1) The back swimmer gracefully glided through the water.

2) Be careful not to mistake a back swimmer for a water boatman.

3) The back swimmer has specialized adaptations for its underwater lifestyle.

4) Back swimmers are known for their distinctive upside-down swimming position.

5) A common predatory strategy of a back swimmer is to ambush its prey from below.

6) Back swimmers are part of the family Notonectidae.

7) Back swimmers use their powerful hind legs to propel themselves through the water.

8) Back swimmers can be found in ponds, lakes, and slow-moving streams.

9) If threatened, a back swimmer can quickly dart away by flicking its legs.

10) Back swimmers are known for their ability to quickly change direction while swimming.