Mode of sexual selection determined by resource abundance in two sand goby populations

• We used field observations and experiments to show that sexual selection in two populations of sand gobies, Pomatoschistus minutus (Pisces, Gobiidae), was affected by differences in resource availability. Male sand gobies rely on empty mussel shells for n

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Gobiidae; nest site; Pomatoschistus minutus; population differences; resource abundance; sexual selection; MINUTUS PALLAS PISCES; POMATOSCHISTUS-MINUTUS; FEMALE CHOICE; REPRODUCTIVE SUCCESS; MATING SUCCESS; BODY-SIZE; COMPETITION; BEHAVIOR; EVOLUTION; PRE

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