Cited by 85Cephalopods and Marine BiologyPhysiological and biochemical adaptationsEnvironmental Toxicology and Ecotoxicology

Developmental and physiological challenges of octopus (Octopus vulgaris) early life stages under ocean warming

Repolho, Tiago, Baptista, Miguel, Pimentel, Marta S., Dionísio, Gisela, Trübenbach, Katja, Lopes, Vanessa M., Lopes, Ana Rita, Calado, Ricardo +2 more·2014·Journal of Comparative Physiology B

Abstract

The ability to understand and predict the effects of ocean warming (under realistic scenarios) on marine biota is of paramount importance, especially at the most vulnerable early life stages. Here we investigated the impact of predicted environmental warming (+3 °C) on the development, metabolism, heat shock response and antioxidant defense mechanisms of the early stages of the common octopus, Octopus vulgaris. As expected, warming shortened embryonic developmental time by 13 days, from 38 days at 18 °C to 25 days at 21 °C. Concomitantly, survival decreased significantly (~29.9 %). Size at hatching varied inversely with temperature, and the percentage of smaller premature paralarvae increased drastically, from 0 % at 18 °C to 17.8 % at 21 °C. The metabolic costs of the transition from an encapsulated embryo to a free planktonic form increased significantly with warming, and HSP70 concentrations and glutathione S-transferase activity levels were significantly magnified from late embryonic to paralarval stages. Yet, despite the presence of effective antioxidant defense mechanisms, ocean warming led to an augmentation of malondialdehyde levels (an indicative of enhanced ROS action), a process considered to be one of the most frequent cellular injury mechanisms. Thus, the present study provides clues about how the magnitude and rate of ocean warming will challenge the buffering capacities of octopus embryos and hatchlings' physiology. The prediction and understanding of the biochemical and physiological responses to warmer temperatures (under realistic scenarios) is crucial for the management of highly commercial and ecologically important species, such as O. vulgaris.

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Crossref · 10.1007/s00360-013-0783-y

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  • Several experimental studies have shown potential deleterious effects of climate change for a wide array of cephalopod species, including octopuses, squid, and cuttlefishes.

    “On the other hand, several experimental studies have shown potential deleterious effects of climate change for a wide array of cephalopod species, including octopuses (Repolho et al., 2014; Rosa et al., 2019), squid (Rosa and Seibel, 2008; Rosa et al., 2012; Rosa et al., 2014), and cuttle fi shes (Rosa et al., 2013; Moura et al., 2019; Otjacques et al., 2020).”

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Authors
Repolho, T., Baptista, M., Pimentel, M. S., Dionísio, G., Trübenbach, K., Lopes, V. M., Lopes, A. R., Calado, R., Diniz, M., & Rosa, R.
Affiliations
  • University of Lisbon (PT)
  • Centro de Estudos do Ambiente e do Mar (PT)
  • Universidade Nova de Lisboa (PT)
Corresponding author
Rosa, Rui
Venue
Journal of Comparative Physiology B
Published
2013-10-08
Volume
184
Issue
1
Pages
55-64
ISSN
  • 0174-1578 (ISSN-L)
  • 1432-136X
OpenAlex
W2092364658
Cited by
85
References
66
Citations by year
2026: 5 · 2025: 9 · 2024: 12 · 2023: 4 · 2022: 7 · 2021: 6 · 2020: 8 · 2019: 11 · 2018: 5 · 2017: 6 · 2016: 4 · 2015: 7 · 2014: 1
FWCI
4.25
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Comparative Physiology B (publishedVersion)
  • PubMed (publishedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Cephalopods and Marine Biology
  • Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
Keywords
Octopus vulgaris, ocean warming, early life stages, embryonic development, paralarvae, heat shock proteins, HSP70, glutathione S-transferase, antioxidant defense, oxidative stress, malondialdehyde, metabolic cost, survival, planktotrophy
MeSH terms
Animals, Embryo, Nonmammalian, Glutathione Transferase, Malondialdehyde, Oceans and Seas, Oxygen, Lipid Peroxidation, HSP70 Heat-Shock Proteins, Embryonic Development, Octopodiformes, Global Warming

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