Purpose The Ebro Basin is one of the most industrialised regions of the Iberian Peninsula, yet its long-term legacy of metal contamination remains poorly constrained due to the scarcity of continuous sedimentary archives in semi-arid environments. This study reconstructs the history of mercury (Hg) and lead (Pb) pollution in the Ebro Basin using Lake Chiprana, the only permanent hypersaline lake providing a continuous, high-re...

A 10-week feeding experiment was conducted to evaluate the effects of replacing fishmeal with cricket meal on the productive performance and transcriptional responses of genes related to nutrient metabolism and growth of blue tilapia (Oreochromis aureus). Five conventional tilapia feeds were formulated to replace fishmeal with cricket meal. Control diet (CD) was formulated with 20% fishmeal, and four diets gradually replaced f...

The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford et al. (2006; J Fish Biol 68 : 332–372), highlighting the growing role of cognitive an...

Aquaculture has been established as a sustainable alternative to traditional fisheries, which face challenges such as overexploitation and environmental degradation. However, disease outbreaks, often caused by poor farming conditions, pollution, and environmental stress, remain a major concern, leading to economic losses and increasing the risk of antibiotic resistance due to the overuse of antibiotics. Therefore, it is crucia...