For more information on this species please see Planet Catfish.
A lot of people have been asking about them and referring to them as L056, these are not L056 as L056 are Pseudancistrus sp. These Gold Chubbys are Parancistrus aurantiacus which are the ones the change colors not the L056. Auranticus means golden. These Chubbys do not have an L number as they are a described species starting about 15-18 years ago.