The bladderwort, reputed common on these marshes, seems to have become much scarcer than it was twenty years back.
One of the most curious enemies of our freshwater fishes is a small floating water-weed, the bladderwort.
Built on a very different model is the bladderwort, busy in stagnant ponds near the sea coast from Nova Scotia to Texas.
The general idea of the bladderwort is exactly that of the eel-pots so common in some parts of the Thames.
As in the case of its cousinry a-land, the bladderwort at its leisure dines upon its prey.