ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2012
Should I stay or should I go?: Physiological, metabolic and biochemical consequences of voluntary emersion upon aquatic hypoxia in the scaleless fish Galaxias maculatus.
Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 37 citations in OpenAlex.
- Transcriptomic Adjustment to Decreasing Oxygen Reveals Novel Functional Strategies for Extreme Hypoxia Tolerance in the Copepod Tigriopus californicus.Genome biology and evolution · 2026Article
- Gulf toadfish (Opsanus beta) gill neuroepithelial cells in response to hypoxia exposure.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2024Article
- Cardiac Transcriptomics Reveals That MAPK Pathway Plays an Important Role in Hypoxia Tolerance in Bighead Carp (Animals : an open access journal from MDPI · 2020Article
- Sublethal exposure to copper supresses the ability to acclimate to hypoxia in a model fish species.Aquatic toxicology (Amsterdam, Netherlands) · 2019Article
- Phenotypic flexibility in respiratory traits is associated with improved aerial respiration in an amphibious fish out of water.The Journal of experimental biology · 2019Article
- Characterization and functional analysis of hypoxia-inducible factor HIF1α and its inhibitor HIF1αn in tilapia.PloS one · 2017Article
- Effects of Acute Hypoxia and Reoxygenation on Physiological and Immune Responses and Redox Balance of Wuchang Bream (Frontiers in physiology · 2017Article
- Article
- Impact of extreme oxygen consumption by pollutants on macroinvertebrate assemblages in plain rivers of the Ziya River Basin, north China.Environmental science and pollution research international · 2016Article
- A new analysis of hypoxia tolerance in fishes using a database of critical oxygen level (P crit).Conservation physiology · 2016Article
- Isolation Driven Divergence in Osmoregulation in Galaxias maculatus (Jenyns, 1848) (Actinopterygii: Osmeriformes).PloS one · 2016Article
- Evidence for Adaptation to the Tibetan Plateau Inferred from Tibetan Loach Transcriptomes.Genome biology and evolution · 2015Article
- Physiological responses to acute experimental hypoxia in the air-breathing Indian catfish, Clarias batrachus (Linnaeus, 1758).Journal of biosciences · 2013Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hypoxia represents a significant challenge to most fish, forcing the development of behavioural, physiological and biochemical adaptations to survive. It has been previously shown that inanga (Galaxias maculatus) display a complex behavioural repertoire to escape aquatic hypoxia, finishing with the fish voluntarily emerging from the water and aerially respiring. In the present study we evaluated the physiological, metabolic and biochemical consequences of both aquatic hypoxia and emersion in inanga. Inanga successfully tolerated up to 6 h of aquatic hypoxia or emersion. Initially, this involved enhancing blood oxygen-carrying capacity, followed by the induction of anaerobic metabolism. Only minor changes were noted between emersed fish and those maintained in aquatic hypoxia, with the latter group displaying a higher mean cell haemoglobin content and a reduced haematocrit after 6 h. Calculations suggest that inanga exposed to both aquatic hypoxia and air reduced oxygen uptake and also increased anaerobic contribution to meet energy demands, but the extent of these changes was small compared with hypoxia-tolerant fish species. Overall, these findings add to previous studies suggesting that inanga are relatively poorly adapted to survive aquatic hypoxia.
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