@article{fdi:010079140, title = {{R}esponses of a coral reef shark acutely exposed to ocean acidification conditions}, author = {{R}ummer, {J}. {L}. and {B}ouyoucos, {I}. {A}. and {M}ourier, {J}ohann and {N}akamura, {N}. and {P}lanes, {S}.}, editor = {}, language = {{ENG}}, abstract = {{A}nthropogenic ocean acidification ({OA}) is a threat to coral reef fishes, but few studies have investigated responses of high-trophic-level predators, including sharks. {W}e tested the effects of 72-hr exposure to {OA}-relevant elevated partial pressures of carbon dioxide (p{CO}(2)) on oxygen uptake rates, acid-base status, and haematology of newborn tropical blacktip reef sharks ({C}archarhinus melanopterus). {A}cute exposure to end-of-centuryp{CO}(2)levels resulted in elevated haematocrit (i.e. stress or compensation of oxygen uptake rates) and blood lactate concentrations (i.e. prolonged recovery) in the newborns. {C}onversely, whole blood and mean corpuscular haemoglobin concentrations, blood p{H}, estimates of standard and maximum metabolic rates, and aerobic scope remained unaffected. {T}aken together, newborn blacktip reef sharks appear physiologically robust to end-of-centuryp{CO}(2)levels, but less so than other, previously investigated, tropical carpet sharks. {O}ur results suggest peak fluctuatingp{CO}(2)levels in coral reef lagoons could still physiologically affect newborn reef sharks, but studies assessing the effects of long-term exposure and in combination with other anthropogenic stressors are needed.}, keywords = {{A}cid-base ; {B}lacktip reef shark ; {H}aematology ; {C}limate change ; {O}xygen ; uptake rates ; {P}hysiology ; {POLYNESIE} {FRANCAISE} ; {MOOREA}}, booktitle = {}, journal = {{C}oral {R}eefs}, volume = {39}, numero = {5}, pages = {1215--1220}, ISSN = {0722-4028}, year = {2020}, DOI = {10.1007/s00338-020-01972-0}, URL = {https://www.documentation.ird.fr/hor/fdi:010079140}, }