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A RUDDER AND OARS |
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This fish looks like an arrow, and swims as fast as an arrow in flight. Its fins are both a rudder and oars, and sometimes a brake as well. As soon as it wants to stop, it fans them out and stops dead; its brakes are working. |
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They often save its life. If it is being chased by a predator, it will dart into the weeds and stop dead there, hide, while the force of inertia carries the predator past. It swims past, and by the time it has slowed up it has no idea where the Lyretail has got to. Now you see it, now you don't. And so it sets off in pursuit of another. |
