No one who has lived by clear waters can have failed to see something of their wonderful life: minnows on the shoals; dragging their cumbersome porta… - Ann Haven Morgan

Among the s and the water weeds of the shallows, lurk es, s, mud minnows, and young . All of these forage upon snails, crustaceans, and insect larvæ, especially the tempting mayfly nymphs which they find there. s float with their heads just out of water; of all frogs these belong most thoroughly in the pond. Equally at home in it are the painted turtles, and the spotted turtles often found with them … In May and June stumps and floating logs usually carry a load of one kind or the other. They forage in the shallows taking a heavy toll of tadpoles, snails, dragonflies—a miscellaneous bill-of-fare which they always eat under water. Snapping turtles frequent these waters also, catching anything within reach of the lightning-quick thrusts of their heads—fishes, tadpoles, frogs, or crayfishes, as well as the smaller game of insects and worms.

... s feed upon microorganism from the muck and water of the bottom and in turn are consumed by es, s and mankind.

… Wherever animals live, in fresh water, salt water, or on land, their body fluids are similar; all are salty. In marine invertebrates, whether es or s, the body fluids are practically filtered sea water.