Browsing NTNU Open by Author "Clark, Timothy"
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Exposure to elevated carbon dioxide does not impair short‐term swimming behaviour or shelter‐seeking in a predatory coral‐reef fish
Raby, Graham; Sundin, Josefin; Jutfelt, Fredrik; Cooke, Steven J.; Clark, Timothy (Journal article; Peer reviewed, 2018)Adult bluespotted rockcod Cephalopholis cyanostigma, a coral‐reef grouper, were acclimated to either ambient (mean ± s.d. 406 ± 21 μatm; 1 atmos = 101325 Pa) or high pCO2 (945 ± 116 μatm) conditions in a laboratory for 8–9 ... -
Long-term exposure to elevated carbon dioxide does not alter activity levels of a coral reef fish in response to predator chemical cues
Sundin, Josefin; Amcoff, Mirjam; Matteos-Gonzales, Fernando; Raby, Graham; Jutfelt, Fredrik; Clark, Timothy (Journal article; Peer reviewed, 2017)Levels of dissolved carbon dioxide (CO2) projected to occur in the world’s oceans in the near future have been reported to increase swimming activity and impair predator recognition in coral reef fishes. These behavioral ... -
Physiological constraints to climate warming in fish follow principles of plastic floors and concrete ceilings
Sandblom, Erik; Clark, Timothy; Gräns, Albin; Ekström, Andreas; Brijs, Jeroen; Sundström, Fredrik; Odelström, Anne; Adill, Anders; Teija, Aho; Jutfelt, Fredrik (Journal article; Peer reviewed, 2016-05-17)Understanding the resilience of aquatic ectothermic animals to climate warming has been hindered by the absence of experimental systems experiencing warming across relevant timescales (for example, decades). Here, we ... -
Swim for it: Effects of simulated fisheries capture on the post-release behaviour of four Great Barrier Reef fishes
Raby, Graham; Messmer, Vanessa; Tobin, Andrew; Hoey, Andrew; Jutfelt, Fredrik; Sundin, Josefin; Cooke, Steven J.; Clark, Timothy (Journal article; Peer reviewed, 2018)After being caught and released by a fishery, some animals may be sufficiently impaired so as to be vulnerable to predators. The duration and severity of post-release impairments have rarely been studied under natural ... -
Two-current choice flumes for testing avoidance and preference in aquatic animals
Jutfelt, Fredrik Walter Jonas; Sundin, Josefin; Raby, Graham; Krång, Anna Sara; Clark, Timothy (Journal article; Peer reviewed, 2016)1. Aquatic chemical ecology is an important and growing field of research that involves understanding how organisms perceive and respond to chemical cues in their environment. Research assessing the preference or avoidance ...