One main purpose of this presentation is to assess the contribution of consumer panel surveys to the economics of markets and consumption of aquaculture products. The first part tackles the methodological aspects of this kind of survey, which aims at measuring the main trends of home consumption based on the monitoring of household purchases, and to analyse the different factors that may impact on the structure and changes of food habits (distribution outlets, purchasing variables, regional and socio-demographic criteria). In the second part, the main results provided by the British, French, Italian and Spanish consumer panel surveys are reported and analysed. This exercise highlights the harmonisation issues raised by a European comparative study, which are both related to the processing and presentation style of the raw data, and to the segmentation approach and level of detail of the product itemisation in each survey.