Sera Sturgeon Pellets 650g 1000ml Sera Sturgeon Pellets is a staple food for smaller Sturgeons and Sterlets. This is a high-quality, carefully prepared diet, containing 2.7mm pellets for feeding sturgeons up to approx 40 cm in length. This is suitable for feeding throughout the year. Sera Sturgeon Pellets are available in 650g packs.