ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2016
Respiratory plasticity is insufficient to alleviate blood acid-base disturbances after acclimation to ocean acidification in the estuarine red drum, Sciaenops ocellatus.
Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 89 citations in OpenAlex.
- Effects of Simulated Ocean Acidification on the Activity, Escape Response, and Muscle Physiology of Marine Threespine Stickleback (Gasterosteus aculeatus).Journal of experimental zoology. Part A, Ecological and integrative physiology · 2025Article
- Arctic Ocean annual high inNature · 2022Article
- Immunological characterization of two types of ionocytes in the inner ear epithelium of Pacific Chub Mackerel (Scomber japonicus).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2020Article
- ElevatedMarine ecology progress series · 2020Article
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- A methodological evaluation of the determination of critical oxygen threshold in an estuarine teleost.Biology open · 2019Article
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- Phenotypic Switching Resulting From Developmental Plasticity: Fixed or Reversible?Frontiers in physiology · 2019Review
- Aerobic capacities and swimming performance of polar cod (The Journal of experimental biology · 2018Article
- Physiological implications of ocean acidification for marine fish: emerging patterns and new insights.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2018Review
- Acclimation to prolonged hypoxia alters hemoglobin isoform expression and increases hemoglobin oxygen affinity and aerobic performance in a marine fish.Scientific reports · 2017Article
- Lessons from two high COGlobal change biology · 2017Article
- Spatial patterns of Anchoveta (Proceedings. Biological sciences · 2017Article
- Carbon dioxide induced plasticity of branchial acid-base pathways in an estuarine teleost.Scientific reports · 2017Article
- Intestinal Na+, K+, 2Cl- cotransporter 2 plays a crucial role in hyperosmotic transitions of a euryhaline teleost.Physiological reports · 2016Article
- Elevated COScientific reports · 2016Article
- Altered brain ion gradients following compensation for elevated CO2 are linked to behavioural alterations in a coral reef fish.Scientific reports · 2016Article
- Hyperventilation and blood acid-base balance in hypercapnia exposed red drum (Sciaenops ocellatus).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2016Article
- Effect of elevated carbon dioxide on shoal familiarity and metabolism in a coral reef fish.Conservation physiology · 2016Article
- Are global warming and ocean acidification conspiring against marine ectotherms? A meta-analysis of the respiratory effects of elevated temperature, high CO2 and their interaction.Conservation physiology · 2016Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The changes in ocean chemistry stemming from anthropogenic CO2 release--termed ocean acidification (OA)--are predicted to have wide-ranging effects on fish and ultimately threaten global populations. The ability of fish to adapt to environmental change is currently unknown, but phenotypic plasticity has been highlighted as a crucial factor in determining species resilience. Here we show that red drum, a long-lived estuarine-dependent fish species native to the Gulf of Mexico, exhibit respiratory plasticity that increases CO2 excretion capacity when acclimated to OA conditions. Specifically, fish exposed to 14 days of 1000 µatm CO2 had a 32% reduction in branchial diffusion distance and increased expression of two putative CO2 channel proteins--rhag and rhcg1. No changes were observed in the erythrocyte CO2 transport pathways. Surprisingly, no significant changes in blood chemistry were observed between acclimated and acutely challenged animals; however, a non-significant 30 % drop in the magnitude of plasma C(CO2) elevation was observed. Reduced diffusion distance also comes with the cost of increased diffusive water loss, which would require greater osmoregulatory investment by the animal. OA exposure induced increased gill Na(+), K(+) ATPase activity and intestinal nkcc2 expression, supporting both the presumed osmotic stress and increased osmoregulatory investment. However, no differences in standard metabolic rate, maximum metabolic rate or aerobic scope were detected between control and OA acclimated individuals. Similarly, no differences in critical swim speed were detected between groups, suggesting the energetic cost related to respiratory plasticity is negligible against background metabolism. The current study demonstrated that red drum exhibit respiratory plasticity with only mild physiological trade-offs; however, this plasticity is insufficient to fully offset the OA-induced acid-base disturbance and as such is unlikely to impact species resilience.
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