ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2013
Hypoxia impairs visual acuity in snapper (Pagrus auratus).
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 18 citations in OpenAlex.
- Effects of hypoxia on the olfactory sensitivity of gilt-head seabream (Sparus aurata).The Journal of experimental biology · 2025Article
- Oxygen loss compromises growth and cognition of cuttlefish newborns.Proceedings. Biological sciences · 2024Article
- Environmental forcing alters fisheries selection.Trends in ecology & evolution · 2024Review
- Seeing in the swamp: hydrogen sulfide inhibits eye metabolism and visual acuity in a sulfide-tolerant fish.Biology letters · 2021Article
- Hypoxia alters vulnerability to capture and the potential for trait-based selection in a scaled-down trawl fishery.Conservation physiology · 2019Article
- The effect of climate change on the escape kinematics and performance of fishes: implications for future predator-prey interactions.Conservation physiology · 2019Article
- Physiological and ecological implications of ocean deoxygenation for vision in marine organisms.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2017Review
- Effects of multiple stressors on the behavior of fish in the presence and absence of a predator.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We investigated the effect of environmental hypoxia on vision in snapper (Pagrus auratus). Juvenile snapper inhabit estuarine environments where oxygen conditions fluctuate on a seasonal basis. Optomotor experiments demonstrated that visual acuity is impaired by environmental hypoxia, but not until levels approach the critical oxygen tension (P crit) of this species (around 25% air-saturated seawater). In 100, 80, and 60% air-saturated seawater, a positive optomotor response was present at a minimum separable angle (M SA) of 1°. In 40% air-saturated seawater, vision was partially impaired with positive responses at M SAs of 2° and above. However, in 25% air-saturated seawater, visual acuity was seriously impaired, with positive responses only present at M SAs of 6° and above. Snapper were found to possess a choroid rete, facilitating the maintenance of high ocular oxygen partial pressures (PO2) during normoxia and moderate hypoxia (PO2, between 269 and 290 mmHg). However, at 40 and 25% water oxygen saturation, ocular PO2 was reduced to below 175 mmHg, which is perhaps linked to impairment of visual acuity in these conditions. The ability to preserve visual function during moderate hypoxia is beneficial for the maintenance of a visual lifestyle in the fluctuating oxygen environments of estuaries.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.