4.Small freshwater fish with a barb on his face (which is in the phylum subphylum and as human, but in a different class). In the breeding season. Male fish will nest on the ground or in the river fish and swim up above.And swimming around the female fish in the zigzag Facing the female first, then turn the other way. The fish swim by female male fish which male fish will swim to the nest, which is prepared.From the experiment, the fish, which is made of wood which is disguised wife stomach bloated the eggs in full. To attract males to swim to the same. The fish was the other details even blue eyes live, it doesn't matter.And act swimming zigzag around his wife. It will make the fish swim by females as well. When it comes to the nest, male fish will swim is vertical. Poke into the page beneath which points to the location of the nest.When the nest of male fish noses rubbed on the belly of the fish, the female, which is the female will lay eggs, fish When spawning fish will swim away over the female. Male fish will release semen mixed with eggs in the nest.A communication signal, but is based on instinct, not learning
.From the experiment and study of the above scholars, it was found that the behavior of animals is likely to be grandpa nature inherited through genetics for use in communication which is not the same as human beings.Therefore, we can conclude that the system complicated language human that is characteristic of human beings!
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