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3.
What kind of guppy would you expect to see in a pool that only contains rivulus as predators? Explain your answer.


Sagot :

Large spots and bright colors are a pattern among the prey of Rivulus.

In an experiment containing various pools of fish in which guppies of distinct characteristics are placed, we can see trends as to the predators attracted by specific characteristics. The characteristics taken into consideration are:

  • Coloration
  • Spotting
  • Size of spots

Though Rivulus are known to feed on insects and rarely consume guppies, the experiment would show that the characteristics of guppies that most attract the Rivulus as predators are the presence of guppies with bright coloration and large spots.

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