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The Polyrhachis xiphias species-group of the subgenus Campomyrma Wheeler is reviewed. Descriptions of the previously-undescribed… Expand This study evaluated the concentrations of mercury in fillets (anterior, middle, and end regions) from the swordfish, Xiphias… Expand Although a number of recent studies of marine holoplankton have reported significant genetic structure among populations, little… Expand The region between 10° N and 10° S latitude was known to be congenial for distribution of Pleuromamma species. Diel and… Expand Resumen es: Se analizo la relacion entre los niveles de abundancia relativa de pez espada (Xiphias gladius) frente a la costa de… Expand Keywords. Ant-treehopper association, honeydew, host-plant mediation, host-plant quality, Membracidae, mutualism, phloem sugar… Expand SUMMARY Indices of abundance of swordfish (Xiphias gladius) from the Greek long-line fisheries carried out in the eastern… Expand Abstract We studied the association between the honeydew-producing membracid Guayaquila xiphias and its tending ants in the… Expand Abstract A rapid and powerful escape response decreases predation risk in planktonic copepods. Calanoid copepods are sensitive to… Expand 1. White chromatophores appear on the egg-bearing segments of female prawns and shrimps at sexual maturity. 2. Such… Expand