In Chinese and Japanese legend the lowly carp spends its life trying to swim up the Yellow River. At the source of the river is a great roaring waterfall. If the koi were able to swim up that waterfall, it would be rewarded and transformed into a dragon. Thus, the koi is a symbol of personal advancement, perseverance, determination.
The Tree of Life, also called Jacob's Ladder. This is a Kabbalistic image but interestingly, the spheres in the tree overlay the flower of life 'sacred' geometric form and therefore represents a Primal Pattern of Nature. More