  In this work, in the context of modified gravity, a curved spacetime
analogous to the "canonical acoustic black hole" is constructed. The source is
a self-interacting scalar field which is non-minimally coupled to gravity
through the Gauss-Bonnet invariant. The scalar-Gauss-Bonnet coupling function
is characterized by three positive parameters: $\sigma$ with units of
$(length)$, $\mu$ with units of $(length)^{4}$, and a dimensionless parameter
$s$, thus defining a three-parameter model for which the line element of
canonical acoustic black hole is a solution. The spacetime is equipped with
spherical and static symmetry and has a single horizon determined in
Schwarzschild coordinates by the region $r=\mu^{1/4}$. The solution admits a
photon sphere at $r=(3\mu)^{1/4}$, and it is shown that in the region
$(3\mu)^{1/4}\leq r<\infty$ the scalar field satisfies the null, weak, and
strong energy conditions. Nonetheless, the model with $s=1$ has major physical
relevance since for this case the scalar field is well defined in the entire
region $r\geq\mu^{1/4}$, while for $s\neq1$ the scalar field blows up on the
horizon.
