![]() ![]() ![]() Biol J Linn Soc 96:415–424īauer RT (2000) Simultaneous hermaphroditism in caridean shrimps: a unique and puzzling sexual system in the Decapoda. Behav Ecol Sociobiol 55:544–550īaeza JA, Schubart CD, Zillner P, Fuentes S, Bauer RT (2009) Molecular phylogeny of shrimps from the genus Lysmata (Caridea: Hippolytidae): the evolutionary origins of protandric simultaneous hermaphroditism and social monogamy. Smithson Contrib Mar Sci 38:95–110īaeza JA, Bauer RT (2004) Experimental test of socially mediated sex change in a protandric simultaneous hermaphrodite, the marine shrimp Lysmata wurdemanni (Caridea:Hippolytidae). ![]() amboinensis.īaeza JA (2009) Protandric simultaneous hermaphroditism is a conserved trait in Lysmata (Caridea: Lysmatidae): implication for the evolution of hermaphroditism in the genus. Sexual dimorphism in the number of aesthetascs was present in L. The total number of ORNs is related to the sensitivity of olfactory odor detection, and it was higher in group-living species than in pair-living species. Aesthetascs are innervated by olfactory receptor neurons (ORNs). Generally, the number of aesthetascs was greater in group-living species ( L. This study examined the relationship between social environment and the number of aesthetascs in six species of caridean shrimp in the genus Lysmata. The number of aesthetascs varies greatly among species in different environments, but the functional significance of this variation is poorly understood. Aesthetascs are the olfactory receptor organs responsible for mate recognition in many decapod crustacean species. ![]()
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