferreira P, Baptista V, Ekau W. Assessing microplastic uptake and impact on omnivorous juvenile white seabream Diplodus sargus (Linnaeus, 1758) under laboratory conditions. MARINE POLLUTION BULLETIN 2020; 157:111162. [PMID: 32658660 DOI: 10.1016/j.marpolbul.2020.111162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/07/2020] [Accepted: 04/07/2020] [Indexed: 06/11/2023]
Abstract
Previous laboratory feeding experiments, representing the state-of-the-art methodology to investigate microplastic (MP) ingestion and its impact for fish, tend to disregard both the significance of applying realistic MP densities and the potential relevance of biofilm-coating for ingestion probability. This experiment assessed the uptake of either pristine or biofilm-coated MP particles and the physiological impacts for juvenile white seabream for MP concentrations consistent with those found in the field along with natural prey over a course of 3.5 weeks. Results indicate the ability of juvenile D. sargus to discriminate between edible and non-edible prey. A distinct preference for biofilm-coated over pristine particles could not be verified. No significant impact on growth and condition was found except for high levels of MP ingestion. The outcomes highlight the importance of performing MP feeding experiments mimicking natural conditions to reliably assess the impact of MP on early life stages of fish.
Collapse
Affiliation(s)
- Carolin Müller
- Leibniz Centre for Tropical Marine Research (ZMT), Fahrenheitstraße 6, 28359 Bremen, Germany.
| | - Karim Erzini
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Maria Alexandra Teodósio
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Pedro Pousão-Ferreira
- Estação Piloto de Piscicultura de Olhão (EPPO), Instituto Português do Mar e da Atmosfera (IPMA), Olhão, Portugal
| | - Vânia Baptista
- Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Werner Ekau
- Leibniz Centre for Tropical Marine Research (ZMT), Fahrenheitstraße 6, 28359 Bremen, Germany
| |
Collapse
|
5
|
Baptista V, Costa EFS, Carere C, Morais P, Cruz J, Cerveira I, Castanho S, Ribeiro L, Pousão-Ferreira P, Leitão F, Teodósio MA. Does consistent individual variability in pelagic fish larval behaviour affect recruitment in nursery habitats? Behav Ecol Sociobiol 2020. [DOI: 10.1007/s00265-020-02841-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|