Polymeric material for aquaculture, production method and uses thereof

An extruded biodegradable material for aquaculture comprising:

• 80 to 99% (w/w) of at least one biodegradable polymer having an average molecular mass from 5000 to 250000 g/mol;
• 1 to 20% (w/w) of at least one functional additive;
• wherein the at least one functional additive is selected from a list consisting of crude algae extracts, humic substances, dry biomasses of algae, dry biomass of cinnamon bark, inanimate microbial biomasses, and functional organic substances, bacteriophages, or combinations thereof;
• and
• wherein the material is a mesh or a sheet.