  In this work we will study the low-energy collective behavior of spatially
anisotropic dense fluids in four spacetime dimensions. We will embed a massless
flavor D7-brane probe in a generic geometry which has a metric possessing
anisotropy in the spatial components. We work out generic formulas of the
low-energy excitation spectra and two-point functions for charged excitations
at finite baryon chemical potential. In addition, we specialize to a certain
Lifshitz geometry and discuss in great detail the scaling behavior of several
different quantities.
