  The $\Lambda(1405)$ baryon is difficult to detect in experiment, absent in
many quark model calculations, and supposedly manifested through a two-pole
structure. Its uncommon properties made it subject to numerous experimental and
theoretical studies in recent years. Lattice-QCD eigenvalues for different
quark masses were recently reported by the Adelaide group. We compare these
eigenvalues to predictions of a model based on Unitary Chiral Perturbation
Theory. The UCHPT calculation predicts the quark mass dependence remarkably
well. It also explains the overlap pattern with different meson-baryon
components, mainly $\pi\Sigma$ and $\bar KN$, at different quark masses. More
accurate lattice QCD data are required to draw definite conclusions on the
nature of the $\Lambda(1405)$.
