Dactyloscopus lacteus, the milky sand stargazer, is a species of sand stargazer endemic to the Galapagos Islands where it is the only species of Dactyloscopus known to occur there, and is a common fish in its region.Grove, J.S. and R.J. Lavenberg, 1997, The fishes of the Galápagos Islands. Stanford University Press, Stanford, 863 p. It can be found in tide pools and sandy shores at depths of from . It can grow to reach a maximum length of SL.

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