Long-term exposure to elevated carbon dioxide does not alter activity levels of a coral reef fish in response to predator chemical cues.

ABSTRACT:

Abstract

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 alterations would be expected to have dramatic effects on survival and community dynamics in marine ecosystems in the future. To investigate the universality and replicability of these observations, we used juvenile spiny chromis damselfish (Acanthochromis polyacanthus) to examine the effects of long-term CO₂ exposure on routine activity and the behavioral response to the chemical cues of a predator (Cephalopholis urodeta). Commencing at ~3-20 days post-hatch, juvenile damselfish were exposed to present-day CO₂

SUBMITTER: Sundin J 

PROVIDER: S-EPMC5498585 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature