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Dominant Male Cichlids
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Description
A dominant male cichlid fish courts and breeds with females, and confronts other males – dominance is indicated by bright coloration and a dark eye bar

A subordinate male cichlid flees dominant males, does not court or breed, and has a drab coloration

Removal of a dominant male initiates cascade of changes in gene expression in a subordinate male that rapidly transforms its behavioral and physical phenotype to dominant
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