it can be used to track the health of a group of fish as a function of size (for example, one might see a jump in condition index when a fish is big enough to eat larger prey). "the people from within: art from baker lake." they avoid being eaten by blending in with surrounding rocks and are often known as pebble plants or living stones. but nothing ever was said of him. he has one last chance to give a good life for his wife and himself. 