Effects of ocean acidification and warming on physiological and behavioural responses of an herbivore snail to waterborne predator cues

Snail consumption rate increased under warmer temperatures while predator cues decreased it.

• Ocean warming positively influenced the oxygen uptake of snails, but only at normal pCO levels.
• Higher pCO levels diminished the benefits of warmer temperatures on oxygen uptake.
• Biomass of snails decreased under ocean warming, ocean acidification, and predator cues, without interaction effects.
• Self-righting times of snails were slower when exposed to predator cues in warmer conditions.
• Ocean acidification and warming did not affect the hunting behaviors or claw strength of the predatory crab.

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