Abstract

Abstract Extreme water temperatures related to global climate change represent a significant challenge in terms of fish welfare and aquaculture productivity. Understanding the effect of more frequent and extended extreme temperature events on physiological responses, growth performance and other production-relevant parameters of major aquaculture species are essential for developing suitable mitigation methods and assuring future production. Fish were exposed to 8 °C, 16 °C, 24 °C and 32 °C to evaluate the extreme ambient temperatures effect on growth performance, physiological, biochemical and molecular responses of juvenile European seabass, Dicentrarchus labrax. Fish exposed to 8 °C and 32 °C for 30 days exhibited significantly lower final weight, weight gain, specific growth rate, survival rate, and temperature growth coefficient (p

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