So what is it that makes Tahitian bonefish grow so large? Usually, shrimps and small crabs are their stable diet, but in Tahiti sand worms abound. In fact their numbers are so incredible that you can discover two to three of them with every handful of sand scooped up (right). Unfortunately these worms are unable to propel themselves so when using an imitation it is best presented static. The problem then is being able to determine when a bonefish has accepted your fly, harder done than said on the vast sandy flats in Tahiti…