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Redlip Blenny Video Stock Footage
Adult redlip blennies can reach two to four inches in length. They are chocolate brown in appearance with some yellow markings, and possess blunt heads featuring four branching horns, and large reddish lips. A variation on the species is a paler form, having a shell-white body and reddish brown head. The female mate choice primarily relies on a male's genetic quality or its non-genetic quality. A male is recognized to have good genes, if it has physical features that are suitable for survival. Usually, big body size indicates good genetic quality. Mating with a male of good genetic quality assures that the offspring will also have good genes and thus the physical features favorable for survival. This eventually will propagate the female's own genes. The non-genetic quality includes many examples, such as good parental care. Good parental care does not guarantee good genes for the offspring. However, good parental care can increase the survival rate of the offspring, thereby spreading the female's genes.
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