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Freshwater colonization drives divergent reproductive strategies in shrimps of the genus Palaemon (Decapoda: Palaemonidae)NARA Subscribed
Freshwater colonization is associated with profound shifts in the reproductive traits of invertebrates, and these phenomena are still rarely investigated in an integrated framework across closely related species. In this study, we examined three species of shrimps of the genus Palaemon , each occupying distinct habitat types, to identify how the transition to freshwater habitats shapes reproductive investment strategies. For e...
Sexual dimorphism includes external morphological differences between sexes. In caridean shrimps, the established characteristics for sexing individuals are the presence or absence of an appendix masculina in males and the position of the male/female gonopores. Shrimps of the genus Synalpheus are an exception because males lack appendices masculinae on the second pleopods. Synalpheus males can be distinguished from females by...
The analysis of 879 ROV dives carried out along the Italian coasts on hard substrata at mesophotic and upper bathyal depths (40-775 m) allowed us to evaluate the current basin-scale presence, relative abundance, bathymetric limits, and habitat preferences of one of the most charismatic Mediterranean habitat-former anthozoan species, Corallium rubrum (Linnaeus, 1758). The species is widespread, and its occurrence ranged from 13...