Sexual selection: sperm in the fast lane.

Pizzari T

Sperm competition has led to spectacular adaptations in males and their ejaculates. A recent study of Tanganykan cichlids provides compelling evidence that sperm competition can drive the evolution of faster, longer sperm.

Keywords:

Animals

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Biological Evolution

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Cichlids

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Female

,

Fertilization

,

Male

,

Sexual Behavior, Animal

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Sperm Motility

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Spermatozoa