Are your jellyfish shrinking, getting thin and flattening out??? Here are 5 reasons why that might be….. 1. Feeding Non-nutritious food One of the most common problems when keeping jellyfish is keeping them properly fed. Without a consistent supply of nutritious food, they will become weak and thin. Malnutrition causes listlessness and infrequent belling or… Continue reading 5 Things That Can Cause Your Jellyfish to Shrink