Article: Different forms and adaptation of fish

Many fish have unusual shapes and bizarre, to say nothing of the diversity of habits. The shapes of the body have evolved and changed over time to adapt to different environments and different lifestyles, so that a fish moved from their natural environment to another may be completely unsuitable to all the new environmental conditions. For example, the Fish Disk (Symphysodon sp.) Has the discoidal, very laterally compressed, an ideal form for this species lives in dense reeds on the banks of the Amazon. But now imagine to carry it into the waters of a river rapid course: would immediately be dragged and thrown around by the current because the water pressure would act on the large body surface area. One way to avoid being at the mercy of the currents is to flatten out on the watery bed on the bottom of rivers or seas. And 'This is the method adopted by some "fish dishes. Fish dishes are born fusiform, but then rest on the bottom and the eye should remain supported moves slowly side by side which is already free on the side, but also the mouth moves all on the same side emerging from the sand. many variations can be inserted both as regards the shape of the body that the habits of life.