Imagine a fish so desperate to survive that it takes flight above the waves, using the open air as its last line of defense.

Many species have enlarged pelvic fins as well and are known as four-winged flying fish. The process of taking flight, or gliding, begins by gaining great velocity underwater, about 37 miles per hour.

As a result of my spell in cable ships in the Indian Ocean I had no doubt as to the manner of “flight” of flying-fish, and, though directly antagonistic ideas seem prevalent to-day ...