Sexual Dimorphism in the Stone Cockscomb Alectrias alectrolophus (Pallas, 1814) (Pisces: Stichaeidae)
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Sexual dimorphism in the stone cockscomb Alectrias alectrolophus was studied for the first time. No pronounced differences were found in plastic characters between the females and males of this species; however, there were differences in the structure of the urogenital papilla that allow reliable sex determination.
Keywordsstone cockscomb Alectrias alectrolophus sexual dimorphism
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